Optimate6 12V/24V - 12V 6A / 24V 3A, Model TM381, Gold Series High Performance Battery Charger & maintainer for Deep Cycle Batteries - TecMATE, TM-381

• Designed to optimize performance and extend life of 12V and 24V deep cycle batteries in your RV or other craft, also works great for any starter battery in cars, pickup trucks, ATV or motorcycle Precise charging with two 12 Volt and 24 Volt charge modes, dialling in the right charge level for flooded batteries, sealed AGM and GEL or lead-calcium CA-CA batteries. Your charge mode selection remains in memory even if the AC power is lost or battery is disconnected. Safe selection ensures you don’t accidentally charge a 12V battery if you previously selected a 24V mode. Charging is fully automatic and worry free. Ampmatic charge control with built-in temperature compensation automatically adjusts charge rate according to battery size and condition and ambient temperature, guaranteeing an optimal charge every time. The automatic 8-step program saves a deep discharged battery from as low as 0.5 Volts and the accurate pulsing absorption completes charging to 100% without gassing followed by long term maintenance mode that keeps the battery at its optimal level 24-7.