This LENOVO replacement battery pack is a 4080mAh, 11.10, rechargeable, removable, Li-ion battery designed to work with LENOVO SB10T83135. The Hi-Quality battery meets or exceeds original manufacturer specifications for the LENOVO SB10T83135 Laptop Battery in quality, durability, and performance. Li-ion batteries do not suffer from the memory effect. They generally last between 300-500 charge/discharge cycles. All laptop batteries are tested for 100% quality control assurance. This battery for LENOVO SB10T83135 includes a one year warranty. We offer a 30 day money back guarantee and fast shipping on all of our products.