LHP291 - EliteBook 840 G4 Z2V48ET - HP - Notebook Battery - Batteries and Battery Chargers - Laptop Batteries, Digital Camera Batteries, Camcorder Batteries, Rechargeable Batteries, Notebook Adapter, Li-ion Batteries at BattDepot.com Europe
Cm03XL Laptop Battery for HP Elitebook 840 G1 Hstnn-Ib4r Hstnn-Lb4r 717376-001e7u24AA for HP Zbook 14 Cm03050XL - China Rechargeable Batteries, Lithiom Batteries | Made-in-China.com
Battery 4400mAh For HP Elitebook 840 G1 G2 | eBay
battery suitable for HP EliteBook 850 G2 laptop (4500mAh, 11.1V, Li-Polymer, black) - Electropapa