A hefty portable power bank is a handy thing to DIY, but one needs to get their hands on a number of matching lithium-ion cells to make it happen. [Chris Doel] points out an easy solution: salvage ...
Japanese hardware brand Elecom has just launched what it claims is the world's first power bank to feature a sodium-ion battery inside. It promises significantly longer cycle life than traditional ...
Minimal or not, when the problem involves lithium-ion cells, it's better to be safe than very, very sorry. When you purchase through links on our site, we may earn an affiliate commission. Here’s how ...
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