12V 24V Car Battery Charger Heavy Duty

【Heavy-Duty & Wide Compatibility】Crafted with a copper coil, sturdy metal, and ABS casing, this battery charger is built to withstand regular use and last for years. It works seamlessly with all 12V/24V lead-acid batteries—including AGM, GEL, Wet/Flooded, EFB, Calcium, and deep-cycle models—making the battery charger a versatile pick for cars, trucks, motorcycles, boats, RVs, and lawn mowers. With 6ft AC and 4ft DC cables, this battery charger also offers flexible placement for easy setup.

【Smart Automatic Charging】Equipped with dual charging modes, this battery charger automatically detects 12V/24V batteries and adjusts 0-15A output for optimal results: fast charge revives low batteries, while the trickle charger function kicks in to maintain long-term battery health—no manual tweaks needed. Whether you’re charging daily or prepping for storage, this battery charger supports batteries from 4-400Ah, so it handles everything from small motorcycle batteries to larger RV ones.

【Repair Mode for Weak/Dead Batteries】For batteries that’ve gone weak or dead (3V and above), this battery charger includes a dedicated repair mode. It targets sulfation and stratification—common issues that drain batteries—to revive them, getting your vehicles back on the road fast. Note that this battery charger can’t restore severely depleted batteries, but when paired with its maintain mode, it also uses pulse current to extend the life of old, drained batteries after full charging.

【All-Climate Use: Winter Mode & LCD Display】Built for year-round use, this battery charger has winter mode for full charging in cold weather (-4°F to 104°F), ensuring a stronger engine start. In hot weather, it prevents overcharging via auto adjustments. To keep you informed, it has an easy-to-read LCD showing real-time charge percentage, current & voltage—so you know its status.

【Comprehensive Safety Protections】To keep your battery and equipment safe, this battery charger is loaded with multi-layer safeguards: reverse polarity, short circuit, overcharge, overheat, over-voltage, and over-current protection. Plus, this battery charger has spark-free connections to avoid accidental sparks during setup, and a built-in cooling fan to prevent overheating during long charging sessions—ensuring every use of this battery charger is safe and worry-free.