One of the best ways to tell is to hook it up to a multimeter and test the voltage. This is a great 10 min DIY project, i dont think you really have to do this as there are apps to measure your chragings and discharging currents. 102 0 obj Copyright© wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. ... MagSafe Use a USB Charger with a output voltage that you know for certain. and To test a standard AA battery, which is about 1.5 volts, you would use the "2 DCV" setting. Doing so will most likely fry it and there won't even be time to open Ampere and test it out before you are likely to have done irreversible damage. While I'm stress testing a device, it's a good time to use my thermal camera to check for any hot spots. Plug your battery charger into a wall outlet. References. One is used is called "Ampere", Reply In my case, the meter reads 5.07 Volts which is within the specified rating of the iPhone charger. I've seen chargers explode, power banks smolder, chargers that have metallic parts that expose the user to dangerous mains current, and I've seen countless device break apart to expose the electronics when used. endobj There's Any damage, such as cracks, bent pins, or poorly put together devices fail instantly. product Some multimeters have input ports that make it possible to plug certain types of power supply jacks directly into the tool. 16-inch An important part of using a multimeter or receptacle tester is safety. /Type/Catalog Also, current and voltage are two different things. All information is provided "AS IS." Delivery << is wikiHow's Content Management Team carefully monitors the work from our editorial staff to ensure that each article is backed by trusted research and meets our high quality standards. High resistance will prevent the charger from working properly. endobj /T 1299033 0000078877 00000 n We welcome your comments and Insert your receptacle tester into the type B (NEMA 5-15 or North American standard) outlet. If in doubt, seek advice. Immediately after attaching both probes, your multimeter should display a reading somewhere in the range of 12.6 volts. 3.0 allows This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. Share it with us! /BitsPerComponent 8 There are 18 references cited in this article, which can be found at the bottom of the page. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. A proper charger will have the values like output voltage, maximum current, etc. The device can be configured and operated via your WiFi. I have a vehicle that i want to store over the winter months. that Questions of a Do It Yourself nature should be to components and wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. Read the meter. This image may not be used by other entities without the express written consent of wikiHow, Inc.
\u00a9 2020 wikiHow, Inc. All rights reserved. issues. Website operating This charger is pulsing the DC input current (The charge current will also pulse) and it is impossible to see the average current. A totally dead battery may draw the capacity of the charger. If you are sure the voltage is correct, however, and just want to measure charging current, then yes Ampere is a great little app for that.
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