If you cannot charge the aircraft battery pack
All of the battery level LEDs on the battery pack may blink or stay turned off when the battery pack is first charged in cases such as the following. If this happens, remove the battery pack from the battery charger and then recharge it.
- Immediately after purchase
- The battery pack has been left for a long time.
- The battery pack has been left inserted into a device for a long time.
Note that if all of the battery level LEDs blink or stay turned off even when the battery pack is charged for a second time, a battery pack or battery charger abnormality may have occurred. Stop using them and contact your Sony dealer.