About This

• 【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 1-Year 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.

Overview

• Brand : Dspark
• Battery Cell Composition : Lithium Ion
• Voltage : 12 Volts
• Vehicle Service Type : Motorcycle, Snowmobile
• Battery Capacity : 16000 Milliamp Hours