USB Ammeter, Reset Button Discharge Capacity Testing Tool USB Voltmeter for Wall Chargers

£11.42
FREE Shipping
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USB Ammeter, Reset Button Discharge Capacity Testing Tool USB Voltmeter for Wall Chargers

USB Ammeter, Reset Button Discharge Capacity Testing Tool USB Voltmeter for Wall Chargers

  • Brand: Unbranded
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USB Ammeter, Reset Button Discharge Capacity Testing Tool USB Voltmeter for Wall Chargers

  • Brand: Unbranded

£11.42

Save £6.87 (37%)

RRP

£18.29
In stock
FREE Shipping

14-Day Returns Policy

Sold by:

£11.42

Save £6.87 (37%)

RRP

£18.29
In stock
FREE Shipping

14-Day Returns Policy

Payment methods:

Description

USB Ammeter, Reset Button Discharge Capacity Testing Tool USB Voltmeter for Wall Chargers

Feature: 1. USB power tester can measure USB charging voltage, current and discharge capacity over time. 2. Such tester can be used to check the performance of USB cables, wall chargers, car chargers and power banks. 3. Compatible with fast-charger compatible, power tester can work under upto 20V and it does not interfere with fast charge negotiation. 4. Empty display with memory function after power off, power meter is with high performance according to strict rule. 5. With reset button, press 3-5 seconds can make that the screen will be cleared . Specification: Item Type: USB power tester Model: KWS-V21 Voltage: Input / Output Voltage: 3.5-20v, Voltage Resolution: 0.01V Current: Input / Output Current: 0-3.3A, Current Resolution: 0.01A Accuracy: ±1% Line Loss: Aabout 0.1Ω IN: Input is connected to the charger's output port. RESET: Reset button, press 3-5 seconds, the screen will be cleared. OUT: Output terminal is connected to the data line USB port. Input Voltage Display Window: 3.5-20V Charging Current Display Window: 0-3.3A(accuracy + 1%) Battery Capacity Display Window: 0-99999mAh Working Time Display Window: 0-99min working time and empty display with memory function after power off Voltage Range: 3.5-20V Maximum Current: 3.3A Resolution: 0.01V, 0.01A, 1mAh Package List: 1 x USB Power Tester USB power tester can measure USB charging voltage, current and discharge capacity over time. Such tester can be used to check the performance of USB cables, wall chargers, car chargers and power banks. Compatible with fast-charger compatible, power tester can work under upto 20V and it does not interfere with fast charge negotiation. Empty display with memory function after power off, power meter is with high performance according to strict rule. With reset button, press 3-5 seconds can make that the screen will be cleared .
  • Fruugo ID: 446114718-936819637
  • EAN: 9150754843611

Product Safety Information

Please see the product safety information specific to this product outlined below

The following information is provided by the independent third-party retailer selling this product.

Safety Warnings: WARNING: Opening and/or repairing your device may result in risk of electric shock, damage to the device, fire and personal injury, and other hazards. We recommend that you seek professional assistance for device repairs and exercise caution when repairing your device yourself.
Ingredients: Other

Delivery & Returns

Dispatched within 3 days

  • STANDARD: FREE - Delivery between Mon 12 January 2026–Tue 20 January 2026 - FREE

Shipping from China.

We do our best to ensure that the products that you order are delivered to you in full and according to your specifications. However, should you receive an incomplete order, or items different from the ones you ordered, or there is some other reason why you are not satisfied with the order, you may return the order, or any products included in the order, and receive a full refund for the items. View full return policy

Product Compliance Details

Please see the compliance information specific to this product outlined below.

The following information is provided by the independent third-party retailer selling this product.

Manufacturer
The following information outlines the contact details for the manufacturer of the relevant product sold on Fruugo.

  • Yang Yue
  • Lixian Penghui Trading Co., Ltd.
  • Group 5,Renhe Village
  • Changde City
  • CN
  • 415500
  • shehuihendanchuna@outlook.com
  • +1(319)277-0024

Responsible Person in the EU
The following information outlines the contact information for the responsible person in the EU. The responsible person is the designated economic operator based in the EU who is responsible for the compliance obligations relating to the relevant product sold into the European Union.

  • eVatmaster Consulting GmbH
  • eVatmaster Consulting GmbH
  • Raiffeisen Street2 B1l
  • Rodgau
  • DE
  • 63110
  • contact@evatmaster.com
  • +49 61062699873