# What is the quietest power inverter jump starter available? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

What is the quietest power inverter jump starter available?

## Products

### Lokithor AW401 5-in-1 Powerbank and Jump Starter 20000mAh 2500A
```yaml
product: lokithor-aw401-5-in-1-powerbank-and-jump-starter-20000mah-2500a
brand: Lokithor
price_gbp: 153.51
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
size: 257 x 150 x 157mm
weight: 3.29kg
output_power: 60W
peak_current: 2500A
input_voltage: 12V/5A; USB-C 5V/3A, 9V/3A, 12V/3A, 15V/3A, 20V/3A
charging_speed: 1.6 hours
output_voltage: USB-A 5V/3A, 9V/2A, 12V/1.5A; USB-C 5V/3A, 9V/3A, 12V/3A, 15V/3A, 20V/3A; DC 12-16.8V/10A
battery_capacity: 20000mAh; 74Wh
```

- **Price:** £153.51 [^1]
- **Summary:** The Lokithor AW401 combines a 2500A jump starter, 20000mAh power bank, 150PSI air compressor, pressure washer and 500-lumen flashlight. It suits drivers, campers and roadside emergency kits, especially those needing support for vehicles up to 8.5L gasoline or 6.5L diesel.
- **Ideal For:** It is not an especially strong choice for the quietest power inverter jump starter because its built-in 150PSI compressor and 1.5MPa water pump can produce operating noise, and no noise rating is published.
- **Additional Sources:** [^2], [^3]

### Gooloo GT4000S 74Wh Jump Starter
```yaml
product: gooloo-gt4000s-74wh-jump-starter
brand: Gooloo
price_gbp: 78.99
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
size: 9.05 x 3.93 x 2.12 in
weight: 2.3 lb (1.04 kg)
output_power: 150W DC, 100W USB-C PD
peak_current: 4000A
charging_speed: 100W, full charge in 1.2 hours
output_voltage: 15V DC, USB-C PD
battery_capacity: 74Wh (5000mAh, 14.8V)
```

- **Price:** £78.99 [^4]
- **Summary:** The Gooloo GT4000S is a 4000A jump starter for 12V vehicles, supporting gasoline engines up to 12.0L and diesel engines up to 10.0L. It includes 100W USB-C fast charging, 150W DC output, an IP65-rated housing, a digital display, and an LED flashlight, making it suitable for drivers, off-road users, campers, and emergency roadside use.
- **Ideal For:** It suits users seeking a quiet power inverter jump starter because its 150W DC output can power compatible inverters without an engine-running generator, while its 74Wh battery, compact size, and 100W recharge capability support low-noise portable use.
- **Additional Sources:** [^5]

### Gooloo GT6000 99.9Wh Jump Starter
```yaml
product: gooloo-gt6000-99-9wh-jump-starter
brand: Gooloo
price_gbp: 96.14
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
size: 8.98 x 1.49 x 3.92 in
weight: 4.44lb
output_power: 100W
peak_current: 6000A
input_voltage: 15V
charging_speed: 0 to 100% in 1.4 hours
output_voltage: 15V
battery_capacity: 99.9Wh
```

- **Price:** £96.14 [^6]
- **Summary:** The Gooloo GT6000 is a high-output jump starter with 6000A peak current, a 99.9Wh battery, and support for petrol engines and diesel engines up to 12.0L. Its 100W USB-C charging, laptop support, 400-lumen emergency light, display, and 15V DC output make it suitable for drivers, trucks, RVs, camping, and off-road use.
- **Ideal For:** It suits someone seeking a quiet power-inverter jump-starter setup because its 99.9Wh battery provides 100W USB-C power and a 15V/10A DC output for a separate inverter, although no noise rating is specified for the GT6000 itself.
- **Additional Sources:** [^7]

### Gooloo GT4000 74Wh Jump Starter
```yaml
product: gooloo-gt4000-74wh-jump-starter
brand: Gooloo
price_gbp: 108.02
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
output_power: 150W
peak_current: 4000A
charging_speed: 100W; approximately 1.2 hours
battery_capacity: 74Wh (5000mAh, 14.8V)
```

- **Price:** £108.02 [^8]
- **Summary:** The Gooloo GT4000 delivers up to 4000A peak current and supports gasoline engines up to 12.0L and diesel engines up to 10.0L. Its 74Wh battery also provides 100W USB-C PD charging and 150W DC output, making it suitable for drivers who need a powerful emergency starter and portable power bank.
- **Ideal For:** It may suit someone prioritizing quiet operation because its listed features focus on jump-starting and 100W USB-C PD plus 150W DC power outputs, but no noise rating is provided to confirm that it is the quietest option.

---
## References & Sources
[^1]: LOKITHOR Shop, accessed 2026-09-13. https://www.lokithorshop.com/products/aw401-jump-starter
[^2]: Gama24, accessed 2026-09-13. https://gama24.lt/en/p/car-accessories/car-electronics-accessories/jump-starters/41678-lokithor-aw401-jump-starter-booster-2500a-powerbank-20000mah-compressor-flash-light
[^3]: Cool Mania, accessed 2026-09-13. https://www.cool-mania.com/auto/car-accessories/auto-starters-jump-starter-box-2500a-20000-mah-compressor-150psi-washer-200psi-lokithor-aw401
[^4]: Anodas, accessed 2026-09-13. https://www.anodas.lt/en/gooloo-gt4000s-74wh-jump-starter
[^5]: Great Technology, accessed 2026-09-13. https://www.great-technology.be/en/products/gooloo-gt4000s-74wh-jump-starter
[^6]: Gooloo Australia, accessed 2026-09-13. https://gooloo.com.au/products/gooloo-gt6000-jump-starter
[^7]: Gooloo Germany, accessed 2026-09-13. https://de.gooloo.com/en/products/gooloo-gt6000-jump-starter-powerbank
[^8]: Great Technology, accessed 2026-09-13. https://www.great-technology.be/en/products/gooloo-gt4000-74wh-jump-starter