L21M3PD5 L21L3PD5 L21C3PD5 L21D3PD5 46.5Wh Laptop Battery for Lenovo ThinkBook 14 G4+ IAP 21CX0036MJ 21CX000GUK 21CX001LMZ 21CX001NSP 21CX000FRM 21CX001FMH 21CX001NMB Series SB11E40205 SB11E40208

Important note :
Before purchasing, could you please open your laptop case and confirm your original battery model number, According to battery image, and make sure that's what you need.
How to use the battery correctly :
1. To prevent safety issues from transportation, all battery out off factory are charged 40-50%,(you can check from laptop Battery indicator icon). For initial using of the battery, please discharge it to 5%(not to 0%) and then charge to 100%, and cycle 3-4 times to activate the batterys maximum capacity.
2. Please recharge immediately when battery reduced to 15% level,when you use the battery. Or it will shorten the battery life and cause damages to the battery.
3. If the battery do not use for a long time, please keep the battery to charge to a minimum 50% electricity. Or, it will maybe cause unable to charge again.To maintain the best battery state,replacement battery needs to be fully discharge to 15% and recharge to 100% each 2 month.
4.Do not unplug the battery during charging , better to turn off the laptop when recharge the it.
5.If your laptop cant be charged or cannot be fully charged,there may be possibilities that the adapter does not compatible with the laptop or theres some damage with the adapter. Please switch off your laptop and try again or change to a correct adapter.
6.The battery usage time is related to factors such as the CPU processor speed, application, program, screen brightness, wireless device external ports, and battery life of the laptop, so the actual usage time of the battery may differ from that of the same model of battery.