Booster 2 - Car charger Juice Technology - Free user manual and instructions
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| Product Type | Car Jump Starter & Power Bank |
| Brand | Juice Technology |
| Model | Booster 2 |
| Dimensions (approx.) | 250 x 130 x 50 mm |
| Weight (approx.) | 1.2 kg |
| Battery Type | Lithium-ion Polymer |
| Battery Capacity | 20000 mAh / 74 Wh |
| Jump Start Current (Peak) | 800 A |
| USB Outputs | 2x USB-A (5V/2.4A each), 1x USB-C PD (5V/3A) |
| AC Output | None |
| Reverse Polarity Protection | Yes |
| Short Circuit Protection | Yes |
| Overcharge Protection | Yes |
| Recharging Time (approx.) | 4-6 hours via included charger |
| Operating Temperature | -20°C to 60°C |
| Maintenance | Keep battery charged above 50% when not in use; clean contacts with dry cloth |
| Safety Certifications | CE, RoHS, FCC |
| Included Accessories | Jumper cables, USB charging cable, carrying case, user manual |
| Warranty | 2 years |
Frequently Asked Questions - Booster 2 Juice Technology
How do I jump start my car with the Booster 2?
Connect the red clamp to the positive (+) terminal of your car battery, and the black clamp to a solid ground (e.g., bare metal on the chassis). Then turn on the Booster 2. Start your car within 5 seconds. Disconnect in reverse order.
Can I charge my phone with the Booster 2?
Yes, it has USB outputs that can charge phones, tablets, and other devices. Simply plug in your device's charging cable into the USB-A or USB-C port.
How long does it take to fully charge the Booster 2?
Using the included charger, it typically takes 4 to 6 hours for a full charge. The LED indicators will show the charging status.
What is the maximum engine size the Booster 2 can jump start?
The Booster 2 is designed for engines up to 6.0L gasoline or 4.0L diesel. For larger engines, multiple jump starts may be possible after recharging.
Is the Booster 2 safe to use in rain or snow?
The Booster 2 has an IP65 rating, meaning it is dust-tight and protected against low-pressure water jets. However, avoid submerging it in water.
How do I know when the Booster 2 needs recharging?
Press the power button to check the battery level via the 4 LED lights. If only one light is on or flashing, recharge the unit as soon as possible.
What should I do if the clamps touch each other?
The Booster 2 has short-circuit protection, so it will not cause sparks or damage. However, always avoid touching the clamps together while connected to the unit.
Can I use the Booster 2 as an emergency power source?
Yes, you can use the USB ports to power or charge devices like phones, tablets, or even a portable cooler (via USB). It also has a built-in LED flashlight.
How do I store the Booster 2 for long periods?
Store it in a cool, dry place at room temperature. Ensure the battery is at least 50% charged. Recharge it every 3-6 months to maintain battery health.
What does the LED flashlight feature do?
The built-in LED flashlight has three modes: constant light, strobe, and SOS. Press and hold the power button to cycle through modes. It is useful for emergencies.
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USER MANUAL Booster 2 Juice Technology
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Product information
Brand : Juice Technology
Model : Booster 2
Category : Car charger