Battery type: Li-ion; Model name: PX03XL; Voltage: 11.1V; Capacity: 50WH; 3 A+ Cells. With Two Free Screwdrivers. 100% Brand New. If you are not sure about the model, please contact the CUSTOMER SERVICE through the 'Ask a question' window on the right corner of the store page. Response will be reached in 24h. Compatible for HP ENVY M6-K001XX M6-K010DX M6-K012DX M6-K015DX M6-K022DX M6-K025DX M6-K026DX M6-K054CA M6-K058CA M6-K088CA M6-K125DX M6-K122DX M6-K002TX. Compatible P/N: PX03XL HSTNN-LB4P 715050-001 714762-1C1 714762-2C1 714762-421 TPN-C109 TPN-C110 TPN-C111 714762-1C1 714762-422 K002TX K022DX. Warranty:Our service team including excellent after-sales managers and technicians are served for your after-sales problem. More guarantees confidence: Full Refund within 90 days; 12 months Warranty; 24 x 7 Email Support. Amazon's return window will be closed after 30 days. If you need help, please contact us directly.