WOLFBOX BC40 4A Smart Car Battery Charger 6V/12V Tester & Pulse Repair for Lead-Acid & LiFePO4 Batteries

• Amazon now offers the WOLFBOX BC40 4A Smart Car Battery Charger 6V/12V, now $44.99 (list price $59.99).
• Prime members get free two-day shipping, and regular members get free shipping on orders over $35 within the contiguous U.S.
• Buy >>

Editor's Pick: If your car won't start after sitting for a while, it's usually a drained battery. Just hook this up, pick a mode, and forget about it—the 10-stage charging automatically adjusts based on your battery's condition. For cars you don't drive often, you can leave it connected for maintenance; the float mode stops charging once full, so there's no overcharging. It can also revive deeply discharged 12V batteries, and works for motorcycles, lawn mowers, and boat batteries too. The LCD screen shows voltage and progress at a glance.

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