6.Battery Pack and Charging Mode
Battery pack
There are three battery specifications (72V48Ah, 32Ah, 30Ah) available for CAOFEN electric motorcycles. Unique fully submerged liquid cooling
and heat management solution is adopted for 72V48Ah and 72V32Ah batteries, greatly guaranteeing the safety and service life of the battery.
Liquid cooling technology of battery:
● CAOFEN's unique fully submerged liquid cooling and heat management solution in the industry
● IP67 battery module is fully submerged in the compound environment-friendly liquid cooling solvent. The solvent with high specific heat capacity
is conducive to rapid heat dissipation and heat balance of the battery. The typical temperature difference is not more than 2 ℃ so as to maintain the
consistency of cell temperature and effectively extends the battery service life.
● Internal power battery system, BMS and other electrical components are all covered with liquid "safety film" and arranged in flame-retardant ABS
frame structure, and the battery cells are all kept independently insulated in all directions. A flexible shockproof EVA is placed between the two cells,
with coolant flowing in the middle to isolate water and air, providing a different guarantee for battery safety and creating a larger time window of life
safety in extreme cases.
● The cell is gold-plated to ensure sufficient current capacity and 5,000 times of plugging and unplugging. The terminal is designed to be locked,
namely it can be locked in place to ensure full contact under all working conditions. Special machining technology allows the motorcycle to meet the
IP68 waterproof and dustproof requirements.
● The low-temperature charging system (0 to -40℃) is capable to charge the battery anytime and anywhere in case of emergencies, and prevent the
cell from dangerous charging at low temperature.
● The magnesium alloy case has superior strength protection and excellent heat dissipation performance. The weight of the case is 1/3 less than that
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of the aluminum alloy case of the same volume and 1/5 of the weight of the steel case, enabling the motorcycle to have more endurance mileage.
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