Sony PS3 CECH-2003B Instruction Manual page 51

Wireless controller battery
Caution
 If you come into contact with material from a leaking battery, take the
following actions:
– If the material gets into the eyes, do not rub. Immediately flush the eyes
with clean water and seek medical attention.
– If the material comes into contact with the skin or clothes, immediately
rinse the affected area with clean water. Consult your physician if
inflammation or soreness develops.
 Do not allow the battery to come into contact with fire or subject it to extreme
temperatures such as in direct sunlight, in a vehicle exposed to the sun or
near a heat source.
Wireless controller battery life
 The battery has a limited lifespan. Battery duration will gradually decrease with
repeated usage and age.
 Battery life also varies depending on the storage method, usage state,
environment and other factors.
Storage
When the wireless controller is not used for an extended period of time, it is
recommended that you fully charge it at least once a year in order to maintain
battery functionality.
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