A growing number of electronic devices use 26650 Li-Ion batteries. Larger flashlights are using the 26650 battery to power current hungry LED bulbs, and to provide longer standby time when not in use. Previous rechargeable battery flashlights had to be left on the charger almost all the time so that it would be ready to use in a moment's notice. This PKCELL 26650 5000 mAh Li-Ion battery can be left off the charger for months and still have over 90% of its charge.
PKCELL Flat Top 26650 3.7V 5000mAh Rechargeable Li-Ion Battery
Batteries Products Category on Adafruit Industries
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A growing number of electronic devices use 26650 Li-Ion batteries. Larger flashlights are using the 26650 battery to power current hungry LED bulbs, and to provide longer standby time when not in use. Previous rechargeable battery flashlights had to be left on the charger almost all the time so that it would be ready to use in a moment's notice. This PKCELL 26650 5000 mAh Li-Ion battery can be left off the charger for months and still have over 90% of its charge.
PKCELL 5-Pack 26650 5000mAh Li-Ion Flat Top Rechargeable Battery