- Suitable for all 12V batteries (except Lithium). - Battery capacity between 3Ah to 50Ah. - 7 Step charging process - Charges and maintains your battery automatically. - Keeps your battery ready for use. - Weatherproof housing with built-in mounting eyes - Lowest operating temperature is -20° C Dimensions Length: 167mm Width: 65mm Height: 46mm Weight: 0.6kg - Tecmate Optimate 3 Size