Uniwill was purchased by Elitgroup Computer Systems Co. Ltd, a computer hardware manufacturer based in Taiwan, in 2006. ECS also produces some notebooks with the Acer, Asus, Gigabyte, ASRock and Micro-Star International brands.

Should you have a Uniwill laptop that you need a replacement battery for, the process of finding and buying one couldn't be simpler. Just look through the list below for the model of notebook you have and then click on the associated link.

Please select a model from the following dropdown or browse through the listing below: Please select the Model 223EI 223EIX 223II 223II0 244II0 245II0 245TI0 245TI2 255ELx 255EN 255ENx 255II3 255IIx 255TI2 255TI3 259EI 259EI3 259ELx 259EN 259EN1 259EN3 259ENx 259IA0 259IA1 259IA2 259IA3 259IA7 259II0 259II1 259KI2 259TI2 755CI0 755IA 755II1 755II8 755IN 755SI 755SI4 L50 L50II0 L50II5 L50RI0 L51AI L51AIx L51II L51IIx L51RI L51RIx L53RI0 L70II0 Lio One Lio Two M30E M30EI M30EI0 M30EI1 M30EI2 M30EIx M30KI M31E M31EI M31EI1 M31EIx M50EA0 M50EI0 N222 N222S N223 N243S N243S1 N243S2 N243S6 N243S7 N243S8 N243S9 N243SA N243SB N244 N244II N244IIO N245II0 N245TI0 N245TI2 N251C1 N251C2 N251C5 N251S1 N251S5 N251S6 N251S7 N251S8 N255ELx N255EN N255ENx N255II3 N255IIx N255TI2 N255TI3 N257SA1 N258 N258AS N258AX N258KA N258KAO N258SA N258SAO N258SAU N258SAX N259EI N259EI3 N259ELx N259EN N259EN1 N259EN3 N259ENx N259IA0 N259IA1 N259IA2 N259IA3 N259IA7 N259II0 N259II1 N259KI2 N340G N340P N340S1 N340S2 N340S8 N341C1 N341C2 N346C6 N34A N34AS N34AS1 N34AS2 N34B N34BS N34BS1 N34BS2 N34BS3 N34BS8 N350i3 N35B N35BS N35BS1 N35BS2 N35BS8 N755 N755CA5 N755IA N755IA0 N755IA6 N755IAX N755II N755II0 N755II1 N755II5 N755II8 N755IIX N755IN N755IN0 N755INX P53IA P53IA0 P53IAx P53IN P53IN4 P53INx P71 P71EN P71EN0 P71xx P72 P72EN P72EN0 P72ENx P72IA P72IA0 P72IA9 P72IAx P72IN0 P72xx S20II S20IIX S40II S40IIX S50IA0 U40SI1 U40SI2 U40SIx U50SI1 U50SI2 U50SIx UN350D X20AI X20II X20IIx X20RI X40AI X40II X40IIx X40RI