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How to make a Li-Ion battery charger that can simultaneously charge four 18650 cells together. This charger is very simple to make and performs the work of a balanced charger by stopping the power to the individual cells after the battery gets charged completely.

How to make a Li-Ion battery charger that can simultaneously charge four 18650 cells together. This charger is very simple to make and performs the work of a balanced charger by stopping the power to the individual cells after the battery gets charged completely.

We used an existing wood stove and plugged it into a much larger brick heat exchange mass in order to heat a greenhouse and extend the gardening season.

Rocket Mass Heater at Oasis Design, built by Art Ludwig & friends - photo by Max Edleson Max Edleson - Hand Print Press

'Life Is Precious' Survival Kit by Fort Standard

'Life Is Precious' Survival Kit by Fort Standard; This is a piece of art, so let's call it 'highbrow' packaging. A great set of survival tools and gadgets to have for beginners as well as experts.

bump key infographic

Please, replace your household locks with bump proof locks. They sell them at any home improvement store and it will keep anybody from using a bump key and walking into your residence

This simple device allows you to ignite char cloth without any form of fire!

This simple device allows you to ignite char cloth without any form of fire! Everything you needed to know about survival