TWB Premium Grade Generic Laptop Battery For HP NC2400, 2510P TWB Batteries are the perfect choice that you can make for your computer. Very affordable, The best quality batteries on the market. Long Life durable Battery for your Laptop Specification type: Li-ion Capacity: 4400mAh Volts: 10.8 V size: 204.80 x 38.70 x 21.30 mm Color: black HP Business Notebook nc2400 Battery Part Number: 412779-001 441675-001 HSTNN-FB21 RW556AA HP nc2400 Battery Fit With Following Models: Business Notebook 2400 Business Notebook 2510p Business Notebook nc2400 Package includes: 1 X Battery What's in the box 1 X Laptop Battery