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Posted on 6th Sep 2010 @ 9:05 PM
If your battery powered lawn and garden tool isn’t going to be used for a while, you should remove its Lithium-Ion battery, if possible. Even if the battery can’t be separated from the tool, it should be stored in a cool environment at about one-half charge. Cool temperature is recommended because that can slow the natural discharge that batteries will undergo even when they’re disconnected from their device.
Some manufacturers recommend spare batteries to extend the operating time. Buying spare Li-Ion batteries may be costly since batteries start degrading as soon as they’re manufactured. Usually those spare batteries spend most of their time sitting in a charger, losing useful life. If you need extended operating run times, some tools make available an adapter cable to convert to regular electrical power for continued operation.
Heat can overexcite the chemicals in your battery, shortening its overall lifespan. In fact, it’s been speculated that the biggest cause of early battery expiration is the heat that batteries can be exposed to when they are left out in the sun. Lawn mowers — especially black plastic battery cases — can get very hot when they are running. That is hot enough that extended exposure will negatively affect your battery. If you want to be really protective, there’s nothing saying that you can not remove the battery if you are not going to be using it for a while. There may be times that you can’t help but expose your battery to heat if you live in a warm climate. You can, however, try and reduce the problem. Make sure your lawn and garden tool is stored in a well ventilated area and that you are not leaving it on a hot surface.
Proper storage can prevent having to replace the tool next Spring!