The Digital Battery Tester. £5.99. Useful little widget for battery users everywhere, especially if you’re fed up fiddling around with a multimeter to check on old cells. The LCD display of this Digital Battery Tester clearly indicates the voltage of D, C, AA, AAA and 9 V batteries, especially as there are two different scales for 1.5 V and 9 V batteries. It’s compact design is another advantage.
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