Baofeng BF-888S Manual - page 4
The new or stored (more than two months) battery pack, which can not
reach its full capacity for the first charging. After 2 or 3 times charging
and discharging, it can reach full charge.
Just see the following instructions:
1. Plug the adapter into an electric socket.
2. Insert the transceiver or battery into the drop-in charging tray.
3. Ensure that the battery’s contacts connect with the drop-in charging
tray properly, while the charging is taking place, the light will glow
red.
4.
After 3 hours charging, the LED indicator will light green which
means the full charge. Now remove the battery or the transceiver from
the drop-in charging tray.
NOTE:
Do not recharge the battery pack if it is fully charged. Doing so
may cause the life of the battery pack to shorten or the battery pack may be
damaged.
INSTALLING/REMOVING THE BATTERY PACK
The usage time of JL-11 Battery Pack is about 8 hours, which is based
upon 5% transmit/5% receive/90% standby (standard duty cycle). See
following images: