Description Compatible battery: Lead Acid Battery, Lithium Battery, Nickel-Cadmium Battery Battery Equalizer or Battery Balancer is an electronic device that can improving battery bank lifespan by 5-30%. When charging two or more batteries in series, one can become under-charged and one over-charged. The service life of an expensive battery bank can be substantially shortened due to state of charge unbalance. The battery balancer measures and equalizes the charging voltage, ensuring balanced charging. Volt: 24V / 36V / 48V / 96V
