Content :

The multi-type 18650 cylindrical steel shell battery pack has a long service life and can meet 500 cycles; the internal resistance of the battery core is small, the low temperature and the rate performance are excellent, and the maximum 5C discharge can be satisfied; the safety performance is good, and the explosion-proof pressure relief valve is provided, which can be used in electricity. Break the circuit under the condition that the internal pressure of the core is too large to prevent the explosion of the battery core