TECMATE Battery Charger/Maintainer TM409

Battery Charger/Maintainer
Maintains any type of 12 V lead acid or 12.8 V lithium battery from 2 Ah - 20 Ah, Four-step program, Low-volt start of 4 V, Delivers a constant 600mA current, Dust proof plug-in case, with 12' charge lead ending in SAE connector, Tests and delivers only what the battery needs without overcharging or undercharging, Sparks suppressed, Safe for long-term battery maintenance, Automatic shut-down if short-circuited or battery disconnected