Cheap Hp HSTNN-DB91 Li-ion Battery, HSTNN-DB91 Replacement Battery for HP ProBook 4210s, 4310s, 4311s 4311 serie
73WH 14.4V for HP ProBook 4210s, 4310s, 4311s 4311 serie ,Hp HSTNN-DB91 Li-ion battery is a new brand and it is compatible with 100% original and replacement battery. Wholesale and retail of Hp HSTNN-DB91 battery is of high quality and low price！hp HSTNN-DB91 Battery Li-ion 14.4V 73WH
Specifications:- Brand:hp
- Capacity :73WH
- Voltage :14.4V
- 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:
HSTNN-DB91
HSTNN-OB91
HSTNN-OB92
HSTNN-XB91
HSTNN-I69C-3
530974-321
530974-361
530974-251
530975-341
Compatible Model Number:
HP ProBook 4210s
HP ProBook 4310s
HP ProBook 4311s
HP ProBook 4311 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 Hp HSTNN-DB91 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% .