A ... lithium-cell capacity indicator
Lithium-cell voltage monitoring volume indicator by XC61CC series chips.
B. battery protection circuit
Battery protection circuit for overcharge protection, overcharge protection, over-temperature protection consists of three parts, HAT2027, R5402 construction triple protection, resettable fuses, the lithium core security greatly enhanced.
C. charging circuit
Charger circuit using the CN3066, the charging process into trickle charge, constant current charge, constant-voltage charging and maintenance charging of four parts, enabling mobile portable power to maximize the energy.
D.DC-DC boost circuit
DC-DC step-up circuits with the MAX1771 integrated chip may be lithium-ion core capacity in safety within the maximum release, to aim for power supply of digital equipment.
E. function circuits
Function covers common requirements involved in outdoor activities, emergency night Gao Liangzhao, anti-theft security alerts, camping outdoor insect repellent.