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OPUS BT-C3100 Smart Smart Digital Intelligent 4-Slot Battery Charger

OPUS BT-C3100 Smart Smart Digital Intelligent 4-Slot Battery Charger

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1. Four independent charging channels: With independent charging control chip, precise control of the charging situation of each charging slot,... Read more

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£25.99

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    Description


    1. Four independent charging channels: With independent charging control chip, precise control of the charging situation of each charging slot, the working power of the charger is 12V-3A, and a dedicated DC switching power supply is used
    2. There are four levels of charging current available for selection, 200/300/500/700/1000mA, among which, if there is only 1, 4 channels with batteries, the current levels are: 200/300/500/700/1000 / 1500/2000mA, the discharge battery can be set to 200/300/500/700/1000mA
    3. The discharging mode does not switch to charging, and the battery discharge capacity is displayed. In charging mode, the 4.21V charger is judged to be fully charged
    4. LCD screen: Can display the real-time charge/discharge capacity, voltage, current, and time of the 4 channels of batteries
    5. Four working modes: Charge, discharge, repair and capacity test and battery internal resistance test
    6. Applicable battery type: Lithium battery, model: 10440, 14500, 16340, 18500, 18650, 26650, 26500; Ni-MH battery, model: AA, AAA, C, D
    7. Working temperature: 0 to 40 degrees celsius
    8. Note: The product does not contain batteries

    Function button:
    1. MODE operating mode selection button
    2. DISPLAY display mode button
    3. CURRENT current adjustment button
    4. SLOT, can individually adjust the working mode of each channel

    The specific operation method of the charger:
    1. Long press MODE for 2 seconds to enter the working mode to select, and then press this key to have four working modes to choose from, namely charge, discharge, repair capacity test and battery internal resistance test
    2. Press DISPLAY to display the charge current, battery voltage, battery power, and battery charge and discharge time respectively.
    3. When power on, the charger defaults to the charging mode and the charging current is 500mA
    4. When powering on, press CURRENT to adjust the current. When entering work, if you want to adjust the current again, you need to switch the working mode to press this key to be effective. The charge and discharge current can be adjusted.
    5. Press SLOT to adjust the working mode of each channel individually
    6. When the temperature of the battery exceeds 40 degrees when the battery is charged or the temperature of the PCB board exceeds 40 degrees, the fan will start to rotate.
    7. Select the capacity test working mode, the current can be the same as charging


    Specification:
    Package Weight
    One Package Weight 0.70kgs / 1.55lb
    One Package Size 22cm * 16cm * 8cm / 8.66inch * 6.3inch * 3.15inch
    Qty per Carton 20
    Carton Weight 15.00kgs / 33.07lb
    Carton Size 45cm * 33cm * 42cm / 17.72inch * 12.99inch * 16.54inch
    Loading Container 20GP: 427 cartons * 20 pcs = 8540 pcs
    40HQ: 992 cartons * 20 pcs = 19840 pcs

    Specifications

    • Product Assurance: Quality Standards

    Pros and cons

    • Sustainably produced
    • Ideal for everyday use

    Returns & Delivery

    When will my order be delivered?

    At Mira Sales, we provide accurate delivery estimates based on your address and the chosen carrier. To view your expected delivery date, please add the product to your cart—your exact options will appear instantly.

    How are delivery times calculated?

    We work with multiple trusted carriers. Delivery estimates are based on:

    • Your shipping address
    • Carrier availability in your region
    • The shipping service you select (standard, express, priority, etc.)

    Processing time, usually 1–2 business days

    Customs clearance for international orders (if applicable)

    Our system automatically shows you the best estimated arrival date before checkout.

    Do you offer tracking?

    Yes. Every order includes a tracking number once it is dispatched. You’ll receive it automatically via email or SMS (if provided). Tracking updates allow you to see each step of your order’s journey.

    Can I return my product?

    Yes, you can return your product. At Mira Sales, we want you to feel confident and satisfied with your purchase. If an item arrives damaged, faulty, or not as described, we will happily offer a replacement or refund. Contact our support team via support@mirasales.com

    To speed up resolutions, we kindly request that you provide photo or video evidence of the issue.

    What can I do if my item (or part of it) is damaged?

    At Mira Sales, we want every order to arrive in perfect condition. If your item—or any part of it—arrives damaged, we will resolve the issue quickly and fairly.

    Eligibility for Returns

    You may request a return if:

    • The product arrives damaged, defective, or not working
    • You receive the wrong item
    • The item is not as described on our website

    To process your return quickly, we may ask for a photo or video showing the issue.

    Do I Need to Return the Item?

    In most cases, you will not need to return the damaged item, especially when photo/video proof is sufficient.

    If a return is required, Mira Sales will provide clear instructions and, when applicable, a prepaid return label.

    We’re Here to Help

    Our goal is to resolve all damage-related issues quickly, fairly, and with minimal inconvenience to you.

    You may contact us anytime at: support@mirasales.com

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