A weak laptop battery that drains in minutes, refuses to charge past a point, or shuts the laptop down without warning is usually ready for replacement. The safe way to buy is by your exact laptop model and the battery part number printed on the old cell, not by guessing from the brand alone.
LapKart stocks original and compatible replacement batteries for most HP, Dell, Lenovo, Asus and Acer laptops, with the voltage (V) and capacity (Wh/mAh) listed so you can match the old battery exactly. A battery with the wrong voltage or connector will not work and can be unsafe, so always confirm the part number before ordering.
Every battery listing shows price, warranty and stock up front. Most parts ship across Tamil Nadu from Rs 50 (free above Rs 2,000), with COD available at checkout.