Features 1The battery equalizer is used to maintain the charge and discharge balance between each battery in series connected battery 2The battery equalizer can compensate for the battery in both directions 3Reverse polarity protection low voltage disconnect to provide longer battery life time 4Can be connected in series for a long time in the battery so as to automatically maintain the balance of the battery state 5Intelligent battery voltage equilibrium system keeps batteries in heath and saves battery lifespan Specification Description:Features: The battery equalizer is used to maintain the charge and discharge balance between each battery in series connected battery. The battery equalizer can compensate for the battery in both directions. Can be connected in series for a long time in the battery so as to automatically maintain the balance of the battery state. Specification:Condition: 100% Brand NewColor: BlackCompensation Current: 0-10AQuiescent Current: 5mA12V1.2mA(2.4V)Protection: Reverse Polarity ProtectionProduct Size: Approx. 124 * 62 * 27mm / 4.9 * 2.4 * 1.1inchProduct Weight: Approx. 400gPackage Included:1 x Battery Equalizer1 x User Manual