This is the battery for your NEC MobilePro 800, 880 series laptop

 

Model Outline Type Part # Price
 MobilePro 800, 880 series MC/BA11 Li-ion
3.7v
1000mAh		 MC/BA11
(808-892309-001
MC-BA11
MC-BA11A
MC/BA11A)		 $144.26Cdn
($119US)