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Battery: Tester

Portable Cell-Phone Battery Charger
2 Comments - in Telephone
A very clever portable cell phone battery charger that uses 8x1.5 AA cells (batteries) to charge cell-phone / mobile phone batteries while mobile. No more need for a mains outlet!
Photo: Love Tester Electronic Kit - Test for Love Love Tester Electronic Kit - Test for Love
The Love Tester will test your love life - and it will also teach you about electronics
Photo: Solar Battery Solar Battery
Teaches the fundamentals of a basic robotic sensing and locomotion principles while testing motor skills. Includes 5 switch wires controller to grab, release, lift, lower, rotate wrist, and pivot sideways 120°. Transparent arm shows the state-of-the-ar
Photo: Oscillator Building Blocks Electronic Kits Oscillator Building Blocks Electronic Kits
An educational learning module. Build and experiment with the astable, monostable and RS flip-flop multivibrators on one PC board with six LED's. Understand exactly how each one works. Operates on a 9 Volt battery.
Photo: Analog Multimeter Kit Analog Multimeter Kit
Old time style with the following options: 20,000 ohm/Volts, 19 Ranges, 3.5 Meter, dB Scales, Audible Continuity, Battery Tester, 10A DC Current.