12V 45AH Intelligent Lithium Battery (1245L) – MillerTech


Lithium Batteries contain no poisonous lead, and no acid, and do not create gases during charge, as traditional Lead-Acid batteries do. Compared to lead-acid, Lithium Iron Phosphate batteries are also extremely lightweight, have a much lower self-discharge, do not sulfate, and are environmentally friendly.



Voltage 12.8V
Capacity 45AH
Weight 14.5 lbs
Dimensions 9 × 5.5 × 8.5 in
Chemistry LiFePo4
Efficiency 98%
Memory None
Low Battery Alarm Yes
Max Charge/Voltage 14.6V
Peak Discharge 135A-1-2 sec
Cut-off Voltage 10.5V
Max charge/Discharge Current 45A
Operating Temp 32F – 130F
Low Temp Charging Protection Yes
Connection Capability 4S-4P
Cell Type Cylindrical
Warranty 5 years


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