Home BEAM background   Getting started Electronic basics Passive components Resistors Capacitors Batteries Switches Semiconductor components Integrated Circuits Nv neurons and Nv nets Nu neurons Tutorials   BEAM From the Ground Up is a BEAM Reference Library site.		Basics of passive components -- batteries Getting juiced up A battery is a compact, chemical source of voltage. A variety of technologies are used (alkaline, Nickle-Cadmium, etc.) in batteries, only some of which are rechargeable. Note that rechargeable batteries tend to output voltages significantly below the "nameplate" quoted voltage -- so for instance, a rechargeable "9 V" battery can put out as little as 7.2 V when fully charged. There is, by the way, a very handy chart of battery capacities here. Meanwhile, Hawker Energy has a great site on "battery basics" here.   BEAM Usage I have a writeup on battery usage in BEAMbots here.
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