Battery real-time capacity test

QWE4562009

Battery real-time capacity test [Copy link]

 

I am currently using the EBC-A01 (several hundred dollars) device to test the battery capacity, but unfortunately it cannot test the real-time battery capacity, and can only measure the total capacity of the battery in the end.

Who can recommend a device that can test the real-time capacity? The price should be within 1500!

迈尔风随

I don't quite understand what you mean by real-time capacity value. If you use constant current mode to discharge, the real-time capacity is the capacity from the beginning of discharge to the current time, which is equal to: current x hours

qwqwqw2088

Is this a list of tests for the host computer software of a battery tester?

baopodao

For new batteries, the capacity of the battery can be calculated by referring to the discharge curve of the battery, and the voltage can be used to convert the battery capacity. However, due to the instability of the battery, the accuracy is not very high.

hjl2832

I remember that this battery tester has real-time capacity calculation, in the statistics table

qwqwqw2088

How to understand the real-time capacity mentioned by the host?

se7ens

I don't know what you mean.

Is it necessary to display the remaining battery percentage like the battery meter in a mobile phone?

QWE4562009

se7ens posted on 2021-9-3 13:57 I don't know what you mean. Do you want it to be like the battery gauge in your phone, which can show the percentage of battery power remaining

Yes, it should be able to display the current voltage and current power

QWE4562009

qwqwqw2088 posted on 2021-9-3 08:49 How to understand the real-time capacity mentioned by the OP

The current voltage and current power are simply the remaining power percentage and the current real-time voltage.

QWE4562009

hjl2832 posted on 2021-9-3 08:47 I remember that this battery tester has real-time capacity calculation, in the statistics table

No, I asked the store. I also tested it myself.

QWE4562009

baopodao posted on 2021-9-3 08:42 For new batteries, you can refer to the battery discharge curve and convert the battery capacity by voltage. However, due to the instability of the battery, the accuracy is not very high.

Yes, this is only the power corresponding to the open circuit voltage. There is a load when it is actually used.

QWE4562009

qwqwqw2088 posted on 2021-9-2 23:31 Is this a list of the upper computer software tests of a battery tester?

Correct Moderator

ljj3166

How can we know the real-time capacity without presetting the capacity or performing a complete charge and discharge?

QWE4562009

ljj3166 posted on 2021-9-7 13:09 How can we know the real-time capacity without presetting the capacity or performing a complete charge and discharge?

Batteries need to be modeled.