Category Archives: Mindstorms 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.

Li-Po Batteries & LEGO Mindstorm NXT

Both the LEGO 7.4 Volt Rechargeable Batteries for Mindstorms NXT (Part #x1678 & #bb495), are of Lithium-ion Polymer construction. Lithium-ion polymer batteries, polymer lithium ion, or more commonly lithium polymer batteries (abbreviated Li-poly, Li-Pol, LiPo, LIP, PLI or LiP) are rechargeable batteries (secondary cell batteries). Normally batteries are composed of several identical secondary cells in parallel addition to increase the discharge current capability.

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