UTRAI JS4 car jump starter, 2 500 A, with power bank
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Choose countryThe UTRAI JS4 is a portable vehicle jump starter that also works as a power bank. It provides 800 A starting current and 2 500 A peak current, with support for petrol engines up to 8.0 L and diesel engines up to 7.5 L.
Engine starting and device charging
Smart jump leads provide protection against connection errors, while a digital LED display shows device status information. The built-in battery has a capacity of 59.2 Wh.
- Wired charging: 2 USB-A ports and a USB-C input/output support mobile device charging, including multiple devices at once.
- Wireless charging: 10 W charging for devices that support wireless charging.
- Lighting: an LED torch offers standard, SOS and strobe modes.
- Additional tools: a compass and safety hammer provide further emergency functions.
Connections and size
The USB-C port works as both an input and output at 5 V / 3 A. A 12–16 V / 10 A DC output is also available. The unit measures 180 × 93 × 43 mm and weighs 863 g.
| Manufacturer | UTRAI |
|---|---|
| Model | JS4 |
| Display type | Digital LED display |
| Peak current | 2 500 A |
| Starting voltage | 14.8 V / 16.6 V (4 cells) |
| Fast charging | Bidirectional fast charging |
| Conversion efficiency | 85%–90% |
| Battery capacity | 59.2 Wh |
| Wireless charging power | 10 W |
| Starting current | 800 A |
| Petrol engine compatibility | Up to 8.0 L |
| Diesel engine compatibility | Up to 7.5 L |
| DC output parameters | 12 V–16 V / 10 A |
| USB port 1 parameters | 5 V / 3 A, 9 V / 2 A, 12 V / 1.5 A |
| USB port 2 parameters | 5 V / 2.1 A |
| USB-C input/output parameters | 5 V / 3 A |
| Dimensions | 180 × 93 × 43 mm |
| Weight | 863 g |
| Number of USB-A ports | 2 |
| LED torch modes | Standard, SOS, strobe |
| Additional tools | Compass, safety hammer |
| Jump leads | Smart leads with protection against connection errors |
| EAN | 6970076588518 |
|---|
Which engines does the UTRAI JS4 support?
It supports petrol engines up to 8.0 L and diesel engines up to 7.5 L. Starting current is 800 A and peak current is 2 500 A.
Can it charge a phone?
Yes. The JS4 works as a 59.2 Wh power bank with 2 USB-A ports, a USB-C input/output and 10 W wireless charging. It supports charging multiple devices simultaneously.
























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