Cheap Lenovo 42T4690 Li-ion Battery, 42T4690 Replacement Battery for Lenovo ThinkPad T400s T410s
3900mAh/44WH/6Cell 11.1V for Lenovo ThinkPad T400s T410s ,Lenovo 42T4690 Li-ion battery is a new brand and it is compatible with 100% original and replacement battery. Wholesale and retail of Lenovo 42T4690 battery is of high quality and low price！lenovo 42T4690 Battery Li-ion 11.1V 3900mAh/44WH/6Cell
Specifications:- Brand:Lenovo
- Capacity :3900mAh/44WH/6Cell
- Voltage :11.1V
- Color:black
- Type :Li-ion
- Battery quality: Grade A
- Guarantee: Replacement Battery - 1 Year Warranty
- Description: New brand，1 year warranty！30 days refund！Fast shipping！
Step1: Make sure you buy the right battery.
Step2: Check battery's appearance and interface.
Step3: Test battery charger and charging function.
Step4: Charge the battery to 100% and discharge it to 0% to get the actual battery capacity.
Step5: Use EV2300 to check the voltage difference of each group of batteries.
Compatible Part Number:
42T4688
42T4689
42T4690
42T4691
42T4832
42T4833
51J0497
Compatible Model Number:
Lenovo ThinkPad T400s Series
Lenovo ThinkPad T410s Series
How much do you know about how to extend battery life？ The methods for protecting battery life are as follows：
1). Please charge or replace other batteries when the battery is low.
2). Use Lenovo 42T4690 Li-ion battery than non-lithium-ion battery work longer.
3). After the battery is fully charged, unplug the charger to avoid prolonged or long-term high battery status to accelerate battery aging.
4). Avoid charging in extreme environments.
5). Keep the battery in a dry and cool environment when it is idle.
6). Please charge the battery in time to avoid deep discharge.
7). Carry out complete cycle charging regularly, and keep the power level at about 20%-80% .