- 4 AMP FULLY AUTOMATIC BATTERY CHARGER WITH LCD DISPLAY – Perfect Car Battery Maintainer for RV, Boat, or Car Battery Charger. The built-in LCD display will provide you with accurate status and battery voltage measurement
- AUTO VOLTAGE DETECTION – Detects 6 Volt or 12 Volt batteries, charges, and maintains them. Built-in circuit protection guards against overcharging, reverse polarity, or short circuit.
- 9 STEP SMART BATTERY CHARGER – This battery charger helps keep your battery lasting longer than simple chargers
- BATTERY MAINTAINER – Automatically adjusts the amperage rate to charge and maintain batteries