USB step-up Charger Cable is compatible with <12W 7.4v or 8.4v Heated Jacket in the market.
12W USB Heated Jacket Charger Cable can step-up your Power Bank 2.0A USB outlet from 5V to 8.4V.
Make sure you connected Power Bank USB outlet is >2.0A. IF USB outlet<2.0A (old power bank before 2019) and heated jacket cannot working.
FIT Kobalt Smarkey and most of 7.4v or 8.4v HEAT JACKET! NOT FIT Metabo / Milwaukee / Makita / Snap-on / Craftsman / AEG 12V HEAT JACKET! (As connector size and voltage is different)
Attention: Some of jacket is 15W and this cable cannot work (Only Support <12W Jacket)