TGB Blade 250 ATV Quad Service Repair Manual, Page 197Get this manual
17ELECTRICAL SYSTEM Battery
Removal
Remove the seat, and then you can see the batteryDisconnect the negative cable terminal first, then the positive cable terminalRemove the battery clamp, and then remove batte ry
Voltage Check
Use the digital voltmeter to check the voltage of the batteryVoltage: Fully charged: 13.0-13.2 at 20 Undercharged: Below 12.3 at 20
Charging
Connect the positive terminal (+) of the charger to the battery positive terminal (+)Connect the negative terminal (-) of the charger to the battery negative terminal (-)Standard Maximum