Battery Capacity‎5200 Milliamp Hours. Battery and heat indicator lights. Dual side heat up to 120°F/ 50°c pleating temperature with (6) heat settings for adjustable and comfortable warmth. Power Source‎Battery Powered.

Zippo Silver Heatbank 9s Hand Warmer and Power Bank. *Rechargeable. *Up to 9 Hours of Heat. 1 or 2-Sided Heat Output. *5200 MAH Lithium-Ion Power Bank. *Pocket Size. *Ergonomic Design Sku# 40584 Model Z4A18

Zippo Heatbank 9s Hand Warmer and Power Bank. *Rechargeable. *Up to 9 Hours of Heat. 1 or 2-Sided Heat Output. *5200 MAH Lithium-Ion Power Bank. *Pocket Size. *Ergonomic Design. For more details, please see HD photos