42Wh 01AV435 Laptop Battery Compatible for Lenovo ThinkPad 13 1st /2nd Gen 13 Chromebook S2 1st /2nd Gen Series SB10J78998 01AV400 01AV402 01AV401 01AV400 1 01AV436 01AV437 1 1.25V 3735 mAh

1.Our batteries have EC/FCC/RoHS certification to ensure their safety, and are equipped with preventive measures such as short circuit, overheating, and overload protection. 2.Our laptop batteries are made of top-notch notch materials and circuit boards to ensure their performance and durability. We only use high-quality batteries, which can guarantee up to 500 charging cycles 3.We have full confidence in the backup batteries of our laptops, and each battery comes with a 12-month warranty period.