This battery pack was sold individually, and also within Classroom Kits and GoPiGo and BrickPi robotic bundles. It is a 9.6V 2000Ah NiMH battery pack with Max Charge Current 2A and is wrapped in black plastic. “Dexter Industries Rechargeable Battery Pack” is printed on a white label on the battery pack.
Modular Robotics has received four reports of the rechargeable battery packs smoking and overheating. No injuries have been reported.
Online at Dexterindustries.com from March 2018 through January 2020 for about $38.
Modular Robotics Inc., of Boulder, Colo. and Dexter Industries, of Restin, W.V.