This listing is 100% Returnable within the Amazon return policy guidelines. Please contact the seller directly for return information. Genuine Beiter DC Power Battery – One of the Most Trusted and Highest Reviewed Sealed Lead Acid Batteries on Amazon Battery Type - 12V 12ah 20 Hour Sealed Lead Acid Battery This type of battery has to be charge at least every 3 weeks or it will totally discharge. 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. 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 Each Battery