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BG355725939 I measured the following internal resistances for 4 devices: 10 V - 9500 Ohm * 5 V - 5000 Ohm * 100 mA - 4 Ohm * 50 mA - 8 Ohm.

2020-09-03 05:00:25 Helpful (1)
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Laurence Hi, maybe you can consult with the Banggood customer service team. https://www.banggood.com/Contact-Us_hi111

2020-09-03 04:17:36 Helpful (0)
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User420 You can add a (Shottky) diode in series with a battery to reduce its voltage a bit. I watched once a video on youtube, how to make whole this construction with Li-ion battery charge circuit for a different multimeter model. But I am pretty sure, hat it will be suitable for this one to. Video was in Russian.

2020-07-05 07:18:37 Helpful (0)
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