Cheap Hp_compaq HSTNN-DB1B Li-ion Battery, HSTNN-DB1B Replacement Battery for HP Compaq 320 321 420 421 620 621 serie
7800mAh/85WH 11.1V for HP Compaq 320 321 420 421 620 621 serie,Hp_compaq HSTNN-DB1B Li-ion battery is a new brand and it is compatible with 100% original and replacement battery. Wholesale and retail of Hp_compaq HSTNN-DB1B battery is of high quality and low price！hp_compaq HSTNN-DB1B Battery Li-ion 11.1V 7800mAh/85WH
Specifications:- Brand:hp_compaq
- Capacity :7800mAh/85WH
- 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:
HSTNN-DB1B
HSTNN-IB1A
HSTNN-Q78C-3
HSTNN-Q78C-4
587706-121
592909-221
PH09
Compatible Model Number:
HP ProBook 4320s 4321s 4325s 4320t 4420s 4421s 4425s 4520s 4720s Serie
HP Compaq 320 321 420 421 620 621 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_compaq HSTNN-DB1B 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% .