Hand warmer power bank combo?

[fngTony]

I just found out about these, anyone have experience? I’m hoping to find one that is decent with both, hopefully not suck at both

 

[Hokiehunter]

I got each of my kids one from HME that has the flashlight built in. They use them at the bus stop and for hunting. No issues with them and they warm up quickly

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[intunegp]

I have a pair of the Celestron Elements Thermocharge 6 They heat up fast and get plenty warm. Plenty of battery to leave them on for a long sit with your hands in your pockets. I usually carry one with me primarily as a phone charger but to use as a hand warmer if I need it. Probably a similar weight to a non-heating battery pack and some disposable handwarmers unless you go with a super low capacity/ultralight charger.