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li-ion 3.7v 18650 akku  3500mah with ROHS,  MSDS, UL, CE BIS ,KC approved, the following is the battery cell 3.7v ,if you  need other capacity cells or battery pack please contact with us .

Specification
 18650 3500mAh Li-ion Battery cell  and battery pack is available now!
 1.Protected 18650 Li-ion  Rechargeable Battery  
 2.Minimum Capacity: 3350mAh
 3.Typical Capacity: 3500mAh
 4.Normal Voltage: 3.7V
 5.Quality Li-ion  rechargeable cell made in Japan
 6.In Built Safety Circuitry
 7.Protection Circuit  (Against overcharge, over discharge, over current and short-circuit.)
 8.4.2 volts max voltage and  2.5 volts cut-off voltage
 9.Over 500 charge-discharge  cycles 

 1.Please charge this battery with a  quality li-ion battery charger before first use;
 2.Do not keep or use this battery in high temperature or humid  environment;
 Operating Temperature: Charge 0?~45?, Discharge -10?~60?
 Storage Temperature: -20?~60?
 3.Do not use this battery if there is weeping, bulging or any other  problem;
 4.Do not throw this battery into fire or water, or it may fire or  explode;
 5.Do not crush, hit or impact this battery;
 6.Do not disassemble this battery;
 7.Keep out of reach of children;
 8.Battery will be hot when it works, please take it carefully after use;
 9.If this battery has not been used for a long time(>3months), please charge it before using it again;
 10. If the electrolyte goes into eyes, please wash eyes immediately and go for a medical  treatment.  
 

li-ion 3.7V 3500 mah 18650 akku 3500mah