Keeppower RCR123A 16340 800mAh, 3,6V - 3,7V Li-ion battery protected The rechargeable battery is a very good replacement for your batteries, by charging it up to 500 times it protects the environment and your wallet. The Keeppower RCR123A can replace the following battery variants: CR123 A, CR123 R, R-CR123, CR17335, CR17345, DL123A, EL123AP, K123LA, L123A, ARB-L16-700. Keeppower lithium-ion battery with BMS protection electronics. Developed for the areas: flashlights, LEDs, model making, surveillance cameras, photo equipment, etc. Protection/PCB with short circuit, overcharge and deep discharge protection. Seiko (Made in Japan). Developed for the areas: flashlights, LEDs, battery mods, etc. capacity 850 mAh Minimum capacity 800mAh nominal voltage Analog output signals for the voltage range of 3,6V - 3,7V. end-of-charge voltage 4,2V ± 0,05V end-of-discharge voltage 2,70V positive pole raised (button top) Max discharge current 2C = 1,7A Chemistry LiCo (ICR) Protection circuit PCB integrated up to 4A load loading procedure CC CV Diameter 16,60mm ± 0,15mm Height 34,10mm ± 0,15mm Weight 18,5 g ± 1 g Data sheet RCR123A.PDF Safety Instructions: Please note: The RCR123A 16340 Li-ion battery and the non-rechargeable variant CR123A batteries differ in voltage. The RCR123A is fully charged at 4,2V with the non-rechargeable battery at 3V. Important: Only use this 3,7 volt Li-Ion battery in devices that are expressly suitable and approved for the use of 3,7 volt Li-Ion batteries. Please note that removing or damaging the protective electronics (PCB) can lead to a short circuit, fire or explosion. Other features include: Lithium-ion batteries are thermally stable and are not subject to any memory effect. They work on the basis of lithium and are characterized by a high energy density.