ExpertBattery - 5 packs of 12V 20Ah SLA AGM Rechargeable Batteries

12V 20Ah Sealed Lead Acid Battery (VRLA, AGM) ---Maintenance Free ---Long Shelf Life ---High Discharge Rate ---Nuts and bolts included with the battery ---L x W x H: 7.13’’ x 3.03’’ x 6.57’’ How to prolong the battery: For the first use of the battery, we recommend a full discharge. Every use following, we would recommend a 50% discharge to prolong the life span of the battery. Charger information: Please use a charger that is rated between 10% to 20% (max.) of the battery’s rated capacity.