Description
Place of Origin: Guangdong China (Mainland)
color: Dark Black 
Weight:370g
Type: Li-ion  
Battery cells:6grains
Voltage: 10.8v
Capacity:4400mAh/4800mah                      
Size:240mmx89mmx40mm 
Warranty :  12 months
Mfg Part Number :HR- UN--255-000
Product Type : Original Battery (Brand New)
Pack detail: Independent carton packaging, built-in sponge, antistatic packaging or Yellow cowhide envelope bag individually packaged
Fit Laptop/Notebook Computer Models
for Fujitsu Siemens:AmiloA-1640/A-7640/M-1405/M-1424/M1425/M1425(B)/M7405/M7425 Series Laptop Battery 

Replacement for original Battery P/N:
255-3S4400-F1P1, 255-3S4400-G1L1, 255-3S4400-S1S1 
We guarantee 100% compatibility with the models above

To get maximum use out of you laptop battery there are a few things to keep in mind:
1) Make sure the power saving features are enabled when using the laptop on battery power. These features may be disabled manually for many laptops if you absolutely need the maximum speed setting for a task, don`t forget to turn power saving back on.
2) If you are not going to use the battery for a long period of time then try to store it in a cool dry place at about a 40% charge level. Do not freeze