This LENOVO replacement battery pack is a 3200mAh, 11.1, rechargeable, removable, Li-ion battery designed to work with LENOVO 42T4939. The Hi-Quality battery meets or exceeds original manufacturer specifications for the LENOVO 42T4939 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 42T4939 includes a one year warranty. We offer a 30 day money back guarantee and fast shipping on all of our products.
