Quick tech specs
- Notebook battery
- for Inspiron 14 34XX, 15 35XX, 15R 55XX, 17 57XX, 17R 57XX, 3521, 37XX; Vostro 2421, 2521
- 1 x lithium ion 4-cell 40 Wh
Know your gear
Always on the go? No more worries about running out of battery power! You can power your laptop with this light weight and easy-to-carry 4-cell lithium-ion battery from Dell. With a capacity of up to 40 WHr, the battery lets your laptop work seamlessly when you are on the move. This battery provides uninterrupted reliable performance you need to get the most out of your laptop.