This is a placeholder topic for “Polymer Lithium Ion Battery (LiPo) 18650 Cell (3.7V 2600mAh)” comments.
No, these aren’t some sort of weird, blue AA battery, this is actually a 18650 Lithium Ion Cell. These round high capacity cells have been mainly used in flashlight type applications but with its capability to be used as a drop-in rechargable cell at 3.7V with a capacity of 2600mAh. This is a great battery option for those of you who need a simple to install and replace cell with a lot of juice.Read more
Hello Core Electronics!
What brand are these 18650 Cells? Are they Samsung? Sony? LG? or some unknown re-wrap?
The datasheet says that the cell was manufactured by General Electronics Technology Co., Ltd, which is a Chinese company specializing in the research, development, manufacturing, and sales of polymer lithium-ion batteries and related products. GET is a legitimate manufacturer, so their unbranded batteries are likely just as good as some branded options, like Samsung or Sony cells. Hope this helps.
They aren’t protected though, right? i.e. overcharge, undercharge etc.
These batteries don’t have built in protection. Many chargers for them do though, for example