... 2.2kg 4. Long service life, float appkcation. Rechargeable battery, battery, lithium ion battery1). More than 2000 deep cycle's ... offers the lowest life-cycle cost, using a graphite anode. 2). Battery may be installed in any position except ... 3). The weight of an equivalent capaciy lead acid battery. 4). Long service life, float application. 5). ... 25oC): 27.6~29.6V(normal 29.6V) rechargeable battery