TWB Premium Grade Generic Laptop Battery For HP 840 g1 CM03XL HSTNN-IB4R 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 Laptop Battery HP 840 g1, CM03XL, HSTNN-IB4R battery Compatible Models: HP EliteBook 840 G1 HP ZBook 14 E7U24AA Compatible Part Number: CM03XL CM03050XL HSTNN-IB4R HSTNN-DB4Q HSTNN-L11C-5 HSTNN-LB4R 717376-001 716724-421 716724-1C1 (3ICP7/61/80) Battery Type: Li-Ion Voltage: 11.1V Battery Capacity: 50Wh/4504mAh Battery Package include: 1x Laptop Battery What's in the box 1 X Laptop Battery