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UL listed factory direct production.
Standard: GB 31231-2014
Electric features: short circuit protection, overcharge protection, over-discharge protection, over-current protection, etc.
Product number: HLC503040
Nominal Voltage: 3.7V
Nominal Capacity: 550mAh
Overcharge detection voltage: 4.28±0.05V
Overcharge release voltage: 4.08±0.05V
Over-discharge detection voltage: 3±0.1V
Over-current detection current: 3-5A
Cycle: >500 cycles
HLC Battery is happy to custom any lithium battery for you, based on your capacity, size and performance demand.