Lenovo Battery Thinkpad R61 series, R500 series, T61 series

AccuCell replacement battery Li-ion compatible as a spare battery for the slightly inward-offset contacts. Battery for Lenovo Thinkpad R61 series, R500 series, T61 series 6600mAh. This replacement battery is only compatible with battery ASM 42T5265, FRU 42T4644, FRU 42T4743, FRU 42T5264, ASM 42T4533, FRU 42T4548, FRU 42T4678, FRU 42T5262, 43R2499, FRU 42T4532, FRU 42T4677, FRU 42T4771, 41U3198, FRU 42T4530, FRU 42T4645, FRU 42T4745. High-performance battery suitable as a replacement or secondary battery for your Thinkpad R61 series, R500 series, and T61 series. Due to its high performance, the battery is slightly longer at the back than the usually smaller original battery. Please compare your battery with the dimensions and images (the arrangement of the retaining lugs, the internal contacts, etc.) to check compatibility (there are likely two different versions, so please compare beforehand). Quality laptop battery including protective electronics against overcharging and overheating. This battery features short circuit protection. The battery can be charged with your existing charger. Technical specifications (not an original IBM battery): System Li-ion battery, voltage 10.8 volts, capacity 6600mAh, capacity 71Wh, dimensions approximately 223.2 x 77.3 x 34.3mm, weight 473 grams, color black. The high-quality Li-ion battery is only suitable as a replacement battery for the Lenovo Thinkpad T61 6480, Thinkpad T61 6379, Thinkpad T61 6378, Thinkpad T61 6377, Thinkpad T61 1959, Thinkpad T400 7417, Thinkpad T400 6473, Thinkpad T400 2765, Thinkpad T400 2764, Thinkpad T61 6481, Thinkpad T61 7658, Thinkpad T61 7659, Thinkpad T61U series (14.1" Widescreen), Thinkpad T61P series (14.1" Widescreen), Thinkpad T61 series (14.1" Widescreen), Thinkpad T61 7665, Thinkpad T61 7664, Thinkpad T61 7663, Thinkpad T61 7662, Thinkpad T61 7661, Thinkpad T61 7660, Thinkpad T400, Thinkpad R61I series (14.1" Widescreen), Thinkpad R61 7736.