Lithium ion batteries for toy cars GB/t36972 standard

The maximum output voltage of the toy car battery should be less than or equal to 12V;
2. Clearly require that the maximum mass of electric toy cars should not exceed 15kg (including batteries);
3. The battery is fixed in the battery pack box. The battery and battery pack box should be reasonably matched, and the installation positions of the battery pack box and battery pack box should be reasonably matched to prevent changes in battery capacity or voltage;
4. The maximum gap between the battery and the side wall of the battery pack box should be less than or equal to 30mm and not shake