CWK New Replacement Laptop Notebook Battery for Acer BATCL50L 9100 9500 9010 290 2355 Acer TravelMate 4050 4150 4650 BATCL50L Acer 4150 BATCL50L Acer TravelMate 290ELC 290ELMi 290EXCi 290LCi BATCL50L4 Condition: Brand New - Grade A cells Battery Type: Li-ion Voltage: 14.8 Volt (14.4 Volt compatible) Capacity: 5200mAh (Better than 4400mAh) 90 Day Money Back. Buy with confidence!