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The Rexing 3000A is a 20,000mAh lithium jump pack rated at 3,000A peak, enough to start gasoline and diesel engines up to 8 liters. It adds a 65W USB-C port that recharges the pack in about 1.3 hours and doubles as a laptop charger, plus a QC3.0 USB-A port, an HD LCD status screen and a multi-mode LED light. It is a strong all-round pick for drivers who want one pack for jump starts and device charging; rivals at the same power level often skip the fast USB-C charging or the screen. It is heavier and bulkier than pocket-sized 1,000A packs, so it suits glovebox and trunk duty rather than carrying in a jacket.
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Owners generally rate the Rexing 3000A highly for starting big engines and for the fast USB-C charging. Complaints center on its size and weight and on the lack of a case.
The Rexing RJ3000 is a portable jump starter with a 20000mAh battery and 3000A peak power. It starts 12V vehicles such as cars, trucks and boats, and supports gasoline and diesel engines up to 8 liters. A one-touch boost function starts vehicles in low-voltage conditions.
An LCD screen shows real-time status indicators, including battery level and operational status. The built-in LED flashlight has steady, strobe and SOS modes for emergencies.
The 65W USB-C port works for both input and output, and a QC3.0 USB-A port provides additional output. The unit recharges fully in 1.3 hours and can power phones, laptops and tablets. It operates from -4°F to 140°F and is IP64 water-resistant and dustproof.
