Humbug said:G.C.
I also have a heated waiscoat with rechargeable lithium batteries which is much more effective. See here
Whatton said:Andy, what voltage are the battery packs with this waistcoat?
Humbug said:G.C.
I doubt 40C will be warm enough. My heated jacket kit only got up to 37C and it was barely luke warm.

Whatton said:Andy, what voltage are the battery packs with this waistcoat?