VSKA1097 Features: * Safe lithium-ion technology * Smart technology communicates accurate information to the computer * No memory-effect * Overcharge protection built in * 6 Cells * Provides 4400mAh of capacity * Lithium-ion rechargeable * Replaces the following ACER part numbers: AS09D34, AS09D31, AS09D36, AS09D56, AS09D70, AS09D71, AS09F34 * Fits the following ACER models: ACER ASPIRE 3810T, ACER ASPIRE 4810T, ACER ASPIRE 5810T, ACER TRAVELMATE 8371, ACER TRAVELMATE 8471, ACER TRAVELMATE 8571