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Teacher Developed Classroom Tested

This simple device tests all 1.5 (A, AAA, C, D, & button), 9V and rechargeable batteries using a simulated load test to check if the battery will work in use.
Also checks most screw, push and bayonet light bulbs; and all car, house and plug fuses. Simply insert the battery, bulb or fuse being checked into the appropriate receptacle. The needle on the easy to read dial deflects to OK if the unit being tested is good.
Measures: 15mm x 6.5mm x 2.5mm.

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