Charging The Battery Pack - Sony Alpha SLT-A37 Handbook

Charging the battery pack

When using the camera for the first time, be sure to charge the NP-FW50
"InfoLITHIUM" battery pack (supplied).
The "InfoLITHIUM" battery pack can be charged even when it has not
been fully depleted.
It can also be used when it has not been fully charged.
The battery pack is discharged little by little, even when you do not use it.
To avoid missing an opportunity to shoot, check the remaining battery level
before you shoot. If the battery level is low, charge it again.
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Insert the battery pack onto
the battery charger.
Push the battery pack until it clicks.
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