EFEST PURPLE 26650 4200MAH 50 AMP 3.7V LI-MN HIGH DRAIN FLAT TOP SUB OHM BATTERY

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NEW 2016 Efest Batteries

NOTE: THESE ARE METALLIC PURPLE NOW

These are the new version of the Efest IMR 4200 mAh battery.  They will really pump out the high current at 35A continuous, 50A pulse, and 4200mAh total capacity.  These efest 26650 batteries have been awesome in our testing, being able to handle some serious current while going at it for a long time.

  • Size: 26650 (26.22mm diameter x 65.11mm long)
    • Note these seem to be ~67mm long despite the Efest spec, make sure your device has the space for them
  • Type: Li-Mn IMR (Rechargeable)
  • Rated Capacity: 4200mAh 
  • Max Discharge Current (Continuous): 35A
  • Max Discharge Current (Pulse):  50A
  • Voltage:  3.7V
  • Protected: No
  • Style: Flat Top
  • Weight:  100g 
  • Initial Impedance:  13Ω (plus or minus 2Ω)
  • Color: Purple
  • Rated storage temperature:  20-60 C

 

Battery safety is very important.  Mistreated batteries can get extremely hot and/or vent which could cause injury.  Always follow the following rules to make sure this doesn't happen.  We are not liable for mistreated batteries.

 

  • Never completely discharge batteries (below 2.5V under load or 3V unloaded).
  • Charge fully (to 4.2V) before first use.
  • Never use a lot of force on the battery to install
  • Use only high quality battery chargers.
  • Do not expose to heat.
  • Do not connect the positive contact to the negative contact without an appropriate load.  
  • Be mindful of the current limits in the specification and never exceed them.
  • Never keep a spare battery loose in a pocket, purse, etc.  Always use protective cases for loose batteries.  If it shorts against a piece of metal it can be very dangerous.
  • Never charge battery 4.3V or above.
  • Do not charge unattended.
  • Do not store your li-ion batteries fully charged for an extended period of time (weeks or more)
  • If you must store battery then do it in a case or individual box in cool and dry place at approximately 3.6V - 3.7V.
  • Never try to charge or discharge li-ion batteries with battery chargers that are not made for Li-ion batteries. 



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