G21C 2000A, 16000mAh Jump Starter, 12V Battery Booster

Product details

From the brand B31 Jump Starter with Air Pump G69H 4000A jump starter G21C 2000A jump starter Patent CertPatent Certificateificate Product description Dspark Portable Jump Starter & Air Compressor G21C 2000A Jumper Starter B31JumperStarterAir Compressor G69H 4000A Jumper Starter Amps 2000A Peak Amps 4000A Peak Amps Battery Capacity 16000mAh 24000mAh Gas Engines/Diesel Engines Up to 7.0 Liters/6.5 Liters Up to 10.0 Liters/8.5 Liters with Air Compressor? NO 150psi LED Lumens 200 Lumens If the battery jump starter is left unused in the car, how long can it retain its charge? It is advised to charge it approximately once every month, depending on how much you've used it. If the battery jump starter is left unused in the car, how long can it retain its charge? It is advised to charge it approximately once every month, depending on how much you've used it. What types of batteries can this battery jump starter start? It can start 7.0 L gas/6.5 L diesel engines and other 12 V vehicles like motorcycles, cars, SUVs, pickups, or lawnmowers. What types of batteries can this battery jump starter start? It can start 7.0 L gas/6.5 L diesel engines and other 12 V vehicles like motorcycles, cars, SUVs, pickups, or lawnmowers. Can this portable jump starter for car be used normally in extremely cold and low-temperature environments? Featuring cold-weather battery technology, this jump starter works in extreme temperatures from -4°F to 140°F. Can this portable jump starter for car be used normally in extremely cold and low-temperature environments? Featuring cold-weather battery technology, this jump starter works in extreme temperatures from -4°F to 140°F. When my car battery is completely dead, will this jump starter still be able to start it? Though this device is quite powerful, to ensure its smooth operation and prevent any accidents, we strongly recommend fully charging it prior to every use. Also, for periods of extended inactivity, regular charging is advisable. When my car battery is completely dead, will this jump starter still be able to start it? Though this device is quite powerful, to ensure its smooth operation and prevent any accidents, we strongly recommend fully charging it prior to every use. Also, for periods of extended inactivity, regular charging is advisable. Why can't I get this jump starter fully recharged? Only stuck at a certain battery percentage? This item is not fulfilled by seller and the battery inside will discharge itself constantly while being stored in the warehouse. Therefore it takes a longer time for the first time you charge this jump starter, which should be at least a few hours. Why can't I get this jump starter fully recharged? Only stuck at a certain battery percentage? This item is not fulfilled by seller and the battery inside will discharge itself constantly while being stored in the warehouse. Therefore it takes a longer time for the first time you charge this jump starter, which should be at least a few hours. 【Ultra-Compact, Always Ready】 Weighing just 0.8 lb, G21C fits easily in your glove box, backpack, or center console. Designed as an everyday backup jump starter, it’s always within reach when a dead battery catches you off guard. 【Beginner-Safe with Clear Alerts】 Built-in smart protection detects incorrect connections and alerts you with beeps and flashing lights before anything goes wrong. Spark-proof and reverse-polarity protection make it safe even for first-time users. 【Reliable Starts When It Matters】 With 2000A peak current, G21C delivers stable, usable power to start 12V vehicles up to 7.0L gas or 6.5L diesel, even in extreme temperatures from -4°F to 140°F. 【More Than a Jump Starter】 The built-in 16800mAh power bank and DC output can power car accessories like refrigerators or vacuums, while the LED flashlight with SOS mode keeps you visible and prepared during roadside or camping emergencies. 【Designed for Emergency Backup Use】 Optimized for standby reliability and emergency starts—not for commercial or continuous heavy-duty use. For best performance, check battery level periodically during long-term storage. 【What's In The Jump Starter Battery Pack】Dspark Heavy-Duty Portable Car Battery Jump Starter G21C, Smart Jumper Cable, USB to Type-C Cable.Please contact us for any problem and we provide 18 Months Warranty and lifetime Technical Support. 【Friendly Reminder】Ensure your jump starter power pack has at least 50% battery before each use for a reliable jump start. If not in use, recharge it every 2-3 months to maintain optimal performance and extend battery life.