
GL300W External Battery Kit User Manual
GL300WEBKUM001
-10-
3.2.
Interfaces
3.2.1.
VBAT IN Interface
The external battery should be connected to 4-pin connector which used as VABT IN interface of
PCU. The pin description is shown in Table 4.
Figure 3: VBAT IN Interface
Table 4: VBAT IN Interface Reference
Pin Number
Description
1
GND
2
GND
3
Power(3.4V
~
4.2V)
4
Power(3.4V
~
4.2V)
1
2
3
4
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