– The fully enclosed battery saving charger & trickle charger with 2 banks for 12V AGM, GEL or STD batteries - Charging current: 0.8A (constant current). - Charging voltage is nominal 12V with a working range of 2V - 14.4V - 7 Step charging process - The operation is fully automatic - Ensures that your battery remains ready to start. - Can be used both indoors and outdoors, lowest operating temperature is -20 ℃ - Weatherproof housing with built-in mounting eyes Dimensions Length: 167mm Width: 65mm Height: 46mm Weight: 0.6kg