Designed for use with some of our Venture Heat vests, the 604 Lithium Ion Battery is a lightweight, pocket-sized energy source for keeping you warm all day, any day! Good for up to 500 charges, just attach the 3-Setting Temperature Controller to customize your own micro-climate for maximum heating comfort. To charge use Charger for 602 and 604 Batteries.
|Power System||Rechargeable Lithium-ion Battery|
|Rechargeable Battery||604B, 2200mAh|