T/GDBIA 02-2023 Lithium-ion battery for electric bicycles: Usage and maintenance guidelines

Scope

Main technical content: 5. Charging requirements 5.1 When the battery discharge depth reaches 50% to 80%, it is recommended to charge the battery. 5.2 When the red low-voltage indicator light on the electric bicycle dashboard comes on, the battery should be charged promptly. 5.3 The battery should be centrally charged at a safe charging station with automatic current monitoring and intelligent power-off functions, and good ventilation should be maintained during charging. The battery should not be charged in public areas such as indoor spaces, stairwells, or fire exits. 5.4 The charging environment temperature should be between 0°C and 45°C. Otherwise, measures should be taken to insulate or cool the battery. During charging, there should be no open flames, high-temperature heat sources, or flammable or explosive substances nearby. The battery should not be exposed to direct sunlight or charged until the temperature has dropped to the specified level. 5.5 After using the battery for riding, it is recommended to let it rest for at least 30 minutes before charging. 5.6 The charging method is to use a charger that meets Requirement 4.2 to charge the battery. When the charger indicator light changes color (indicating that the battery is fully charged), the charger should be removed promptly. Note: 1. When charging the battery, the charger output port should be inserted into the battery charging port first, and then the charger input port plug should be inserted into the mains socket. After charging, the charger input port plug should be removed from the mains socket first, and then the charger output port should be removed from the battery charging port. 2. When the ambient temperature exceeds 30°C, the battery may reach temperatures above 40°C during charging, and the charger may malfunction due to thermal effects, resulting in the indicator light not changing color and the battery not being fully charged. Therefore, regardless of whether the charge

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