It looks like the OCOOPA 118D hand warmer has some quirks when it comes to charging. According to what we found, it uses a USB-C port, which is pretty common nowadays. You'd think this would make recharging easy, but there are a few hiccups.
It seems like while it's advertised to have a USB-C port, it doesn't always play nicely with just any USB-C cable. Instead, it might need a special adapter, which, thankfully, comes with it.
A few folks mentioned that it's a bit picky with chargers too. Fast chargers might not work, so it could take longer to juice up with a regular one. If you're counting on speedy charging, this could be a minor headache. It seems like a good idea to stick with the cable and adapter included in the box to avoid any issues.
As for battery life, we didn't find a ton of specific info. Generally, these hand warmers strike a balance between being portable and providing a decent amount of warmth time, but personal experiences can really differ. If battery lifespan is super important for you, maybe check out more user reviews or reach out to the manufacturer for the nitty-gritty details.
Overall, lots of people seem to like how well the OCOOPA 118D warms up, but just keep those charging quirks in mind. Having the right gear handy should help keep it running smoothly and keep your hands nice and cozy.