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 NEW
Our charger is improved to be with DC6-30V charging function NEW 2008-11
make your personal logo in the lamp NEW 2008-10

mineral lamp >>
LED miner's lamp NEW 2008-6
charger rack NEW 2008-6
NWB-15 Portable Charger NEW 2008-6

Charger >>
KCLA series charger rack NEW 2008-6

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)

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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

Li-ion mineral lamp, also call Miners Lamps, Mining Lamps, LED safety lamps, safety lamps, etc
(Enlarge and see more details by clicking the photo)

LED miner's lamp (LED cap lamp, LED safety lamp) NEW (2008-6)
The innovatively designed KL5M LED Li-ion Cap Lamp combines the latest lighting and battery technologies to result in a brighter and lighter cap lamp. Using lithium-ion technology in conjunction with a purpose designed LED the cap lamp is designed in accordance with the Restriction of Hazardous Substances Directive (RoHS). The KL5M is not only much smaller and ergonomically designed for wearer more comfortable than the traditional lead acid cap lamp, and they are one third of the weight at only 0.6kg. The use of lithium-ion technology also removes numerous hazards associated with the use of lead acid style batteries. Unlike traditional lead acid batteries, lithium-ion contains no dangerous chemicals or heavy metals and requires no maintenance such as topping up of acid. The KL5M significantly reduces cost of ownership with no requirement to replace bulbs and a service life three times longer than lead acid batteries. The cap lamp is also intrinsically safe and CE Certified (EN60079-0:2004, EN62013.1:2002, EN50020:2002, EN50033:1991) for use in explosive atmospheres. The KL5M was first introduced to the market in 2003 and has undergone constant refinements and improvements. The cap lamp is designed to withstand the harshest underground conditions and is manufactured from impact and temperature resistant Makrolon plastic material. The KL5M when fully charged holds its charge until use and will provide 15 hours of continuous light. To prolong the life of the cap lamp battery, the Lithium-ion battery has an over charge protection system that will automatically cut off the circuit to protect the battery from being over charged. Additionally, there is an automatic power off in the cap lamp so that if the surface of the lamp or the LED is broken it will automatically turn the power off for protection. The 2007 version of the KL5M LED Li-ion Cap Lamp has many improved features from its predecessor. A purpose designed LED with an upgraded antistatic capacity provides luminous flux of 90-110lm and increased brightness at 7,000-10,000lux. A new radiator in conjunction with the purpose designed LED has significantly reduced the amount of heat experienced at the glass. In addition, the cap lamps flood and spot light settings are operated by an upgraded push button. As an added safety feature the cap lamp now also incorporates a low battery warning with the last hour of discharge flashing every 5-10 seconds to warn the user. And the version 2008 is mainly improved base the version 2007 to make the lamp absolutely water proof and better usage with the button switch. The KL5M LED Li-ion Cap Lamp has set a new standard in reliability and safety for miners cap lamps. NOTE: we have patent of the lamp design, the patent No. is ZL 2006 3 0176325.1
Product Features:
Safety: Contained in a sealed battery case, the product has a short-circuit protection, LED light head lamp and anti-static housing which makes it explosion proof. The miner's lamp is CE Certified for use in explosive atmospheres such as coal mines.
Reliability: Tough housing, optimized design, a solid LED light that uses high efficient IC drivers guarantee the product is durable and strong. The durable Li-ion battery has an over charge protection system to protect the battery from over charging. The cap lamp is suitable for operation under harsh mining conditions.
Portability: Small in size, light in weight, ergonomically designed, maintenance free, simple charging, easy operation. The cap lamp has received praise from many miners and major mining companies.
Efficiency: LED light provides bright, clear, white light. The minimum luminous intensity is 7000-10000lux (at a distance of 1m). The quality of the light is maintained throughout the entire discharge cycle which lasts up to 15 hours. The battery has a life cycle of 1200 charges and discharges.
Environmental: The cap lamp is made from environmentally friendly Li-ion battery and other non hazardous materials. The KL5M is an environmentally friendly product as per RoHS Directive.
Economy: The cap lamp incorporates an environmentally friendly LiMn2O4 battery as a power source. The light is an efficient, high powered LED with a service life of over 30,000 hours. With no need to replace incandescent globes the KL5M eliminates the cost of labor and replacement parts associated with traditional lead acid batteries.
Size: 76x31x79mm(size of the Li-ion battery), 0.6kg

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

NWCR-12,  NWCR-24, NWCR-36,  NWCR-60, and NWCR-102  charger rack NEW (2008-6)

a. compact module designed, small size, easy packing and shipping, can unite bigger charger rack with 2pcs or 3pcs to be 24units or 36units charger rack.
b. we apply the advanced switching power supply design, no power supply transformer; automatically complete the charging process, easy controlling and maintenance, save time and resource, save cost, bring the mine good economy benefit.
c. to watch and control with each unit individually. Automatically transform from constant current to constant voltage; and to watch and control with the voltage and current continually, automatically stop charging when watch with the full capacity.
d. the charging it is high efficiency and save energy with a little rise of the temperature in the Li-ion battery. So it is better for longer the life of the lamp by using our charger equipment.
e. special circuit design makes it fit for wide range voltage input, require lowly for the power quality, can well work in the fluctuate power net.
Technology index:
1. Input: AC110V-240V, 50-60Hz
2. Output: DC 4.30 0.05V, 1500mA 150mA in each unit.
3. Working style: continuously


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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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