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   
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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
Industrial Standard Cylindrical Battery Sizes
Cell Size Diameter (mm) Length (mm) NiCad Weight (grams) NiMH Weight (grams)
A Size Batteries
AAAA 8.4 40.2 10 10
4/3 AAAA 8.4 67 12-13 13
1/4 AAA 10.5 14 2.5-3.5 2.5-4
1/3 AAA 10.5 16 5.5 5.5
1/2 AAA 10.5 22   7
2/3 AAA 10.5 30 6-8 8-9
AAA36 10.5 36   11
4/5 AAA 10.5 37   11
AAA38 10.5 38   11
3/4 AAA 10.5 39.5 12 12
AAA42 10.5 42   12
AAA 10.5 44.5 10 13
5/4 AAA 10.5 50 14 15
L-AAA 10.5 50 13 14
4/3 AAA 10.5 67 17 18
5/3 AAA 10.5 67 19 19
LL-AAA 10.5 67 17 18
3/2 AAA 10.5 67 19 20
6/4 AAA 10.5 67 20 20
7/5 AAA 10.5 66.5 15 15
7/4 AAA 10.5 76 19 20-21
7/3 AAA 10.5 80   23
SL AAA 10.5 80   23
1/3 AA 14.2 17.5 6.5 7
1/2 AA 14.2 30 12 15
2/3 AA 14.2 28.7 13-15 13-16
4/5 AA 14.2 43 20 22
AA 14.2 50 21 27
AA flat top 14.2 48 21 27
5/4 AA 14.2 64.5   29
L-AA 14.2 65 29 30
4/3 AA 14.2 65.2 30 30
7/5 AA 14.2 70 29 39
1/3 A 17 21    
1/2 A 17 25 17 21
2/3 A 17 28.5 18-20 20-23
4/5 A 17 43 26-31 32-35
A 17 50 32 40
4/3 A 17 67 50 55
L-A 17 67 48 53
7/5 A 17 70 44.8 56
Fat A 18 50 38 42
4/3 Fat A 18 67 56 60
L-Fat A 18 67 55 60
Sub C Size Batteries
1/2 SC 23 26 30  
2/3 SC 23 28 25 28
4/5 SC 23 34 38 42
SC (sub C) 23 43 52 55
5/4 Sub C 23 49.5 65-67 70
4/3 SC 23 50 60 66
L-SC 23 50 57 63
C Size Batteries
1/2 C 26 24 31 34
3/5 C 26 30 40 44
2/3 C 26 31 45 50
C 26 46 72 80
5/4 C 26 58 90 100
D Size Batteries
1/2 D 33 37 81-84 81
2/3 D 33 43.4 98-105 115
D 33 58 105-145 105-160
4/3 D 33 89 140-190 175
3/2 D 33 90.3 195-236 240
F Size Batteries
F 33 91.2 231 255
SF (super F) 41.4 89.1 393 425
Diameter & Length can vary as much as 0.1mm~1 mm between different manufacturers
Weight of a cell depends on manufacturer The purpose of the weight column is to give a feel for how heavy a cell will be. Your results may vary.

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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: tom@li-ion-battery.com  tom@n-wisdom.com  dingbp_szb@21cn.net


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