12V/17AH sealed lead acid battery Peak current: 900 Amp;starting current:400 Amp Output power DC12 V with 15 A automatic circuit overload protection If mistake the anode and cathode,the unit will give an alarm Led display while charge and automatically shut down when fully charge Volteter:display battery capacity With red safty switch Price Condition FOB Ningbo Size 39.5 x 32 x 30.5 Centimeters Packaging 2pcs Package Weight 18 Kilograms Delivery lead time one month later after receiving the order Minimum order 1000pcs