Tecmate OptiMATE USB O-100, Combination 2400mA USB Charger and 3-LED Battery Monitor, With Vehicle Battery Protection

Tecmate OptiMATE USB O-100, Combination 2400mA USB Charger and 3-LED Battery Monitor, With Vehicle Battery Protection Easily connects with any vehicle and standard sae cable. Lithium and lead-acid friendly. Weatherproof. Built in protection to turn off when not using. Monitors battery status with easy to read led indicator.