Are you tired of buying batteries for your handheld label printer and dispose them in few days? Here is a simple way to convert Brady BMP 21 to pair of 18650 lithium batteries, so you can charge them for free.

15 years ago I received an amazing present from a friend – DeWalt Cordless Screwdriver – DC600 Type 1. It was a great tool and I’m really happy that he chose exactly this model for my daily PC work with desktop computers and other electrical devices.