CWK New Replacement Laptop Notebook Battery for Acer 4UR18650F-1-QC192 4UR18650F-2-QC140 916-2990 BT.00407.001 Acer Aspire 1640z 3004 3004wlci 3000 3500 5000 5510 1640Z CGR-B/8B5 3002LCi 3002LMi 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!