Do Lithium Batteries Lose Charge When Not In Use. As the battery loses capacity the length of time it will power the product run time decreases. Rechargeable batteries lose a percentage of their charge each day when left off the charger.
An LFP Li-Ion battery on the other hand normally has a charging rate of between 5 to 8 C. No matter what type of battery it is or what material it is made of it will drain the charge even when not in use. Even if your battery powered object is unplugged the battery is still slowly discharging energy.
Two to three year life expectancy for batteries that do not run through complete charge cycles.
Alkaline batteries can last much longer in storage. Lithium-Ion batteries continue to slowly discharge self-discharge when not in use or while in storage. But according to research by the US. Routinely check the batterys charge.
