Most Asked Questions 👉 Q: What is the capacity of the GOOLOO GP4000? A: The nominal capacity of GOOLOO GP4000 is 24000mAh, and we indicate the capacity as 99.2 Watt-hours 【Warm tips】 To calculate the capacity, just divide its watt-hours by 3.6, which is the very nominal voltage of a lithium-ion battery cell, you get the amp-hours, then multiple its amp-hours by 1,000, you can get the capacity. 👉 Q: Can GOOLOO GP4000 work at minus 20 Celsius? A: The answer is Yes. The high discharge rate cells with smart power supply IC of GOOLOO GP4000 enable the jump-start job to be processed normally in chilly mornings, the built-in temperature protection resistance runs well in large temperature difference environments, without damage to components because of over-voltage or under-voltage. 👉 Q: Is GOOLOO GP4000 able to jump-start a boat? A: GOOLOO GP4000 is rated at 2000 amps, suitable for all gasoline engines maximum, and up to 10.0L 👉 Q: How do I use GOOLOO GP4000 to jump-start my vehicle? A: You can easily jump-start your vehicle with GOOLOO GP4000 in just 3 steps, 1. Insert the jump cable into the GOOLOO GP4000 2. Connect the clamps to your car battery 3. Start your vehicle engine |
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We are authorized distributor, all items are 100% original and Our devices have a warranty,
12 months of free repair for the devices.
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In case an item arrives faulty, please contact us in 30 days and keep it unused. We have a 30-day return policy, which means you have 30 days to request a return after receiving your item. To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging.
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