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1.2 Precaution Before Using Battery

- Do not leave batteries unused for extended periods of time, either in the product or in

storage. When the battery has been unused for 6 months, check the charge status and

charge or dispose of the battery as appropriate.

- The typical estimated life of a Lithium- Ion battery is about two to three years or 300 to

500 charge cycles, whichever occurs first. One charge cycle is a period of use from fully

charged, to fully discharged, and fully recharged again. Use a two to three year life

expectancy for batteries that do not run through complete charge cycles.

- Rechargeable Lithium- Ion batteries have a limited life and will gradually lose their capacity

to hold a charge. This loss of capacity (aging) is irreversible. As the battery loses capacity,

the length of time it will power the product (run time) decreases.

- Lithium- Ion batteries continue to slowly discharge (self- discharge) when not in use or while

in storage. Routinely check the battery's charge status. The user manual typically includes

information on how to check battery status, as well as battery charging instructions.

- Observe and note the run time that a new fully- charged battery provides for powering your

product. Use the new battery run time as a basis to compare run times for older batteries.

The run time of your battery will vary depending on the product's configuration and the

applications that you run.

- Routinely check the battery's charge status.

- Carefully monitor batteries that are approaching the end of their estimated life.

- Consider replacing the battery with a new one if you note either of the following conditions:

- The battery run time drops below about 80% of the original run time.

- The battery charge time increases significantly.

- If a battery is stored or otherwise unused for an extended period, be sure to follow the

storage instructions in this document. If you do not follow the instructions, and the battery

has no charge remaining when you check it, consider it to be damaged. Do not attempt to

recharge it or to use it. Replace it with a new battery.

- Always follow the charging instructions provided with your product. Refer to your product's

user manual and/or online help for detailed information about charging its battery.

- Charge or discharge the battery to approximately 50% of capacity before storage.

- Charge the battery to approximately 50% of capacity at least once every six months.

- Remove the battery and store it separately from the product.

- Store the battery at temperatures between 5 °C and 20 °C (41 °F and 68 °F).