12V 20 Amp hours, Lithium (LiFePO4) Battery |New Lithium Iron Phosphate cells |High Cycle Life: >3000 @ 80% Depth of Discharge |Suitable SLA Replacement – Backup Power, Solar Applications, etc |Built-in Battery Management System for Battery Protection |Light Weight – 30% of SLA battery |Dimensions: 181mm (L) x 76mm (W) x 170mm (H