Zebra RFD40, Built-in battery, Lithium-Ion (Li-Ion), 7000 mAh, 84 mm, 166.5 mm, 151 mm Zebra RFD40. Battery type: Built-in battery, Battery technology: Lithium-Ion (Li-Ion), Battery capacity: 7000 mAh. Width: 84 mm, Depth: 166.5 mm, Height: 151 mm