Extended Life Lenovo Battery: Featuring a powerful 94Wh capacity, our Lenovo 0a36303 battery is designed to provide your Lenovo T420, T430, T450, or Lenovo E420 laptop with an extended life, lasting more than 6 hours on a single charge. This top-tier battery seamlessly matches various part numbers including 0A36303, 0A36302, and more, promising universal compatibility and a new lease of life for your laptop. Highly Durable and Reliable: Our Lenovo T420 battery is highly durable, capable of being reused more than 500 times. The Lenovo T430 battery has passed UL testing, ensuring a high level of safety and reliability. Certified with CE, FCC, and RoHS, its the epitome of safety and efficiency, providing your Lenovo ThinkPad with reliable, long-lasting power. Perfect Replacement Battery: Whether you need a Lenovo T420 battery replacement, a new Lenovo T430 battery, or a Lenovo W510 battery, this premium battery offers a perfect fit. It's also compatible with Lenovo Thinkpad T420