Cheap Dell DF249 Li-ion Battery, DF249 Replacement Battery for Dell Latitude D820, Precision M65
5200mAh 11.1V for Dell Latitude D820, Precision M65,Dell DF249 Li-ion battery is a new brand and it is compatible with 100% original and replacement battery. Wholesale and retail of Dell DF249 battery is of high quality and low price！dell DF249 Battery Li-ion 11.1V 5200mAh
Specifications:- Brand:dell
- Capacity :5200mAh
- Voltage :11.1V
- 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:
310-9122
310-9123
312-0393
312-0401
312-0402
312-0538
312-0394
451-10308
451-10326
451-10410
451-10411
CF623
CF704
CF711
DF192
DF230
DF249
FF231
FF232
GX047
MM165
XD735
XD736
XD739
YD624
YD623
YD626
Compatible Model Number:
Dell Latitude D531
Dell Latitude D531N
Dell Latitude D820
Dell Latitude D830
Dell Precision M65
Dell Precision M4300
Dell Precision M4300 Mobile Workstation
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 DF249 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% .