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
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Recent news of the technical of the lamp
Our charger is improved to be with DC6-30V charging function
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mineral lamp >>
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Charger >>
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charger rack
KCLA series charger rack

LED miner's lamp also call:
LED cap lamp
LED safety lamp
LED mining lamp
KL5M LED mineral lamp
KL5M LED Head lamp
KL5M LED Headlamp
KL8M The old lamp (left) compare with our li-ion battery lamp (right)

complete specification PDF format UPDATED IN JUNE 2008.06
NEW WISDOM Miner's lamp booklet(1.3M)

li-ion battery >>
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Frequently Asked Questions:
Answers of frequently asked questions to miner's lamp

Knowledge >>
A Glossary of Battery Terms
About lamp special vocabulary English/Chinese list
Battery Energy Density
Battery FAQ
battery knowledge
Battery statistics
Battery Tips Contents
Charging lithium-ion batteries
Discharge methods
Discharging temperature
Future battery
history mineral lamp
How charge
Industrial Standard Cylindrical Battery Sizes
lithium-ion the ideal battery
Rechargeable able Battery
the best battery
When was the battery invented

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

NWB-15(GWB-15) li-ion battery mining lamp Portable Charger

NWB-15(GWB-15) portable charger NEW (2008-6)
The NWB-15 (GWB-15) Portable Charger is a desk top charger specifically suited for the KLM5 LED Li-ion Cap Lamp. The charger provides the user with the ability to charge the cap lamp from a standard power outlet. It is small in size, light in weight, and convenient to carry. The newly designed NWB-15 (GWB-15) Portable Charger is more reliable than previous models and has a simple, sleek finish. The circuit board design has been optimized and improved to increase safety and reliability. The chargers shell is made from high quality aluminum alloy. The NWB-15 (GWB-15) is CE Certified for European Union standards.
Usage Guide:
1. The charger is compatible with most standard power outlets; the charger is supplied with an input voltage of 85- 265V and a frequency range of 50-60Hz.
2. Outlet plugs can be supplied for US, EU, UK and AU standards.
3. Connect the outlet plug to the power outlet; the charger indicator light will turn green to indicate the presence of power.
4. Place the cap lamp head into the plug of the charger; turn 180 degrees clockwise until the anode contacts with the chargers cathode; the charger indicator light will turn red to indicate it is charging.
5. Once charging is completed the charger indicator light will turn green. The charging time is approximately 6-8 hours.
The NWB-15 (GWB-15) Portable Charger requires no maintenance if used correctly under standard operating conditions.
Charging Theory:
The Lithium-ion battery makes use of both constant current and constant voltage charging methods. The charging current is 1500mA 150mA; voltage is 4.30V 0.05V with an approximate charging time of 6-12 hours. The circuit is designed with a steady state charging and control system which automatically regulates the charging process. The circuit we design is near the theory charging for Li-ion battery. For a discharged battery a constant current charge is employed at 1500mA 150mA (the charger indicator light is red). When the charging voltage reaches 4.30V, the battery switches to a constant voltage charge (at this point the battery is approximately 70% charged) and the current gradually decreases. When the battery is sufficiently charged it automatically cuts off the circuit to protect the battery from over charging (the charger indicator light is green). Note: It is not necessary to wait until the battery is completely discharged before charging. Charging can be undertaken whilst the battery is at any capacity and it actually prolongs the life span of the battery if charging is completed prior to complete discharge.
Major Technical Specifications:
1. Input: AC85-265V, 50-60Hz
2. Output: DC4.30 0.05V, 1500mA 150mA
3. Size: 125 x 55 x 80mm; weight: 0.3kg
4. Plug: US, EU, UK or AU standards for different markets

NWB-15 li-ion battery mining lamp Portable Charger theory diagram

NWB-15 li-ion battery mining lamp Portable Charger

NWB-15 li-ion battery mining lamp Portable Charger

the lamp of old version of before

GWB-15 li-ion battery mining lamp Portable Charger

portable charger for LED mining safety cap lamp with European style cable(optional)


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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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