Efest IMR 14500 Li-Mn 3.7V 700mah V1

 

Test graphs reproduced by kind permission of  Torchythebatteryboy

Efest IMR 14500 Li-Mn 3.7V 700mah V1

Safe chemistry LiMN 3.7V rechargeable battery is now available in 14500 size. These cells can handle high amperage and is safe to use in series / multi-cell applications. Can be charge with any LiIon battery charger with 4.2V output.

Specifications:

Please Note these are Flat Top Batteries without the Nipple Version 1

Nominal Voltage : 3.7V
Capacity : 700mAH 
Lowest Discharge Voltage : 2.50V
Standard Charge : CC/CV ( max. charging rate 1.5A )
Cycle Life : > 500 cycles
Max. continuous discharge rate : 8C

Weight :  45g

 

Caution:
- Do not over-discharge/overcharge
- Recharge empty batteries ( resting voltage ~3.6V ) as soon as possible. Leaving LiIon batteries in discharged state will incur irreversible damage ( capacity / cycle loss )
- Do not short circuit ( will release tremendous current )
- Do not dispose of in fire.

Attention : These IMR cells have much lower internal resistance than regular LiIon 3.7V cells and they may end up with a higher ending voltage when charged in certain chargers ( especially older version WF-139 charger ). Please check the voltage of them right out of the charger to see if they are above 4.20V when fully charged with your charger. Overcharging above 4.25V may shorten life/cycles. Above 4.50V may even pop them or making them leak. DO NOT use the charger if it seems to overcharge IMR cells. 

 

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