⑨
SLOT 2: Selecting this icon, the battery icon will be red, and green when
not selected. If no battery detected, the icon shows NULL.
⑩
SLOT 3: Selecting this icon, the battery icon will be red, and green when
not selected. If no battery detected, the icon shows NULL.
⑪
SLOT 4: Selecting this icon, the battery icon will be red, and green when
not selected. If no battery detected, the icon shows NULL.
⑫
Internal Resistance Test: Click the icon to enter the internal resistance
test interface. As the following figure shows: