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【Upgraded 20A Heavy Duty Battery Charger】Battery Charger is made with copper coil, metal and ABS casing, weighing 11.5 lb. Designed to charge, maintain and repair all 12-volt and 24-volt lead-acid automotive, （12V-20 Amp, 24V-10Amp）marine and deep-cycle batteries including AGM, GEL, EFB, SLA,Flooded(WET), Calcium in cars, truck, SUVs, ATV, motorcycle, snowmobile, lawn mower, boat, tractor, forklift, golf cart, etc. which is much faster than 10A or 6A automatic chargers. NOTE LITHIUM BATTERY DISABLED.
【High power, faster charging】Battery Maintainer has Fast charge/trickle charge Mode.The battery chargers automobile 12 volt automatically detects 12V and 24V batteries.Choose fast mode for 30-400AH batteries. Choose trickle mode for 6-30AH batteries; AC input 110V 50/60Hz, input power with load max 300W, applicable battery's voltage 12V/24V, output current max 20A/10A.
【Auto shut-off - no waiting around】The auto shut-off mode stops charging when the battery is fully charged, preventing overcharging. The maintain mode uses a pulse current to restore and extend the life of old, drained, stratified and sulfated batteries after they are fully charged.
【Winter/Summer Mode】The battery trickle charger can avoid overcharging the battery in hot summer and charge the battery normally in cold winter. It is your battery guardian! It has multiple protection functions to ensure safe charging！
【High-Efficiency Pulse Repair Mode】Revive dead batteries! Built-in advanced battery REPAIR mode to help to recover old/idle batteries and extend battery life. If the battery cannot be charged, please use repair mode. The high-frequency and low-frequency pulse technology has good repair and activation effects. The repair mode can revive dead batteries (above 3v) in various vehicles.
【Multiple Protection & Safe to Use】This portable car battery charger has overcharge protection, over current protection, a built-in cooling fan, overheating protection, reverse polarity protection, short circuit protection, sparks-free contact, etc., ensuring a safe and efficient charging process while extending your vehicle's battery life！Three-year warranty, if you have any use problems, please contact me!
