Customer Reviews

4.89 out of 5
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  • 2020-08-30 17:00:22

    Great charger! Fits unprotected 21700 cells and has lots or charging options.

    Comments
  • J10v10D
    NL
    2020-05-15 08:37:07

    Veel mogelijkheden, efficiënt

    Comments
  • d_t_a
    PH
    2018-07-25 02:12:17

    Take note: the Opus BT-C100 charger from Banggood, while can analyze/charge/discharge NiMh batteries; if you're thinking of charging Li-Ion batteries, then the product description does not indicate it supprots Li-Ion. And surely enough, my unit does not charge Li-Ion batteries (it indicates FULL immediately when I insert an 18650 or 18350 in various states of charge). See my youtube video demo of the charger: https://www.youtube.com/watch?v=Sqjfp4XEFLw https://www.youtube.com/watch?v=7hckCBD447Q

    Comments (1)
  • Henning
    NO
    2019-05-01 13:17:10

    I Have only charged Li-Ion with this. Its a pulse charger. Pulses are rather high (4.310v) on old batteries with high ir . Voltage display shows battery voltage (not charging voltage) and is aprox 0.03 off on my unit. Termination voltage is aprox 4.17 (shows aprox 4.20) Voltage meter when inserting a battery is completely unreliable. Termination current 50 mA. All in all i like it for what i want it to do.

    Comments
  • 2018-05-16 02:56:46

    Everything you know is a small charger, battery testing and maintenance perfect. The OPUS BT-C3100 V2.2 charger, which I liked very much, is also a small brother

    Comments
  • 2019-06-12 15:38:22

    Good, small single cell charger. This charger came with a US plug and will do LI-Ion batteries.

    Comments
  • AlexDV
    RU
    2019-02-09 08:33:00

    Ok

    Comments
  • 2018-07-31 15:35:51

    spasibo poluchil good spasibo poluchil good spasibo poluchil good

    Comments
  • 2018-01-25 19:43:24

    Came in on time works good

    Comments
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