10.80V,6600mAh,Li-ion, Replacement Laptop Battery for LENOVO Thinkpad R400, R61, R61i, T400, T61, T61p, T61u Series, Compatible Part Numbers: 41U3198, 43R2499, ASM 42T4533, ASM 42T5265, FRU 42T4530, FRU 42T4532, FRU 42T4548, FRU 42T4645, FRU 42T5262, FRU 42T5264 Battery Type: Lithium-ion (Li-ion)  Color: Black Voltage: 10.80V | Capacity: 6600mAh No. of Cell: 9 | Weight: 613.15 g Compatible Part Numbers: 41U3198, 43R2499, ASM 42T4533, ASM 42T5265, FRU 42T4530, FRU 42T4532, FRU 42T4548, FRU 42T4644, FRU 42T4645, FRU 42T4677, FRU 42T4678, FRU 42T4743, FRU 42T4745, FRU 42T4771, FRU 42T5262, FRU 42T5264 Condition: New, 1 year warranty! Please ensure the product(s) that you are going to buy fits the brand, model, part number and dimension of your device.