To install the 12V battery, carefully read the following instructions.
To prevent damage to the parts, connect the 12V battery cable to the positive terminal first.
After connecting 12V battery cables, to securely supply 12V battery voltage, ensure that they are tightly clamped to 12V battery terminals for good contact.
To securely supply 12V battery voltage, check 12V battery terminal for poor connection caused by corrosion.
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