ExpertPower 12V 7 Amp EXP1270 Rechargeable Lead Acid Battery GENUINE EXPERTPOWER BATTERY - The Most Trusted And Highest Reviewed Sealed Lead Acid Batteries On Amazon BATTERY TYPE - 12 Volt 7 Amp 20 Hour Sealed Lead Acid Battery With F1 Style Terminals. Operational Temperature : Discharge: -40 C to +60 C (-40 F to +140 F), Recharge Temperature: -20C to +50 C (4 F to 122 F) RUGGED CONSTRUCTION - The High Impact Resistant Battery Case Is Made Up Of A Non-Conductive ABS Plastic. This Material Has a Strong Resistance To Shock, Vibration, Chemicals and Heat. AGM TECH - The Acid Inside Is Absorbed Between The Plates And Thereby Immobilized By A Very Fine Fiberglass Mat. This Along With The Valve Regulated, Spill-Proof Design Of Our Batteries Allows Trouble-Free, Safe Operation In Any Orientation USER FRIENDLY - Easy, One-Time Installation Of Our Maintenance Free and Valve Regulated Batteries Will Get Your System Or Application Running In No Time At All Charging Time - 4 hours - 12Volt 2Ampere Smart Charger