Capacity for this battery with a maximum of 3000 mAh is hardly credible.
With this battery specifically given maturity values my Fenix and NiteCore LED Flashlight only be achieved at a fraction. This applies to the highest as the lowest light levels. Have several batteries of this type. Positive I can not tell, despite good will.
The stated capacity is therefore likely to experience, significantly below 2000 if not even be 1500 mAh. Experience shows that the capacity variation within the brand enormously and the details are very exaggerated.
The weight is well below 30 to 26g. Good batteries weigh 40-49g.
Unfortunately allow current, usually very inexpensive chargers designed by missing microprocessor and display no readout of the actual capacity.
High capacities are technically questionable especially with manufacturers or distributors such cheaper battery. Maximum capacity of manufacturers such as Panasonic, etc. ENERPOWER be about 3100-3400 mAh and cost per piece at least 18-20, -. Everything else is great deceptive.
The batteries of type 18650 are mostly used as a substitute for two CR123A Lihium special batteries for high-quality LED flashlights or cameras. To a large extent are the LED flashlights German, American or Chinese production like Fenix.
CR123 lithium batteries have the advantage of almost complete insensitivity even at high subzero temperatures and high current output. Devices with this type of battery can be stored safely at temperatures below zero and used without notable losses for years.
As substitutes to just offer called batteries, but can not be used completely in this wide temperature range, a relatively low self-discharge.
Since LED flashlights are often designed with high power consumption of the chips for CR123A, which can be quite expensive in the regular and long-term operation by the retail prices of CR123A, using 18650 battery is good and worth considering choice.
Although the voltage at 18650 batteries on average only 3.7 volts, two CR123A but is 6 volts, like the often existing electronic control in LED flashlights from about 30-50, - without restrictions in luminosity and endurance easily made.
Unfortunately just have cheapest LED flashlights no electronic control, which would leersaugen the batteries if not avoided completely and inevitably destroy.
For existing doubts or beginners in the field of battery technology, I therefore always advise to constant control measurements with a multimeter, which, from 15-20 - is available in reasonable quality. With green charging indicator light, the battery should be removed and have a voltage of about 4.2 volts.
Trickle charging, for example, overnight or uncontrolled is not advisable at the many available cheap chargers and should be avoided for safety reasons. A forget these few rules can just run in combination with With Cheap batteries and / or chargers unexpected results.
Addendum on 01/06/2013
Low power output this battery. Fenix TK15 on after a few seconds of flickering by several steps down though the measured voltage to charge for about 4.07 weight.
The manufacturer's runtime information can not be reached with this battery in the remotest and therefore the entire flashlight wherein the battery is used, no longer reliable.
Conclusion: These batteries do not buy. Are you not worth, benefits can not play the LED flashlights, subsequent purchase against good battery is foreseeable!
Thank you that you have read this far in the hope I could contribute something to your purchasing decision or general informational content. Have created the review to the best knowledge and personal experience only without external influences.
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