How to check charger and battery issue by voltage meter?

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In this video we are going to show you how to use voltage meter to check Cyrusher XF650, XF800 and XF900 battery issues as following:
1.How to check the charger is working or not ?
2.How to check the charger is working on NO.1 and NO.2 or NO.1 and NO.3 pin?
3.How to check the battery is full real full charged or not ? (Huge difference Shorter Riding Issue)
4.How to check the battery input holes is NO.1 and NO.2 or NO.1 and NO.3 hole?
5.How to check the battery output hole is working or not ? ( If your battery is full charged but unable to turn on the bike computer)
6.How to identify battery key number in case you need spare key from Cyrusher Sports?
Hopefully, this video is useful.

Опубликовано:

4 окт 2024

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Комментарии : 95

@davidkeppler56 Год назад

My charger was showing green even when the battery was discharged, I wasn't sure if it was a battery or charger problem. This video enabled me to diagnose a charger problem and when I undid the connecting plug I found one wire hanging off! Quick solder and all is well again. Thank you for the video, could have been a long expensive process to determine the problem otherwise.

@KanonsKogel 5 месяцев назад

I have to same problem. What was the fix ?

@LZScout1 3 года назад

I thought your presentation was very good. Also, I didn’t have any problem understanding you. You gave me the information I was looking for.

@Cyrushersports 3 года назад

thank you

@kimbeadle5752 Год назад

Thank you for this, I ran some tests with my multimeter, as you showed, and it helped me diagnose the battery as faulty

@ATCRyderX Год назад

Randomly clicked this...was gonna just leave a troll comment & be on my way....but I gotta say putting the paper in between the pins is just such a simple brilliant move! I learned a new trick - look at me! Thanks, buddy!

@xiaobai7060 2 года назад

my charger only has one prong.. how do i test it without a short, or does it matter?

@mattc825 Год назад

OMG.. “Hi……ummmmm..”. That killed me Im dead lol😂😂

@fatdaddyurbanstore 7 месяцев назад

Hi! Thanks for this video. Just a little question. Is the charger plugged to current while you test it? The battery needs to be on, right? What if I get sparks when using the tester? Hope you can give me advice.

@kobir2729 2 года назад

When not using the charger should we leave it on or off?

@edmunddrozek4728 Год назад

This video Demo on using a voltmeter for battery testing will be helpful for those without electrical testing experience. However, Not mentioned here is the battery mount plate that is attached to the bike! If good battery but no power to the motor that part could be the root cause. If testing just that adapter plate remove the battery and use the resistance (ohms) feature in your DMM (Digital Multi- Meter). Good luck!

@sgtphilipm Год назад

Yes agreed check continuity on pins on plate

@mrjaybennett80 5 месяцев назад

When checking the prongs (4 or 5 pin) you have to check more than just the + and - you have to check the prongs in between as well as they have wires (green, red, yellow) and they can be easily separated from the prong as these wires are really thin. They all should have same voltage except for the green ground wire which should carry very little voltage.

@Andres15850 Месяц назад

Hi. i just did this and 2 of the 4 prongs didn't read any voltage (0v), the other two read about 54 v. Does it mean there is some kind of wrong connection between the battery and the prongs? thank you.

@alaingillot4718 6 месяцев назад

Also , if the charger feels warm after a few minutes , while connected to battery , it is working .

@dannymcdonald1591 Год назад

Why is 3 out of the 4 lights on my battery lighting up when fully charged

@robertchristians7492 2 года назад

Very Good, thank you

@buckonews Месяц назад

At one point it sounds like you're saying the charger is good, at another point it sounds like you're saying it's a poor charger. Please enlighten me. Also, I see the numbers reach 054.6, but I hear you say, 55,.then you say 46. My multimeter starts with 00.0, yours starts with 000.0. When I just checked a brand new,. unused 24 volt charger I got 03.7. Should I read that as 3.7 volts or 37 volts? Thanks!

@Cyrushersports Месяц назад

Greetings, we appreciate your feedback. The data you tested is 3.7v.

@buckonews Месяц назад

@@Cyrushersports Thanks for telling me. Bad luck for me, it's a new charger. All of my other chargers read 0.00

@mastadon7771 Год назад

On both my charger and battery, the center pin is not connected to anything. The battery worked for a while. What is the center pin/hold supposed to be connected to?

@F_Tim1961 Год назад

On some systems there is heating monitoring of the battery and the charger takes a signal back from an NTC thermistor. Sometimes this is hidden in sep cct within the frame of the bike. Measuring heat build up in Li ION batteries is critical.. no mafr wants to tell the User how he does it so it's harder to buy any other charger. TE Fidler NzL

@OrganicLithiumFarm 3 года назад

Hi so your example that this battery is ok right? I have a situation where it charges completely but shorter mileage? What's the problem there?

@catalinaoutfitters 2 года назад

Lower mileage typical means your battery cells are wearing out assuming you are using throttle / PAS the same amount over similar terrain.

@thankmelater1254 2 года назад

even low tire pressure can affect mileage

@davidcoles4826 2 года назад

I had a big spark as soon as I put the probes in to ports 1 and 2 on the battery!

@ciscocasillas3262 2 года назад

You put them in wrong always put growing first then red when taking off take red off first the ground

@StefanRandall Год назад

Looks like you had to modify your charger terminals? For just this situation

@Cyrushersports Год назад

Thank you for your feedback; we also have an ebike instruction manual for the battery. We'll put it in the box together.

@davidgainey1197 5 месяцев назад

And there's a wire loose on the brushless battery motor.😡

@reyadhocine715 Год назад

Is it possible to replace the LEDs, knowing that the battery is intact, but when connected to a charger, it does not charge

@Cyrushersports Год назад

Hi, Please click on our official website to submit a ticket. Our after-sales staff will contact you and help you solve the problem.

@willscott6928 Год назад

Yeah if you look at that connection it's pretty much self-explanatory.

@jamesl3973 2 года назад

Hi, I've just got my new ebike but it won't charge, the charger light stays on green at all time even my battery is empty, what could be causing this? Tks!

@Cyrushersports 2 года назад

if the charger does not get hot which means the charger is not working, you need to replace it.

@nimur2002 2 года назад

My new 36v battery fully charged gives a reading of 40v! Is that a problem?

@headhunter89meyer74 2 года назад

No, indicates healthy battery 🙃

@darrenpetersen6011 8 месяцев назад

I've got the exact same charger as you and they only have 2 wires to the plug you insert into your device. Mine is giving me 42v but when I switch multimeter to AMPS its bouncing voltage all over I'm not sure if it's ment to do that can anyone help me please.

@Cyrushersports 8 месяцев назад

Hi,Please submit the ticket， www.cyrusher.com/pages/contact

@pandakso3365 Год назад

Does battery voltage go to 0V if it is at 0% empty?

@Cyrushersports Год назад

No, the lowest is 39V

@davidgainey1197 5 месяцев назад

I still can't figure out what's going on with my bike. It's still shuts off while I'm riding.😡

@Cyrushersports 5 месяцев назад

Dear customer, We appreciate your feedback and sincerely apologize for any inconvenience you may have experienced. We kindly ask that you refrain from riding your ebike at this time. And please click here to submit a ticket. www.cyrusher.com/pages/contact Rest assured, our after-sales team will promptly contact you to address and resolve the issue. Your satisfaction is our top priority. Thank you for your understanding and cooperation. Cyrusher bikes

@sharonsauve2791 5 месяцев назад

I just replaced my battery for my trike ebike , but the battery indicator is all red but there is lots of power why would it show red when the battery is brand new no green indicator at all the whole bar is red still

@Cyrushersports 5 месяцев назад

Thank you for your comment. This battery video is suitable for Cyrusher ebikes!

@ChrisBFerguson 2 года назад

Would checking the voltage on a multimeter regularly be helpful for preventing fires?

@Dinco422 2 года назад

what ?

@GoodWolfWonRocky 2 года назад

What is a fur charge??

@lauraguan3202 Год назад

Fully charged

@ciscocasillas3262 2 года назад

Idk if to trust you because you started of wrong always put ground first the red when moving take red off first then black or else you’ll fuck up like some person did here

@paulconner9354 2 года назад

I have two 48v battery’s 13ah and 17ah. They both test 52v despite being 48v? Why’s this?

@checkmyvevo 2 года назад

48v is nominal. The range for a 48v battery ranges between 54 and 42V

@sgtphilipm Год назад

A battery like a car must charge above its nominal voltage ie acar battery is 12 volts but to charge the alternator puts in 14.2 to 14.6 volts where as a 48 volt ebattery would need 52 to 54 volts to charge the battery

@sotheamam1244 Год назад

What if the battery doesn’t charge. What if The charger always stay green

@Cyrushersports Год назад

Hi, When the battery is charging, the LED indicators will flash showing the charge level. One green ball represents the low charge. Two green balls represent half charge. Three green balls represent a full charge.

@sotheamam1244 Год назад

Is there a firmware update for this battery

@Cyrushersports Год назад

Hi, We have not set it.

@calvinmoreira4017 Год назад

Thumbs up from me.?

@gerardalongi1169 2 месяца назад

I have insiwheel ebikyu1 charged full first time,used it battery went to 1bar flash, lights, panel wheels even turn, tryed to charge ng no charge lights, anyone help t K

@Cyrushersports 2 месяца назад

Dear customer, We have received your feedback. Please help us take some videos and photos. Then, click here to submit a ticket. Our after-sales staff will contact you to solve the problem. Thank you!

@gerardalongi1169 2 месяца назад

@@Cyrushersports thanks for responding going out of my mind with this will send you what you need

@sgtphilipm Год назад

I need an address to order a new key for my HL battery which is the same position of your battery case my number is 990

@Cyrushersports Год назад

We have a physical store in Utah, USA

@howto9620 Год назад

my one only works on charge? only green light all the time

@Cyrushersports Год назад

Please take a video and submit a ticket on our website: www.cyrusher.com/pages/contact Our team will check the issue for you. Thanks.

@nicholasmorrill4711 2 года назад

What causes a 36v battery to cut out at about 39.5 volts does anybody know? (it charges up to about 40.5 volts).

@pepeshadilay 2 года назад

For safety

@nicholasmorrill4711 2 года назад

@@pepeshadilay I got this reply on another video yesterday which makes a lot of sense but I thought the BMS was supposed to take care of that stuff? Otherwise one cell goes down & it stuffs the whole battery.I would have thought it would be better if they were cut off & the battery was allowed to continue at a reduced capacity.Quote: "🌟 Grin Technologies replied: "You'd have to open it up to find out! If you have a very badly unbalanced cell group, with one cell that is at like 3.0V while the rest are at 3.9V, you would have this kind of behavior."

@sgtphilipm Год назад

If the batteries are not balanced ie one or a bank has a defective battery the battery management system will not allow the bike to move until the BMS recognises that each individual bank is on simmilar voltage

@nicholasmorrill4711 Год назад

@@sgtphilipm It alows it to move from about 40.5 volts until the battery is drained down to 39.5 volts.Why determin that that is a dodgy voltage?

@franksaunders-ot3ig 9 месяцев назад

difficult to understand.make each step clear before going to next step.

@sonythabeast Год назад

May mbe it could be the fues the problem

@amjadsy7009 3 года назад

What if the voltage meter gives zero

@craigduncan4826 3 года назад

The battery or charger is dead. Or you have wired the test leads incorrectly or the meter you’re using is broken. I would test the meter by connecting it to your local AC mains supply as an example to confirm that it reads a voltage. Or get a battery like AA battery and measure across both ends of the battery for DC voltage and verify the same.

@OrganicLithiumFarm 3 года назад

@@craigduncan4826 Hi Craig I have a situation where the battery charges completely but gives me shorter mileage like 70% less than what was advertised on the ebike company. Any recommendation how to test / parameters to determine I have a dud battery or charger?

@craigduncan4826 3 года назад

@@OrganicLithiumFarm have you charged and then discharged the battery many times already? If not then likely it is simply a case of false advertising- they all do it all the time just the same as electric care makers or diesel car makers say “80mpg” when really in reality you get 60mpg. My ebike is the same- in real world use probably I get about 70-80% of what they claim I would get.

@OrganicLithiumFarm 3 года назад

@@craigduncan4826 mine is worst though they claim 35 miles but I get is 6-8 miles ? What's your take on that its very far from their numbers.

@craigduncan4826 3 года назад

@@OrganicLithiumFarm that’s really far off. Are you peddling with it on full pedal assist or middle or what? I put in fair effort with mine on middle assistance and can pedal up hills through town at 20mph and I get around 60% of what they claim I would say. If I had it on full assist or didn’t pedal at all, I would probably also only get about 5 miles or so

@chewitt6426 Год назад

as clear as mud....

@dahveedl3133 Год назад

3:05 did he just say "...the charger is fucked"? Seriously, I cant understand this guy.

@B-U-N-Z 3 года назад

sorry, i fell asleep

@almo142 2 года назад

Me too please don’t play with mains electrics but well done

@bibimus5491 Год назад

Same😊

@Cyrushersports 4 года назад

Need more help ? pls visit www.cyrusher.com/en/m/marketplace/customer-support

@freez911 Год назад

I need to listen few times because you have a strong accent 😞 sorry. Sorry at the end only understood 70 percent of your instructions. I have problem listening to your English.

@humberrivershame 2 года назад

a lot of number 2's lol

@codybassett8659 2 года назад

im sorry terrible video

@soloist2012james 3 года назад

probably a great video however u should include subtitles bcuz your accent is impossible to understand

@larrym2434 3 года назад

You should probably learn to speak chinese, then you'll be able to talk to him in his native language. Or maybe you should listen closer, because it's not that hard to figure out what he's saying.