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1.low cost, high satety
2.Maintenance free Li battery is used
3.Main light source used high bright, big power 1W LED, used auxiliary LED also
4. The Lead acid miner lamp can operate meanwhile are being charged on the socket.

Main technical specifications
1.Rated capacity 5Ah
2.Nomial voltage 3.7v
3.Lighting times more and equal 17
4.LED light source
a. Rated voltage 3.3v
b. Current of main light source 300MA
c. Current for auxiliary light source 110MA
5.Maxi lightness at 1M
a. Begin lighting 1300LX
b. Lighting 11 h 900LX
6.Weight 490g
7.Nos of battery cycle  more and equal 500 times