TecMate Optimate5 6V/12V – 6V 4A / 12V 3A, Model TM321, Silver Series High Performance Battery Charger & maintainer for Deep Cycle Batteries

Designed to optimize performance and extend life of 6V and 12V deep cycle batteries in your RV or other craft, also works great for any 12V starter battery in cars, pickup trucks, ATV or motorcycle.
Choose the right charge voltage for your 6V or 12V flooded batteries, sealed AGM and GEL or lead-calcium CA-CA batteries.
Your charge mode selection remains in memory even supposing the AC power is lost or battery is disconnected. Protected selection ensures you don’t by chance charge a 6V battery if you prior to now selected a 12V mode.
Charging is fully automatic and worry free. Ampmatic charge keep watch over with built-in temperature compensation automatically adjusts charge rate consistent with battery size and condition and ambient temperature, guaranteeing an optimal charge each time.
The automatic 8-step program saves a deep discharged battery from as little as 0.5 Volts and the accurate pulsing absorption completes charging to 100% without gassing followed by long term maintenance mode that assists in keeping the battery at its optimal level 24-7.