2015 Newest ESR Meter Digital M328 Transistor Tester Diode Triode inductor meter The tester uses 3.7V rechargeable lithium battery (battery model: 14500) powered portable design, but you can use the T-MINIUSB outlet to charge the battery and power the system for a long time in the indoor use of more economical and convenient, eliminating the need always to be replaced battery of economic input!
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