Yard force AQUAJET Original Instructions Manual page 27

MAINTENANCE AND STORAGE
Battery maintenance
Use the following procedures to achieve the best battery life:
1. Protect the battery against moisture and water.
2. We recommend to store the battery only within temperature range of 5 ℃ to 45 ℃ . Do not
leave the battery in direct sunlight for extended periods of time.
3. Clean the battery regularly with a soft, clean and dry brush.
4. If you do not use the product for a long time, remember to charge and discharge the
battery pack once every 6 months.
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