Sunstech CEL1 Manual Del Operador página 11

The usage of charger and battery
 Battery usage
This phone as a Li-ion battery. Before using the phone for the
first time, charge the unit for 4 hours to make sure the battery is
at its full capacity .
Warning : If is the charging time exceeds 6-8 hours can damage
the battery.
1）When removing, please act as follow, A: Remove the battery
cover, see as 3-3.
B: Take out the battery
Push and slide to up.
3-3
2）When installing, please act as follow. A: The metal contacts
must face each other and then press down the battery until it
settles. See as 3-4
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