【Battery Charger, Maintainer&Desulfator】An compact size portable 4 in 1 battery charger, battery maintainer, trickle charger, and battery desulfator. Perfect for all types of 6-volt and 12-volt lead-acid automotive, RV, powersport, and deep-cycle batteries, including flooded, gel, AGM, SLA, VRLA and maintenance-free batteries, suitable for cars, golf carts, motorcycles, boats, lawn mowers, marines, ATVs, UTVs etc. | 【Visualized Charging with LCD Screen】The intelligent digital LCD screen clearly and visibly displays the charging status, charging percentage and voltage, charging current, etc. Always know how your battery charging is working. | 【Pulse Repair to Restore Your Battery】Built-in advanced battery REPAIR technology, helps to restore the old/idle batteries lost performance and extend battery life. 7-stage charging program (desulfurization, trickle charging, constant current charging, constant voltage charging, battery current detection, compensation charging, Floating charging). | 【Plug it and forget it & Trickle Charging】STD mode will automatically cut-off power after fully charged while trickle model will enter trickle charging and maintain your battery voltage at 12.5V. All around protection including short circuit, overload, low-voltage, high-voltage, overcharge, over-temperature, reverse-connection and over-current protection makes it really plug it and forget it. | 【What You Get】 2 Year 100% SATISFACTION SERVICE. Extra long 6.6ft SAE standard cord with detachable alligator and ring connectors. Press and hold the MODE button for 5 seconds, and the charger will be forced to switch to 12V charging mode. If you are not pleased with the product, please contact NEXPEAK directly for hassle-free return and refund. | ***The charger will lock in the current mode during a power outage and automatically restart into trickle charging mode or standard mode after power is restored. The charger supports long-term charging, so you don’t have to worry even if you go out for several months.