03/04/2026
JUMPSPOWER
GT4000A
๐ JUMPSPOWER GT4000A Overview
The JUMPSPOWER GT4000A is a portable car jump starter and power bank designed to help you start a dead vehicle battery and charge electronic devices anytime, anywhere.
โก Key Features
1) Powerful Jump Starter
Designed for 12V vehicles
Peak current up to 4000A
Can start cars, motorcycles, boats, ATVs, and more
2) Built-in Power Bank
High-capacity battery (~20,000mAh equivalent)
Can charge smartphones, tablets, and other USB devices
3) Fast Charging Output
Supports USB-C PD fast charging (up to ~30W)
4) Advanced Safety Protection Includes multiple safety systems:
Reverse polarity protection
Short-circuit protection
Over-current & over-voltage protection
Spark-proof design
5) Portable & Long Standby
Compact and easy to store in your car
Long standby time (up to several months without charging)