Category Archives: Batteries

Powering the LEGO Mindstorms Brick from a 9v Plugpack

I have been asked a number of times too how I power my Stationary and Development Robots from a 9 Volt, 5 Amp D.C. Plugpack connected to the Mains Power Supply. I prefer to have a Power Supply that can easily handle the demands put on it. A minimum rating of 3 Amps is needed if you plan running 4x Motors from the EV3 Brick.

Breakthrough in Rechargeable Batteries for Mindstorms

NiZn Batteries
There has been a Breakthrough in Rechargeable Battery technology which is very applicable to powering you LEGO Mindstorms Robots. The new 1.6 Volt Nickle-Zinc (NiZn) have reached the market place. Unlike other rechargeable battery types, a set of six NiZn batteries gives an output of 9.6 volts, instead of 7.2 Volts. As a result, the NiZn batteries equate to a set of six Alkaline non-rechargeable batteries, in both power and performance.



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