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Here one can find a guide in building a good Electronic DC load
UberCool MiNi RECHARGEABLE POWER SUPPLYby abhishek7xavier
Battery Reconditionerby msuzuki777
How to measure the internal resistance of a battery?by eafindme
SCR (Silicon-Controlled Rectifie)by dhruvil_patel
Rechargeable Battery Capacity Testerby BrianH
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