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The Heatsync Vital Under-Jacket Warmer v.2 from Brunton can be combined with any Brunton power device to provide heat to your body. The warmer is powered via any Brunton 5V/2.1AMP USB power bank, and can reach a maximum temperature of 131°F. This heating system is designed for users with a waist size of up to 48" and a chest size of up to 56", and is intended to rest against a shirt or base layer.
In the Box
Brunton Heatsync Vital Under-Jacket Warmer v.2
Table of Contents
USB 4000 mAh 2.1 A: High 2.7 hr 55°C/131°F, Medium 4.3 hr 45°C/113°F, Low 7 hr 38°C/100°F USB 9000 mAh 2.1 A: High 6.13 hr 55°C/131°F Medium 9.8 hr 45°C/113°F Low 16 hr 38°C/100°F