DC 5V Typec LCD Battery Capacity Tester MAh MWh for 18650 Lithium Battery Digital Measurement Battery Power Bank Detector Module


  Availability: In Stock
  Shipping: Free Airmail 
  Ship From: China Warehouse
  Estimated Delivery: 
  •   Shipping Methods

    Handling Time

    Before we can ship your order, we prepare your products, do strict quality-control tests and carefully package the items. The time it takes to prepare your items for shipping is separate from the delivery time. It usually takes 1-3 business days to ship out .

    Shipping Methods

    You can choose the preferred shipping method on the cart page during the checkout process. We offers 3 international shipping methods:

    1. Airmail – Free untracked economy shipping via national postal services (HK Post, Singapore Post, China Post, PostNL, Swiss Post, Sweden Post, USPS, Royal Mail e.t.c.)
    2. Airmail Registered – Tracked shipping via national postal services (HK Post, Singapore Post, China Post, PostNL, Swiss Post, Sweden Post, USPS, Royal Mail e.t.c.)
    3. Expedited Shipping – Express shipping with courier delivery (DHL, UPS, FedEx, TNT)

    Delivery Time

    Airmail and Airmail Registered Area Estimated Delivery Time
    United States, Canada 7-25 business days
    Australia, New Zealand, Singapore, United Arab Emirates 10-25 business days
    United Kingdom, France, Spain, Germany, Netherlands, Japan, Belgium, Denmark, Finland, Ireland, Norway, Portugal, Sweden, Switzerland 10-25 business days
    Italy, Brazil, Russia, South Africa 10-45 business days
    Other countries 10-35 business days
    Expedited Shipping 3-10 business days to Worldwide

    Note: If you choose an expedited shipping, please remember to leave a valid contact number, this is required for expedited shipping’s courier delivery.

  •  Returns & Refund

    Last updated October 05, 2022


    If you are not completely satisfied with your purchase for any reason, you may return it to us for a full refund within 15 days from delivery date. All returned items must be in new and unused condition, with all original tags and labels attached.

    Return Process

    To return an item, please email our customer service at sales@alexnld.com to obtain a Return Merchandise Authorization (RMA) number. After receiving a RMA number, place the item securely in its original packaging, and mail your return to the following address:

    Alex NLD
    Attn: Returns
    RMA #
    HaGiborim St 8
    Tiberias, 14388

    Please note, you will be responsible for the return shipping charges. We strongly recommend that you use a trackable method to mail your return.

    All customers should contact us and obtain Return Merchandise Authorization (RMA) number before sending anything to us. We will not be responsible for returned item(s) without notifying us in advance.


    After receiving your return and inspecting the condition of your item, we will process your refund to the credit / debit card or PayPal account which was used to place the original order.

    Please allow at least seven (7) days from the receipt of your item to process your refund. Refunds may take 1-2 billing cycles to appear on your credit card statement, depending on your credit card company. We will notify you by email when your refund has been processed.


    If an item is found damaged or defective on receipt, we kindly ask you to contact us within 15 days from the delivery date to arrange a refund or exchange without physical return of the item.

    Please provide us with following:

    1. Photos of the front and back sides of the packaging box;
    2. A photo, video or screenshot of the defective item or the defective part of the parcel.

    Our customer service team will communicate with you to arrange a refund or reshipment without physical return of the item.

    Warranty & Repair service

    If any of the items you have purchased from us is found defective within 1 year from receipt, you are entitled to a repair under warranty. Please kindly provide us with evidence photos or videos of the defective item. After providing such information to our Customer Service team  and the problem is acknowledged, you can send the items back to us for a repair.

    Note:  Please be aware, we do not cover the cost of the returns fees in  warranty & repair service.

    Order Cancellation

    If you want to cancel an order within 24 hours from confirmation of the payment, you will be entitled to a full refund. It is still possible to cancel an order after 24 hours, provided that it has not yet been shipped. If an order has been shipped, it’s impossible for us to cancel or modify it anymore. If you still want a refund, you required to return the item on it’s arrival.


    If you have any questions concerning our return policy, please contact us at:

    +972 054-536-2888



Test voltage: ?5V
Display mode: 128?64px LCD
Capacity range: 99999mAh
Energy range: 99999mWh
Timing range: 999:59:59
Working battery: flat head 18650 battery
Power interface: Type-C
External working power supply: 5V 1A (the power supply is self-provided, you can use the mobile phone charger). The charging mode (Charge) and automatic mode (AUTO-TEST) need to be connected to an external working power supply for normal use.
Product size: 115?81?31mm (product); 150?100?40mm (packaging),
Product weight: 110g (including packaging); net weight 74g
Safety Tips: The load resistor will release a high temperature of 60~80? during discharge. Keep ventilation during use, avoid close to flammable and explosive materials, and notify you to pay attention to safety and avoid burns.
Working Mode (need to connect to 5V power supply)

AUTO-TEST automatic mode (boot default mode)
Start ? charge (charge current is less than 0.12A, trigger full charge, stop charging) ? discharge (load voltage is less than 2.7V, trigger discharge complete) ? charge (charge current less than 0.12A trigger full charge, stop charging) ? complete stop
?The capacity and energy values are not recorded during charging, only timing.
?Record the capacity and energy value when discharging, the same is timing.
CHARGE (charging mode)
Start ? charge (the charging current is less than 0.12A to trigger full charge and stop charging) ? complete stop
?Only record the charging time, not the charging capacity and energy
DISCHARGE (discharge mode)
Start ? discharge (load voltage is less than 2.7V, trigger discharge is completed ? complete stop)
?Record the discharge capacity, energy and time.

?As long as the discharge process detects that the battery load voltage drops to 2.7V, it will stop discharging. After the discharging is stopped, the battery will be no-load and the voltage will rise; a single discharge process can only detect that the voltage drops to 2.7V for the first time after the self-discharge starts and triggers the stop of the discharge. The capacity released by the first-stage battery can be simply understood as a single usable capacity, rather than the calibrated battery capacity.
? Shut down and restart; switch modes; long press the start button and the data are cleared, and the historical data will not be saved after shutdown.
?Test?Install 18650 battery for testing, Test?test through type-c external power bank or ?5V power supply, but Test? and Test? cannot be used at the same time for testing, to avoid accidents caused by overshoot of 18650 battery without protection.
?To run the charging mode, an external power supply must be connected
Pacakge Included?

1 x 18650 Battery Capacity Tester

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