1 Yes, the Hetron z03 can only be charged to 90 percent.
2 This is because Hetron z03 uses lithium battery technology, and certain charging rules need to be followed when the battery is charged to ensure battery life and safety.
Among them, charging to about 90% is the best state, overcharging or over-discharging will affect the battery life.
3 In addition, for daily use, charging to 90% is enough to meet daily needs, can effectively extend the battery life, but also reduce the time required for battery charging.