PC C21N1509 4840mAh Bateria High Capacity Replacement Backup Battery For ASUS Notebook X Series X556UF X556UR X556UV FL5900U A556U

4840mAh Replacement Battery C21N1509 For ASUS Notebook X Series X556UF X556UR X556UV FL5900U A556U

Common knowledge of battery usage
1. When you receive the battery, charge and discharge it 5-10 times, and the battery capacity will reach its maximum.
2. Do not over discharge or do not use for a long time, as the battery is prone to bulging.
3. Do not keep the battery in a low battery state for a long time, as it may shorten its lifespan. If the battery level is below 20%, please charge it promptly
4. Do not play with your phone while charging, as the battery life will be shortened and unsafe.
5. Low temperatures can cause battery bulges.
6. Do not use inferior chargers to charge the battery to avoid damaging it.
7. Do not leave the battery in the charger for too long.
8. Do not disassemble or change the structure of the battery.
9. Please do not remove the battery label.