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EXTENDING THE LIFE OF YOUR RECHARGEABLE LITHIUM ION BATTERIES

Most lithium batteries that are used in consumer products are designed with a life expectancy of between 300 and 500 discharge/charge cycles.  However, it is important to note that many usage factors can both extend or decrease the life of a lithium battery.

General guidelines to get the longest life & capacity from Lithium Batteries

• Do not fully discharge - lower depth of discharge decreases battery life.

• Do not fast charge - this will decrease battery life

Additionally:

• High temperature operation will lower battery life

• High temperature storage will lower battery capacity

• High state of charge storage will lower battery capacity

• High load discharges will lower cycle life and battery capacity

• As cycle life nears its end, peak discharge rates are reduced

So  what does this mean to you?

• If you can avoid it, don’t fully discharge your devices before recharging them.

• If you have a choice of charge rates, use the slower rate if possible.

• Avoid exposing, storing or using your devices in high temperature environments (over 50C)

• If not using your devices for an extended period of time, store them at between 40% and 50% charge in an environment below 25C, but not freezing.

• If you have more than one battery for your device, use all batteries evenly to distribute the life across all batteries.

• Lithium batteries have no memory - this was unique to the old nickel cadmium batteries

• Lithium batteries can be left on charge and in general don’t suffer rapid self discharge.

• to be extra safe, do not leave lithium batteries on high capacity chargers unattended.

• Never use a physically damaged lithium battery.

• Never short circuit a lithium battery.

• Never put a lithium battery in a fire

 

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