Cheap Dell M821K Li-ion Battery, M821K Replacement Battery for Dell Studio 14z 1440 1440z serie
56WH / 6Cell 11.1V for Dell Studio 14z 1440 1440z serie,Dell M821K Li-ion battery is a new brand and it is compatible with 100% original and replacement battery. Wholesale and retail of Dell M821K battery is of high quality and low price！dell M821K Battery Li-ion 11.1V 56WH / 6Cell
Specifications:- Brand:dell
- Capacity :56WH / 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:
N672K
P769K
K899K
K880K
K875K
M916K
P773K
P776K
M821K
312-0882
K903K
312-0883
Compatible Model Number:
Dell Studio 14z
Dell Studio 1440
Dell Studio 1440z Serie
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 Dell M821K 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% .