18650

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How to get 18650 Cells from Dead Laptop Batteries

Introduction When we test the projects on lab bench, we can use the power supply. But when we need portable projects, we need to have portable power supply such as 18650 Li-ion batteries. But, these batteries might be expensive on the internet. In this tutorial, we will see how to recover 18650 Li-ion cells from …

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How to make Li-ion Battery Pack | 18650

Introduction A lithium-ion battery or Li-ion battery is a type of rechargeable battery. We commonly use Li-ion battery for portable electronics. Therefore, they are getting popular in military and aerospace industries. Li-ion batteries, however, are not enough when we use them as a single unit. Hence, we should connect them in series or parallel configuration. Doing that, we …

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Battery Spot Welder using Microwave Transformer | DIY

Introduction While we work on some projects which involves many 18650 Li-ion cells. For that, we need a Battery Spot Welder. It is expensive but not really difficult to build so in this tutorial we will see how we can make a DIY Battery Spot Welder which is a great tool to have when working …

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