I-Panda 40A Series Manual page 15

7.3 Types of battery can be set by function key.
Warning：NEVER disconnect the battery while charging.
This will cause permanent damage to the controller and is not
covered under the warranty. Always disconnect PV panels
first.
Step 1:
Press the function key for 3 seconds, then LCD will display types of battery.
Step 2:
Press the key to choose the type of the battery that you need. When you press the
function key once, LCD will display one type of battery.
Step 3:
After choosing the matched battery, you need press the function key for 3 seconds to
set types of battery.
7.4 MPPT and PC Connection
Step1: Overview: Access main interface as follows:
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