Cheap Compaq 176780-B21 Li-ion Laptop battery, Brand New 176780-B21 replacement battery for Compaq Presario 1800 1800US 1800T serie

4400mAh 14.80 V Compaq 176780-B21 Batteries for Compaq Presario 1800 1800US 1800T serie, Compaq 176780-B21 Laptop battery is a brand new,100% Compatible original and replacement Laptop battery,Purchase wholesale and retail 176780-B21 with high quality and low price!

176780-B21 Battery compaq Li-ion 14.80 V 4400mAh



How we test this Compaq 176780-B21 Battery Li-ion 14.80 V 4400mAh

Step 1: Make sure customer bought the correct battery.
Step 2: Check battery's appearance and interface.
Step 3: Test battery charger and recharger function.
Step 4: Charger the battery to 100% and recharger to 0% to get real battery capacity
Step 5: Use Ev2300 to check the voltage difference of each goroup cells.
Step 6: Charger battery power more than 30%.
Step 7: Package battery carefully and send out

Compatible Part Numbers:

CM2041A CM2041B CM2051A CM2051B CM2051E CM2000 CM2020 CM2040 CM2041A CM2050 CM2051A CM2060 CM2070 116314-001 138184-001 176778-001 176780-B21 177458-001 202960-001 222114-001 234232-B21 239817-001 292560-001 292861-001 293768-001 293817-001 293876-001 330936-001 330985-B21 347732-001 347736-001 388644-B21 388647-001

Compatible Model Numbers:

How much do you know about how to run laptop well as any place? The follow Tips cut way back on protecting battery life.

1). Please recharge or change your Laptop battery when battery power low.
2). Using Li-Ion Replacement Compaq 176780-B21 Laptop Battery for your notebook which can work longer time than Non Li-ion one.
3). It is better to defragmentation regularly for your Laptop battery life.
4). In order to reduce the laptop power consumpition, you can use some optical drive spin-down and hard drive in your Laptop .
5). Please keep your laptop in sleep or standby model without long time using, which both save the Replacement Compaq 176780-B21 Laptop Battery power and extend battery using life.
6). Leave your battery in a dry and cool condition when without using.
7). When you rarely or generally plugged in fixed power using, Please take down your battery to avoid hurting battery life.

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