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Protected LG F1L 3350mAh Li-ion 18650 Button Top Battery

LG

  • $ 6.50

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This protected LG Chem INR18650F1L with button top is perfect for a light or other device needing a button top and lots of mAh capacity, for an even cheaper price than our very popular Protected NCR18650B .  We also carry the LG F1L flat top unprotected for people building battery packs (datasheet is also there).

The cell is made by LG Chem.  Our company then adds the very high quality Seiko PCB along with the button top in an ISO certified factory to all safety standards.  A clear wrap is put over the top to hold it together while still showing the LG wrap underneath.

Note we do not recommend this battery for most e-cigarette applications, the protection limits the cell to ~15W.  If you're 15W or lower and can fit a protected battery then this will work well.

Size:  18650
Diameter:  18.6-18.75mm (18.75mm where the protection connection wire is, 18.6mm everywhere else
Length:  68.7mm (not including button)
Length from bottom to tip of button:  69.6mm
Top Style:  Button Top
Protected:  YES
Capacity:  3350mAh
Voltage:  3.7V
Protection Cutoff Voltage:  2.5±0.05V
Protection Cutoff Current:  5-7A (usually about 6A)
Over Charge Protection Voltage:  4.325±0.025V
Origin:  Cell from South Korea, Protection/button manufactured in China

 

Warranty:  Satisfaction guaranteed, if your battery is DOA or you think there's a problem with it just let us know within 14 days of your order and we'll make it right.

 

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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