Circuit provides constant-current load for testing batteries

by Vladimir Rentyuk, Modul-98 Ltd, Zaporozhye. Ukraine; Edited by Martin Rowe and Fran Granville, EDN, Feb 19 2009

Focus:
Test circuit applies a constant-current load to AA and AAA-sized batteries to test battery condition and display results with LED indicators.

What you’ll learn:

• How to build a constant-current load for testing AA and AAA batteries

Notes:
An EDN Design Idea

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