1. BATTERY TYPE - 12 Volt 12 Amp 20 Hours Sealed Lead Acid Battery With F2 Style Terminals, Pack Of Two Batteries
2. 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. 
3. 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 Easy, One-Time Installation Of Our Maintenance Free and Valve Regulated Batteries Will Get Your System Or Application Running In No Time At All 
F2 Style Terminals Are Little Bit Bigger Than the F1 Style Terminals, For Uninterrupted Power Supply(UPS), Telecommunication System, Computer Standby Power Supply System, Etc.
Dimensions: 
Length: 5.94 Inches, Heights: 3.70 Inches, Width: 3.86 Inches