The best budget jump starter should be affordable without sacrificing dependable starting power, clamp safety, portability, and enough capacity for the vehicle you actually drive. For most drivers, a compact lithium jump pack is much easier to keep in the trunk than traditional jumper cables.
My primary recommendation is the NOCO Boost Plus GB40 1000A Jump Starter. It combines a huge owner base, compact construction, reverse-polarity protection, spark-resistant operation, USB power-bank functionality, and enough starting capability for many common cars, SUVs, and light trucks.
For a less expensive high-output alternative, I like the NEXPOW G17 2000A Peak Jump Starter. Its 2000A peak rating, 18,000mAh battery, multiple safety protections, USB charging, and support for larger gas and diesel engines make it particularly appealing for buyers trying to maximize specifications per dollar.
The AstroAI S8 1500A Car Battery Jump Starter is my favorite ultra-budget option. It is exceptionally compact, supports up to 6.0L gas and 3.0L diesel engines, includes smart boost functionality, and typically costs substantially less than premium jump packs.
Best Budget Jump Starter
| Image | Product Name | Check Price |
|---|---|---|
Best Choice | NOCO Boost Plus GB40 1000A Jump Starter – Best Overall | Check Price |
Second Best | NEXPOW G17 2000A Peak Jump Starter | Check Price |
Third Choice | AstroAI S8 1500A Car Battery Jump Starter | Check Price |
 | DBPOWER 1600A Portable Jump Starter | Check Price |
 | GOOLOO GP2000 2000A Jump Starter | Check Price |
1. NOCO Boost Plus GB40 1000A Jump Starter – Best Overall
The NOCO Boost Plus GB40 is my first choice because it combines proven popularity, straightforward safety features, compact size, and dependable everyday capability.
Key Features
- 1000A peak output
- 12V lithium jump starter
- Up to 6.0L gas engines
- Up to 3.0L diesel engines
- Reverse-polarity protection
- Spark-resistant connection system
- USB power-bank function
- Built-in LED flashlight
The GB40 is not the highest-amperage jump pack in this list, but peak current alone does not determine real-world quality. Clamp design, battery-cell quality, electronics, state of charge, temperature, and the condition of the vehicle battery all influence starting performance.
NOCO’s strongest advantage is its UltraSafe connection system. Incorrect polarity is one of the biggest concerns for inexperienced users, and the built-in protection helps reduce the risk associated with accidentally connecting the clamps incorrectly.
Its compact housing also makes sense for emergency storage. You can keep it in a trunk, cargo compartment, or roadside emergency bag without dedicating the space required by a large lead-acid jump box.
Another useful feature is the manual override mode for extremely low-voltage batteries. Some intelligent jump packs cannot detect a battery once its voltage falls too low. The GB40 provides an override function for these situations, although it should only be used after understanding the instructions because some automatic protections are bypassed.
The 1000A rating may look modest beside inexpensive products advertising 3000A, 4000A, or more. I would not let that number alone discourage you. Peak-current specifications are not always measured identically across manufacturers.
What I Like
- Extremely strong owner history
- Compact and easy to store
- Excellent safety features
- Simple connection process
- Useful USB charging
- Built-in emergency light
- Good fit for typical passenger vehicles
What I Do Not Like
- Usually costs more than entry-level generic jump packs.
- 3.0L diesel rating is lower than several competitors.
- Clamp cables are relatively short.
- Manual override requires additional care.
Verdict: The NOCO GB40 is my best overall budget jump starter because it prioritizes reliability and user-friendly safety rather than simply advertising the biggest peak-amperage number.
2. NEXPOW G17 2000A Peak Jump Starter – Best for Bigger Engines
The NEXPOW G17 is particularly attractive when you want more stated engine capacity without moving into an expensive premium jump starter.
Key Features
- 2000A peak output
- 18,000mAh capacity
- Up to 7.0L gas engines
- Up to 6.5L diesel engines
- Multiple built-in safety protections
- USB Quick Charge support
- Type-C connection
- LED emergency light
The G17 provides a significant step up in claimed engine compatibility compared with many compact entry-level jump packs.
Its advertised support for up to 7.0L gasoline and 6.5L diesel engines makes it suitable on paper for a broader range of trucks and SUVs than the NOCO GB40.
The 18,000mAh internal battery also allows the unit to work as a portable power bank. That can be useful during road trips, storms, camping, or roadside emergencies when your phone needs power.
NEXPOW equips the unit with intelligent clamps incorporating protections against problems such as reverse connections, excessive current, overload, overvoltage, and other electrical faults.
I also like that it comes with a storage case. A jump starter is most useful when its clamps and charging cable remain together instead of being scattered around the trunk.
Remember that the G17 is still an inexpensive lithium jump pack. If you own a very large diesel truck that regularly struggles in extreme cold, I would prefer a more substantial jump starter designed specifically for heavy-duty use.
What I Like
- Strong 2000A peak specification
- High engine-size rating
- 18,000mAh battery
- Multiple safety protections
- Power-bank capability
- Useful emergency lighting
- Carrying case included
What I Do Not Like
- Larger than the smallest compact jump packs.
- Peak-amp numbers should not be compared across brands in isolation.
- Requires periodic charging during storage.
- More capacity than many small-car owners actually need.
Verdict: Choose the NEXPOW G17 if you want a budget-friendly jump pack with higher stated engine capacity for SUVs, pickups, and larger-displacement vehicles.
3. AstroAI S8 1500A Car Battery Jump Starter – Best Cheap Pick
The AstroAI S8 stands out when the goal is to spend as little as practical while still buying a highly popular compact jump starter.
Key Features
- 1500A peak output
- 10,000mAh battery
- Up to 6.0L gas engines
- Up to 3.0L diesel engines
- Smart boost mode
- Eight integrated protections
- Three-mode LED flashlight
- USB power-bank functionality
The S8 is remarkably compact. At around one pound, it is easy to fit into a glove compartment, emergency bag, small trunk organizer, or motorcycle luggage.
Its 1500A peak output is paired with support for many everyday 12V vehicles, including cars, motorcycles, SUVs, pickups, and lawn equipment.
One useful feature is its smart boost system. When the connected battery voltage is extremely low, the unit can provide a boost function intended to help start a deeply discharged battery.
The smart clamp system incorporates multiple protections, including safeguards related to reverse polarity, overcurrent, overload, overvoltage, overcharging, excessive discharge, and short circuits.
The S8 also works as a small power bank and includes flashlight, strobe, and SOS modes. Those features are not substitutes for a dedicated emergency kit, but they are useful additions.
Its biggest attraction remains value. For someone who owns a typical sedan, crossover, or small SUV and wants an emergency jump starter without paying close to premium-model pricing, the S8 makes a lot of sense.
What I Like
- Excellent affordability
- Very compact
- Lightweight
- 1500A peak rating
- Smart boost functionality
- Multiple electrical protections
- LED emergency modes
- Useful for ordinary passenger vehicles
What I Do Not Like
- 10,000mAh capacity is smaller than some competitors.
- Not my first choice for large diesel trucks.
- Compact clamps may be less convenient on some large battery terminals.
- Long-term emergency storage still requires periodic charging.
Verdict: The AstroAI S8 is my favorite truly cheap jump starter for drivers who mainly need emergency protection for a standard passenger car, crossover, or small SUV.
4. DBPOWER 1600A 18000mAh Portable Jump Starter – Best with LCD Display
The DBPOWER 1600A model combines an affordable price point with a larger internal battery and a convenient LCD charge indicator.
Key Features
- 1600A peak output
- 18,000mAh battery
- Up to 7.2L gas engines
- Up to 5.5L diesel engines
- LCD battery display
- Intelligent safety clamps
- USB charging capability
- Built-in LED emergency light
One frustration with inexpensive jump packs is determining how much battery capacity remains after months in storage.
DBPOWER addresses that problem with a digital LCD display showing the remaining charge. That is more informative than a simple row of four indicator lights.
The 18,000mAh battery also gives the unit useful power-bank capacity for phones and other compatible electronics.
DBPOWER rates this version for engines up to approximately 7.2L gasoline and 5.5L diesel, which places it well above what most compact cars require.
Its intelligent clamps provide protection against common electrical mistakes and unsafe conditions. As with every portable jump starter, however, you should still confirm polarity before attaching the clamps.
The unit’s built-in light adds flashlight and emergency signaling functionality, while the included storage case helps keep the jump pack and accessories together.
This model is larger than ultra-compact options such as the AstroAI S8, but the additional capacity and LCD display may justify that extra size.
What I Like
- 18,000mAh capacity
- Digital charge display
- Strong stated engine compatibility
- Smart safety clamps
- Power-bank capability
- Emergency lighting
- Storage-friendly design
What I Do Not Like
- Bulkier than the AstroAI S8.
- Older design compared with some USB-C-focused competitors.
- Claimed peak current should not be the only buying criterion.
- Needs routine charging when stored for long periods.
Verdict: The DBPOWER 1600A is a useful budget option if you prefer a numerical battery display and a larger-capacity power bank.
5. GOOLOO GP2000 2000A Jump Starter – Best Compact 2000A Pick
The GOOLOO GP2000 rounds out my list as a compact high-output option for drivers who want a 2000A-rated unit without buying an oversized jump box.
Key Features
- 2000A peak output
- 12V lithium battery system
- Up to 8.0L gas engines
- Up to 6.0L diesel engines
- Smart jumper cable
- USB charging capability
- Emergency LED light
- Compact storage case
The GP2000’s biggest selling point is its combination of small dimensions and broad engine compatibility.
GOOLOO rates this model for gasoline engines up to 8.0L and diesel engines up to 6.0L. That makes it appealing for households with multiple vehicles, including larger SUVs and pickups.
Its smart jumper cable adds electrical protection while the USB output allows the internal battery to serve as an emergency power source for phones and similar devices.
A dedicated storage case is another practical addition. Because the jump pack needs its smart clamp assembly to start a vehicle, keeping the two together is important.
I would still choose the NOCO GB40 first for the average passenger-car owner because of its extraordinary owner history and proven safety-focused design. However, the GP2000 offers more claimed engine capacity for buyers who prioritize that specification.
What I Like
- 2000A peak rating
- Excellent stated engine compatibility
- Compact lithium design
- Smart safety clamps
- USB power-bank function
- Emergency light
- Carrying case included
What I Do Not Like
- Smaller review base than the first four picks.
- Peak-current claims are difficult to compare directly between brands.
- Large diesel owners may need something more substantial.
- Must be kept charged to remain useful in an emergency.
Verdict: The GOOLOO GP2000 is a solid budget choice when you want compact dimensions combined with higher stated gasoline and diesel engine capacity.
Best Budget Jump Starter Comparison Table
| Product | Peak Output | Gas Engine Rating | Diesel Rating | Battery Capacity | Power Bank | Best For |
| NOCO Boost Plus GB40 | 1000A | Up to 6.0L | Up to 3.0L | Compact lithium pack | Yes | Best overall |
| NEXPOW G17 | 2000A | Up to 7.0L | Up to 6.5L | 18,000mAh | Yes | Larger engines |
| AstroAI S8 | 1500A | Up to 6.0L | Up to 3.0L | 10,000mAh | Yes | Cheapest strong option |
| DBPOWER 1600A | 1600A | Up to 7.2L | Up to 5.5L | 18,000mAh | Yes | LCD charge display |
| GOOLOO GP2000 | 2000A | Up to 8.0L | Up to 6.0L | Lithium pack | Yes | Compact high output |
The NOCO GB40 remains my primary recommendation because its combination of safety, portability, huge user base, and practical passenger-vehicle capability outweighs its lower advertised peak-current figure.
For maximum specifications at a lower cost, the NEXPOW G17 and GOOLOO GP2000 are stronger choices. The AstroAI S8 is particularly hard to beat when keeping purchase cost as low as possible is the main goal.
How I Chose These Budget Jump Starters
I did not simply select the five products advertising the highest peak amperage.
For a roadside emergency tool, I place more weight on:
- Amazon popularity and review volume
- Vehicle compatibility
- Clamp safety
- Reverse-polarity protection
- Portability
- Battery capacity
- Ease of charging
- Emergency lighting
- Power-bank capability
- Storage convenience
- Brand history
- Overall value
I also prioritized models with substantial customer history rather than filling the list with newly launched generic jump starters making unusually high output claims.
Buying Guide: How to Choose a Budget Jump Starter
Match the Jump Starter to Your Engine
Start with the manufacturer’s engine-size recommendation.
Small gasoline engines usually require less starting power than large V8 gasoline engines or high-compression diesels.
If you own a 2.0L four-cylinder sedan, you probably do not need a massive commercial jump box.
If you own a diesel pickup, the situation changes considerably. Diesels generally demand higher cranking current, particularly in cold weather.
Choose a product rated for at least your engine size rather than assuming the biggest peak-amperage number is automatically better.
Do Not Shop by Peak Amps Alone
Peak amps are one of the most heavily advertised specifications in this category.
Unfortunately, comparing them can be misleading because different manufacturers may use different testing procedures, battery conditions, durations, or definitions.
A reputable 1000A jump starter can sometimes be a better emergency tool than an unknown model advertising 5000A.
Consider peak current alongside:
- Engine-size rating
- Battery-cell quality
- Clamp construction
- Cable thickness
- Safety electronics
- Temperature performance
- Real customer history
This is one reason the 1000A NOCO GB40 ranks above several units advertising twice its peak output.
Look for Reverse-Polarity Protection
Reverse polarity occurs when the positive and negative clamps are connected incorrectly.
A modern lithium jump pack should ideally recognize this mistake and prevent normal current delivery.
Look for intelligent clamp systems incorporating reverse-polarity, short-circuit, overcurrent, and overvoltage protections.
These features do not eliminate the need to connect the pack correctly, but they provide an additional safety layer.
Check the Boost or Override Function
Some deeply discharged batteries have voltage too low for an intelligent jump starter to detect.
Many jump packs therefore provide a manual boost or override mode.
This feature can be valuable, but it requires additional caution because activating override may disable or bypass certain automatic safety protections.
Always follow the manufacturer’s procedure rather than experimenting with override mode.
Consider Battery Capacity
Capacity is commonly expressed in milliamp-hours, or mAh.
A larger number may provide:
- More power-bank runtime
- Additional starting attempts
- More reserve energy
- Longer flashlight operation
However, capacity claims are not always directly comparable because output voltage and measurement methods matter.
For emergency starting, actual cranking capability is more important than choosing whichever unit advertises the largest mAh figure.
Choose a Compact Size
A jump starter only helps when it is actually in the vehicle.
Large units often end up sitting in a garage because owners do not want them taking up cargo space.
Compact lithium models are easier to store in:
- Glove compartments
- Center consoles
- Trunk organizers
- Emergency bags
- Under-seat compartments
- Pickup storage boxes
The AstroAI S8 is particularly attractive when minimizing size is important.
USB-C Is Increasingly Useful
Older jump starters often recharge using Micro-USB or proprietary connectors.
USB-C is more convenient because many phones, tablets, laptops, and vehicle chargers now use the same connection.
If two jump starters perform similarly, I generally prefer the model with a modern USB-C charging system.
A Carrying Case Is Worth Having
Clamps are essential to jump-starting the vehicle.
If the battery pack is in your trunk but the smart clamp cable is sitting in your garage, the jump starter is useless.
A fitted carrying case keeps:
- Jump starter
- Clamps
- Charging cable
- Adapter
- Instructions
together in one place.
This is an underrated feature for emergency equipment.
How Much Should You Spend on a Jump Starter?
Budget jump starters commonly occupy the lower end of the portable lithium market, but buying the absolute cheapest device available is not necessarily wise.
This product may sit unused for months and then suddenly be expected to deliver hundreds of amps in a roadside emergency.
I would prioritize a model with a substantial sales history and proper clamp protections over saving a small amount on an unknown listing.
For normal passenger cars, affordable models such as the AstroAI S8 can offer excellent value.
Spending more on a NOCO GB40 may make sense when you want a particularly established model with an exceptionally large owner base.
Larger diesel engines and commercial vehicles may justify moving beyond the budget category entirely.
Lithium Jump Starter vs. Jumper Cables
Portable Lithium Jump Starter
The biggest advantage is independence.
You do not need another vehicle.
You can connect the portable pack directly to the battery and attempt the start yourself.
Other advantages include:
- Compact storage
- Built-in safety electronics
- USB device charging
- Emergency lights
- No second vehicle required
The disadvantage is that lithium jump packs must remain charged.
Traditional Jumper Cables
Jumper cables require another vehicle or suitable external battery.
Their advantages include simplicity and no internal battery that slowly discharges during storage.
However, they require:
- Another vehicle
- Correct vehicle positioning
- More cable storage space
- Careful connection
- Cooperation from another driver
I prefer carrying a lithium jump starter for immediate self-sufficiency while keeping quality jumper cables as a backup when space allows.
How to Use a Portable Jump Starter
Always follow the instructions supplied with your specific jump starter and vehicle.
In general, turn the vehicle off and switch off unnecessary electrical accessories.
Confirm the jump pack has adequate charge.
Identify the battery’s positive and negative terminals.
Connect the red clamp to positive (+) and the black clamp to the recommended negative connection point according to the vehicle and jump-starter instructions.
Confirm that the jump starter indicates a correct connection.
Attempt to start the vehicle.
Do not continuously crank the engine for extended periods. Follow the specified starting duration and waiting interval.
After the engine starts, disconnect the jump starter in the sequence specified by its manufacturer.
Do not allow the clamps to touch each other while energized.
Important Jump Starter Safety Tips
Never Jump a Visibly Damaged Battery
Do not attempt to jump-start a battery that is:
- Cracked
- Swollen
- Leaking
- Physically damaged
- Obviously frozen
A damaged battery can create serious hazards.
Verify Battery Voltage
Most compact products in this article are intended for 12V automotive electrical systems.
Do not connect a 12V-only jump starter to a 24V vehicle electrical system.
Check Polarity Every Time
Safety electronics are useful, but correct connection should always be your first protection.
Red goes to the positive terminal.
Follow the vehicle manufacturer’s instructions for the negative clamp location.
Keep the Jump Starter Charged
A completely discharged emergency battery pack cannot help you.
Check its state of charge periodically and recharge it according to the manufacturer’s recommended storage interval.
Avoid Extreme Storage Temperatures
A vehicle interior can become extremely hot during summer and very cold during winter.
Lithium batteries perform and age best when stored within the temperature range specified by their manufacturer.
Do not treat the trunk as an unlimited-temperature storage environment.
How Often Should You Charge a Jump Starter?
Do not assume a jump pack will remain fully charged indefinitely.
Lithium batteries gradually self-discharge, and electronic circuits may consume small amounts of standby power.
A sensible approach is to inspect the battery indicator every few months.
Some manufacturers recommend recharging approximately every two or three months during long-term storage.
I also recommend checking it:
- Before a road trip
- Before winter
- Before hurricane or storm season
- After using it to start a vehicle
- After using it extensively as a power bank
The exact charging schedule should follow your jump starter’s manual.
What Size Jump Starter Do You Need?
Small Cars
For compact four-cylinder gasoline vehicles, a reputable 1000–1500A-class lithium jump starter is generally more than sufficient when properly rated by the manufacturer.
SUVs and Crossovers
Engine size varies considerably.
Small turbocharged crossovers may require little more than a compact car, while large V6 and V8 SUVs benefit from greater starting capability.
Pickup Trucks
Gasoline pickups with larger engines can justify a 1500–2000A-class unit.
Diesel trucks deserve more attention because their starting requirements are substantially greater.
Diesel Vehicles
Always check the manufacturer’s specific diesel-engine rating.
Do not assume a jump starter rated for an 8.0L gasoline engine is automatically appropriate for an 8.0L diesel.
Gas and diesel ratings are typically listed separately for a reason.
Common Jump Starter Mistakes
Buying Only by Peak-Amperage Number
The largest printed number is not necessarily the best product.
Brand reliability and real-world starting capability matter more.
Forgetting to Recharge It
This is probably the easiest mistake to make.
A jump pack can sit untouched in your trunk for months. Add a periodic charge check to your vehicle-maintenance routine.
Using the Wrong Voltage
Most portable units are designed for 12V vehicles.
Connecting them to incompatible systems can damage equipment or create a safety hazard.
Ignoring Extremely Cold Conditions
Battery performance declines in cold temperatures.
Both the vehicle battery and lithium jump pack may provide less performance in severe cold, so buyers in northern climates should leave more starting-capacity margin.
Immediately Replacing the Car Battery Diagnosis With a Jump
A jump starter solves the immediate no-start condition, but it does not diagnose the cause.
Repeated dead batteries can indicate:
- Aging battery
- Charging-system problem
- Parasitic electrical drain
- Loose connections
- Corroded terminals
- Electrical fault
If the battery repeatedly dies, have the vehicle properly tested.
Frequently Asked Questions
What is the best budget jump starter?
The NOCO Boost Plus GB40 is my best overall budget jump starter.
Its massive owner base, compact design, intelligent safety system, 1000A peak output, power-bank capability, and support for common passenger vehicles make it an unusually well-rounded emergency tool.
What is the best cheap jump starter?
The AstroAI S8 is my preferred low-cost option for ordinary passenger vehicles.
It offers 1500A peak output, support for up to 6.0L gasoline and 3.0L diesel engines, multiple electrical protections, boost mode, flashlight functions, and very compact dimensions.
Is 1000 amps enough to jump-start a car?
For many gasoline passenger vehicles, a reputable 1000A jump starter can be sufficient.
Required current depends on engine size, engine type, temperature, battery condition, and jump-starter design. Always follow the manufacturer’s engine-size compatibility recommendation instead of relying solely on peak amperage.
Is 2000A too much for a car?
No, a 2000A-rated jump starter does not normally force 2000 amps into the vehicle.
The starter motor draws the current it requires, while the jump pack must be capable of supplying it. Correct voltage and proper jump-start procedures remain essential.
Can a jump starter damage a car?
Improper connection, incompatible voltage, damaged equipment, or incorrect use can cause problems.
Modern smart clamps reduce certain risks, but users should still follow both the vehicle and jump-starter instructions carefully.
How long will a portable jump starter hold a charge?
Storage time varies by battery design, temperature, age, and internal electronics.
Do not rely on a theoretical maximum. Check your jump starter every few months and recharge it according to the manufacturer’s instructions.
Can I leave a lithium jump starter in my car?
Yes, many drivers store them in vehicles, but extreme temperature limits still matter.
Avoid exposing lithium packs to temperatures outside the manufacturer’s storage specifications. Inspect the pack periodically for swelling, damage, or abnormal behavior.
Will a jump starter work on a completely dead battery?
Some models can start extremely low-voltage batteries using a manual boost or override mode.
Normal smart circuitry may not detect a battery with almost no remaining voltage. Override functions can help, but they often require extra caution because automatic protections may be reduced.
Are cheap jump starters safe?
A low price does not automatically make a jump starter unsafe, but safety features matter.
Look for smart clamps with reverse-polarity, short-circuit, overcurrent, and overvoltage protections. I also prefer models with substantial customer history over unknown listings.
Is NOCO worth paying more for?
For many buyers, yes, particularly if reliability and proven popularity matter more than maximum advertised amps.
The GB40 does not have the biggest specification number in this list, but its safety-focused design, compact size, and unusually large customer base make it easier to trust as an emergency tool.
Is a jump starter also a battery charger?
Usually not in the traditional sense.
A jump starter provides a short burst of current to crank the engine. A battery charger slowly restores a battery’s state of charge over a much longer period. Some products combine functions, but ordinary lithium jump packs should not be confused with dedicated battery maintainers.
Can I use a jump starter on a motorcycle?
Many 12V jump starters can be used with compatible motorcycles.
Check the jump pack and motorcycle instructions first. Small powersports batteries require careful clamp placement because their terminals can be closely spaced.
How many times can a jump starter start a car?
The number varies significantly with battery capacity and starting conditions.
Engine size, ambient temperature, vehicle-battery condition, jump-pack charge level, and cranking duration all affect the number of starts available from one charge.
Conclusion
The best budget jump starter should be affordable, but it should also be a product you can reasonably depend on when your vehicle refuses to start.
My primary recommendation is the NOCO Boost Plus GB40 1000A Jump Starter. Its compact design, strong electrical protections, huge customer history, power-bank functionality, and practical engine compatibility make it the most balanced choice for everyday drivers.
The NEXPOW G17 2000A is particularly attractive when you want higher stated engine capacity and an 18,000mAh internal battery while maintaining a reasonable price.
For buyers trying to spend as little as possible, the AstroAI S8 1500A provides outstanding value. It is small, lightweight, highly popular, and powerful enough for many everyday cars and SUVs.
The DBPOWER 1600A is worth considering if you prefer a larger 18,000mAh battery and an LCD charge indicator, while the GOOLOO GP2000 offers a compact 2000A alternative with strong claimed gas and diesel engine compatibility.
For most drivers, I would buy the NOCO GB40 first. If keeping the purchase price as low as possible is the priority, I would move directly to the AstroAI S8.