How To and Review KONNWEI KW208 12V Car Battery Tester 30$ Battery And charging system tester?!
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- čas přidán 7. 09. 2024
- Reviewing An Amazon deal that almost sounded too good to be true! A $30 automotive battery and charging system tester. KONNWEI KW208 12V Car Battery Tester, 100-2000 CCA Load Tester Automotive Alternator Tester Digital Auto Battery Analyzer Charging Cranking System Tester for Car, Truck, Marine, Motorcycle, SUV and Boat.
Amazon link to buy amzn.to/2SXXuQf
It's Konaweewee, thanks for the great vid, bro!
Ha Ha 😆 glad I could help
Your Ghost boombox experience is a capacitive charge. Energy left in a capacitor that hasn't disapated. Not a surface charge.
Well done. 😊 Thank you from Germany. 😊
I’m glad you found the video helpful my new friend from Germany 👍⚡️
i decided to buy this because i literally just replaced my battery a month and a half ago and the dealer tried to sell me a battery? Obviously the battery tested good when I used this tester lol.
Nice car I love this car I got mine in grey at 15 years old !!! I love it
Sweeeet G6 GT convertible?
@@RussShawTV yess
Thank you for the nice presentation.
Your welcome I still use this device to this day! Only once did it give a false positive and that was the 12 V battery in a hybrid vehicle. Most of the time it’s been very accurate!
Thanks for the video. In the charging test, I think you have to press enter and immediately increase RPM... I don't know
Can’t remember I haven’t used it in a while. When I was working at the Ford dealership we had a super high tech battery tester/charger.
I also found out hybrids that have a 12 V battery to start the vehicle they aren’t real accurate.
@@RussShawTV thanks very much. Do you think a most advanced tester could be more accurate? The one you show sounds good but I was looking at a foxwell bt780 but boy that one is about $220...
@@carlosw1687 Not really sure I hadn’t researched it that much. Working at the shop we had a lot of this on hand owned by the dealership or the auto shop.
@@carlosw1687 These testers are all based on the patented Motorola/Midtronics A/C Conductance Technology that were developed in the early 70's and mid 80's that used to cost in excess of $2,500+ a tester in the mid 90's. They are overall fairly very accurate to determine the State of Health(SOH) of the battery as it tests the resistance of the battery's plates and electrolyte. The most important reading is the Internal R (mΩ) value and anything over a 6.0mΩ means your flooded cell battery is on the verge of being kaput and time to replace.
this was extremely helpful. thank you
$5 off coupon on Amazon now. I bought another one that said my ccas were low. Going to test against this one and see what it says. Battery on and off were consistent with a multimeter on the other tester.
You may have a bad cell.
@@RussShawTV I tried using the konniwei on my battery to test the cca. It said turn on the engine. When I did that the car shut down entirely and wouldn't do anything. Like the device zapped the battery and sent a jolt through the electrical system. No clue why it did and serial to use it again.
Thr battery has always started the car without major issue.
@@kazper2011 WOW 😮 Weird I’ve never heard of something like that
@@RussShawTV right? I don't know if the unit is defective or what. Not sure if it is safer to start the car with it hooked up or hook it up after the car is already running.
@@kazper2011 Impossible for the unit to short the battery with the high amperage of automotive batteries the tester would have melted before anything else. Plus there is no need to start the car to test the CCA or the condition(SOH) of the battery.
I wonder why my Konnwei only says 'Charging normal' if I turn the AC on as well and at max cold settings. If not max AC or AC off, the Konnwei keeps saying "No-Output", and I dunno why the values are just around 12.98V if the AC is off, and 13.67V if the AC is on and thermostat is max low. It says "Good battery" in Battery Test, and Cranking Test is also good. I wonder where I screwed up lol
This is normal, because the AC takes mechanical power directly from the engine through a separate belt, in order to rotate the cooling fluid compressor. Therefore its operation does not load the electrical system at all, with the only exception of the electromagnetic clutch included therein, which couples the compressor to this specific belt moved axle. But this load, along with the rest of the cooling system (electronics and mostly relays), represent a minimal load in comparison to the rest of the electrical system. All of these above are true only in the case in which the AC is not a hybrid system, meaning that along with its mechanical operation it is also supported by a battery (which finally makes it an additional electrical load).
You probably didn't rev the engine up to get charging output.
With the AC on, it increases the idle speed to the point where it develops charging current.
@@user-pz6cx8zf2y The blower motor is what increases the load on the alternator, not the compressor. When testing your alternator you are supposed to turn your bright lights on, ac/heat/fan on high, and turn your radio up loud. All of these things increase the load on the alternator and the voltage should decrease a bit. If it decreases too much the alternator may be weak. It doesn't matter if you turn on the ac, heat, or just the fan as long as the fan is running on high.
@@mattstone5067 This is what I already explained in my comment above, expressed in other words...
Cool video Russ.... how many Miles on the G6 now?
Almost to 100K 99,000 something now my friend
Good job.
How can you use this tester on a battery with side terminals that has been removed from the vehicle? How can the alligator clamps be attached to this type of vehicle?
I assume you mean once the battery has already been removed from the vehicle?
@@RussShawTV Yes.
You can get a bolt the same size as the terminal screws that would work. 👍
Hi sir. What type of battery i need a 24v battery tester??
24v for what?
@@RussShawTV im also not sure thats why i wana ask? 😅 beacuse i saw some battery tester support both 12v and 24v one.
24v for some heavy equipment like a backhoe or grader
Does it work on xs3400
Mine says replace and it's new
Why get back in the car to up the RPM ?.
Depending on the charging situation sometimes it will ask you to bring the car up to 2500 RPM in order to test the alternators ability to not just charge the vehicle but delegate how much amps the system and battery are getting to recharge and not overcharge
Are you sure that BMW/Exide battery is not an AGM battery ? An internal resistance of 181.82mΩ is extremely high and almost impossible with a flooded cell battery.
Recorded this a year ago I have no idea 🤷🏻♂️