93.5
Best for organized drivers who want quick access to paperwork
- Hidden magnetic closure
- Eco friendly PU leather
- Six transparent compartments
$8
Head to head · Car Accessories
Jump Starter A9 12V 4000A UltraSafe Portable vs Car Jump Starter 5000A
Ravvy scores Jump Starter A9 12V 4000A UltraSafe Portable at 89.19 and Car Jump Starter 5000A at 93.07. Car Jump Starter 5000A takes the overall pick, best for owners of large trucks, rvs, and heavy diesel vehicles.
89.2
$42
A high value emergency kit essential that balances extreme peak power with a compact form factor, though it requires periodic maintenance charging to remain reliable.
Ravvy pick
VACASSO
Car Jump Starter 5000A
93.1
$48
Heavy duty vehicle owners should choose the VACASSO Z08 for its unrivaled 5000A peak power, accepting the slightly larger physical footprint in exchange for absolute starting reliability.
How they score
| Factor | Jump Starter A9 12V 4000A UltraSafe Portable | Car Jump Starter 5000A |
|---|---|---|
| Peak Power | 94 | – |
| Portability | 96 | 82 |
| Versatility | 85 | 91.5 |
| Charge Speed | 82 | – |
| Safety Features | 90 | 96 |
| Charging Speed | – | 88 |
| Cranking Power | – | 98.5 |
Jump Starter A9 12V 4000A UltraSafe Portable
What owners praise
- Powerful 4000A peak current for large engines
- Ultra compact design fits in small storage compartments
- Smart LCD screen provides precise battery monitoring
- QC3.0 fast charging for mobile devices
- Comprehensive 10 point safety protection system
What to know first
- Lower total Wh capacity compared to larger units
- Requires recharging every 3 months for peak health
- Charging cable is included but wall adapter is not
Skip it if commercial heavy duty truck fleets requiring high cycle frequency
Car Jump Starter 5000A
What owners praise
- Massive 5000A peak current for large engines
- High capacity 59.2Wh power bank functionality
- Durable high quality metal smart clamps
- Extended 24 month standby battery life
- Clear LED display for precise battery monitoring
What to know first
- Larger and heavier than basic 1000A units
- Requires 3 to 6 month maintenance charging
- Charging cable included but wall brick is not
Skip it if budget shoppers seeking a basic unit for small compact cars only
Specs side by side
| Spec | Jump Starter A9 12V 4000A UltraSafe Portable | Car Jump Starter 5000A |
|---|---|---|
| ASIN | B0FLDV9RYC | B0F9FFM9W4 |
| Brand | VACASSO | VACASSO |
| Voltage | 12 volts | 12 volts |
| Amperage | 4000 A | 5000 A |
| Brand Name | VACASSO | VACASSO |
| Unit Count | 1 Count | 1 Count |
| Battery Type | Lithium Polymer | Lithium Polymer |
| Manufacturer | DONGGUAN CHUANGYI NEW ENERGY TECHNOLOGY CO., LTD | VACASSO |
| Model Number | A9 | Z08 |
| Number of Items | 1 | 1 |
| Number of Packs | 1 | – |
| Battery Capacity | 10000 milliamp_hours | 20000 milliamp_hours |
Other options in this category
93.5
Best for organized drivers and new car owners
- Premium PU leather construction
- Dual large document pockets
- Hidden magnetic seal
$6
93.5
GOOLOO
GP4000 Jump Starter
Best for owners of large trucks, rvs, and those living in extreme climates
- 4000A Peak Current
- 10.0L Gas/Diesel Engine Capacity
- 24,000mAh Power Bank Capacity
$80