BUTURE 3500A 12V Car Jump Starter 16800mAh Power Bank
High-peak 3500A output delivers rapid, reliable starting for 12V systems up to large V8 engines, minimizing downtime during roadside failures. The integrated 16800mAh lithium-ion battery supports up to 30 jump starts per full charge while providing fast USB Quick Charge 3.0 and a 5V/2.1A port for emergency device charging. An array of eight built-in safety protections — including spark-proof and reverse-polarity protection — prevents damage during connection and simplifies safe operation. A compact, lightweight housing (about 0.8 lb) and included storage bag make the unit easy to stow in trunks, gloveboxes, or travel kits. The 4-mode LED worklight (steady, flash, SOS, orange warning) improves visibility and scene safety during night or low-light incidents. Intuitive LED indicators and audible alerts guide correct clamp attachment and battery status for error-free use. Recharge time is approximately 2–3 hours via USB power source, enabling frequent readiness for multi-day trips. Heavy-duty clamps and reinforced jumper cables deliver secure contact and reliable current transfer under load. Designed for professionals and motorists seeking a high-output, portable booster with multi-function utility.
| Battery Capacity | 16800 mAh lithium-ion |
| Peak Current | 3500A peak |
| Engine Compatibility | Up to 8.5L diesel / 9.0L gas (approx. 519 cu in diesel / 549 cu in gas) |
| Number of Jump Starts | Up to 30 jumps per full charge |
| USB Output | QC 3.0 + 5V/2.1A port for rapid device charging |
| Safety Protections | 8 protections including spark-proof, reverse polarity, over-current, short-circuit |
| LED Light Modes | 4 modes: steady, flashing, SOS, orange warning |
| Included Accessories | Heavy-duty clamps, USB charging cable, storage bag, user manual |
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