Lenovo ThinkPad Edge E420s 4401 ASM 42T4930 FRU 42T4931 42T4931-42T 440128U 440129U 42T4928 42T4929 compatible Laptop Battery

We offer delivery to Dubai, Abu Dhabi, Al Ain, Sharjah, Ajman, Ras Al Khaimah, Fujairah, Umm Al Quwain, UAE, Saudi Aribia and Oman

Same Day Delivery available for Dubai, Sharjah and Ajman

1. Before normal use of the new battery, discharge the capacity to about 10%, then fill the cycle 3-4 times. Be careful not to discharge to 0%. This will make the battery more fragile.

2. When using the battery, recharge it immediately when it runs out. If you do not charge the battery for a long time, the battery may be damaged, so be careful with exposure and moisture.

3. Do not disassemble, crush or puncture the battery. Do not throw the battery into fire or water.

4. If you do not use the battery for a long time, you need to charge it 70% or more and store it, the storage period should not exceed 3 months, and if you do not use it for more than 3 months, you need to fill the power.