our li-ion battery is rechargeable for more than 1200 times! 

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New Wisdom li-ion battery New Wisdom LED cap lamp
NEW WISDOM INVESTMENT LIMITED   
Mirror Sites:
www.li-ion.net
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A Glossary of Battery Terms
About lamp special vocabulary comparation list
Battery Energy Density
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Charging lithium-ion batteries
Discharge methods
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Future battery
history mineral lamp
How charge
Industrial Standard Cylindrical Battery Sizes
lithium-ion the ideal battery
Rechargeable able Battery
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mineral lamp >>
LED miner's lamp NEW
KL8M mineral lamp
KL8M The old lamp (left) compare with our li-ion battery lamp (right)
Charger >>
GWB-15 Portable Charger
KCLA series charger rack
KCLA-12A module compact style charger rack
ZLCD-34 charger module to reborn the old rack
LED miner's lamp also call:
LED cap lamp
LED safety lamp
LED mining lamp
KL5M LED mineral lamp

complete specification PDF format
NEW WISDOM Miner's lamp booklet(950k)
NEW WISDOM KL5M LED Miner's lamp booklet(380k)
NEW WISDOM KL8M Double filaments Miner's lamp booklet(450k)
NEW WISDOM GWB-15 Portable charger booklet(400k)
NEW WISDOM KCLA series charger rack booklet(350k)
NEW WISDOM ZLCD series charge module booklet(450k)

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Frequently Asked Questions:
Answers of frequently asked questions to miner's lamp

Sample policy:
Samples fee is usd98 for one piece, it is prepaid in advance for lamp sample. Please offer your express account for us to send you the samples. such as DHL, FEDEX, UPS, and TNT etc. So that you're able to receive the samples ASAP.

Remittance Route
Battery Energy Density
The outstanding feature of lithium battery is the high energy density, that is, the high energy of per unit of weight or volume. The gravimetric energy is shown by wh/kg and volumetric energy density by wh/l. wh -the unit of energy, w refers to voltage, and h refers to hour; kg is kilograms (the unit of weight) and L is liter (the unit of volume). For instance, the rating voltage of 5# nickel cadmium cell is 1.2 V, the capacity is 800mAh, while the energy is 0.96Wh(1.2V0.8Ah). In contrast, as for the 5# Li-MnO2 battery of the same size, the rating voltage is 3v, the capacity 1200mAh and energy 3.6Wh. Although the two batteries have the same volume, the energy of the latter is 3.75 times that of the former.

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Address: 4-306, Xianglixincuen, Hongli West Road, Shenzhen, China
TEL:86-755-83911841 86-13316919837  86-13332985903   POSTCODE:518034   Contact person: Tom Ding;  Mary Deng
FAX:86-755-83906115 EMAIL: info@wisdom.hk


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