Solar Battery Gel Lead Acid Battery Lead Acid Battery 12v150ah Maintenance Free Gel Battery Solar PV System Use Lead Acid 12V150AH :  *Maintenanch free *Convenient for installation *Safety and no leakage *Excellent recharge and discharge performance *Adapt to high or low temperature *Good deep discharge performance *Longer cycle life Product Description :  Rated Voltage 12V Number of cells 6 Cells Designed Life 5-8 Years Rated Capacity at 25℃(77℉) 10hr rate(0.1C,10.8V) 100Ah 3hr rate(0.25C,10.8V) 76.8Ah 1hr rate(0.55C,10.5V) 55.2Ah Capacity affected by Temperature(10 hour rate) 40℃(104℉) 103% 25℃(77℉) 100% 0℃(32℉) 85% -15℃(5℉) 65% Charge Method:constant-voltage charging at 25℃(77℉) Cyclic use 14.4-14.9V Maximum charging current 25A Temperature Compensation -30mV/℃ Float Use 13.6-13.8V Temperature Compensation -20mV/℃ Self-Discharge 25℃(77℉) Capacity After 3 month storage 91% After 6 month storage 82% After 12 month storage 64% Environment Temperature Requirements Discharge Temperature -15-50℃ Charge Temperature 0-40℃ Storage Temperature -15-40℃ Inner Resistance&Max. Discharge Current A fully charged battery at 25℃(77℉) 4.5mΩ Max. Discharge Current 1500A(5s) Short Circuit Current 5000A Dimension and weight Length 330mm Width 173mm Height 217mm Total Height 222mm Reference Weight 30kg Battery Construction :  Construction Positive plate Negative plate Container Cover Safety valve Terminal Separator Electrolyte Raw material Lead dioxide Lead ABS ABS Rubber Copper AGM glass Sulfuric acid