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KNACRO DC 8-70V Battery Capacity Tester
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- čas přidán 4. 06. 2018
- KNACRO DC 8-70V 12V / 24V / 36V / 48V LCD Lead-acid Battery Capacity Tester Gauge Panel Battery Statue Indicator Monitor Electric Quantity Detector Reader
This video shows how to program the tester so it reads the correct battery percentage.
Instructions:
1. Press and hold switch on the product, then power on
2. Select your battery type by pressing power button, for example L is for lithium battery and the number is for how many cells in series. P is for lead-acid batteries.
3. When you have the correct selection just power off the unit.
www.amazon.com...
Congrats on that scale moving. You're doing good.🎉
Thank you!!
Thanks i did not know how to come in the settings.14 cells lithium by 58.4 volts. 43 amp/h.Custom bild by Robin Edwards for my Emco Novi.
Works great now the indicators.
Can you do a video of how you connect it to your battery.?
I plugged mine in set it went town about 4 miles drove around and headed back home barely made it up the hill and the reading never left 100% charge.
Thanks for video. How do you reset the meter? Mine stuck on F type and I can't change it.
Great video. Now could someone pleaaaase, show how or where in the battery you connect the negative and the positive wires in an Electric Bicycle.
I live in the Toronto area, and I had called so many places that deal with batteries, mopeds, Ebikes, etc, but NOBODY wants to install this simple device. Most are just sellers or just don't care for Ebike services.
My battery is a 48V 13AH Li-ion Hairon Ebike battery-
Thank you.
Connect the positive wire of the battery indicator to the ignition switch so that the display will turn on only when the switch is on and negative wire to any negative wire.
Trying to figure out the s function .. the s5 funtion says in the directions that it's for 2.65 -3.3 v or 2.9 -3.36 v .. I'm using a 12v 100ah lithium iron phosphate battery .. so it's confusing me on what to select for the s5 function.. .. I should have about 3.2 volts per cell .. so I know to select 4 in series to make that about 12.8 volts I'm monitoring.. does the s5 selection have anything to do with ah?
how is it hooked to the battry please? thanks for the good video
Just red to positive and black to negative
I have the same item. Since it is already in the dash I can only disconnect the negative battery terminal and try to set. When I connect the negative with the button pushed I don't get to change any settings. I have a 48 volt club care DS and no matter how long I drive it always shows 100% and 49 volts. Do you have any ideas about how to remedy this?
I have the exact same tester yet it seems stuck on voltage and percent. Cannot change to different battery types or numbers.
I don't get the Battery percentage. I am using car batteries, two of them. I have it set to P-2 but get 0% then 12.7v. How do I get it to show how charged the battery is?
the one i have for lead acid its the same thing you have but it has P 1 p 2 p3 p 4 ect ect it doesnt go 12 24 48 ect ect it just does it like this P1 P2 P3 so on so forth
What would I set it to for a 48 volt 13ah battery. On my upgraded ebike
Hi, would this work on a single cell Lithium ion battery?
Nice. Good job.
If lithium discharge curves are flat how can it give you an accurate measurement of SOC. Nominally the voltage would not drop until the lithium pack was almost flat and then it drops like a rock.
Li-Ion cell drops voltage all the time, so this meter can be accurate enough.
Hi brother, I want to use this device for 60v lithun and lead acid batteries, can you please explain how to set the setting for it .
Hola amigo cómo lo configuro para una batería de litio lipo 4 moto eléctrica de 72v .
Ya no lo tengo y olvidé cómo funciona. Pero este alcanzará un máximo de 70 V, cualquier cosa por encima que lo queme.
Can we check the battery status of any finish goods products like trimmer mobile with this gadget
I am using lithium for my trolling motor and am trying to hook this little guy up, what connectors did you use ?
You say you can monitor the battery while it charging, cutting it at 90% if time demands it. But does charging at a fixed voltage not show up on this meter? Many batteries have a BMS that connect charging leads to P+ and P-, so how does this work?
Think of it as a voltage meter, it's very basic. Its just a + and - connected to the battery. This was a very old video and I no longer have the unit. Sorry, I hope that helps
Thanks man. Great video
Lets say I have a portable vacuum machine and a 12v 9Ah battery how would I connect this gauge so I would know how much battery I have left in a close battery how would I know number of cells and will this gauge drain the battery ?
Set it to 12v and connect the 2 wires to the battery. It's just a voltage meter with set parameters for the voltage you select to display a percentage amount. If you leave it on it will draw power but very very little. If you don't know the cell count, just select 12v, but in most lithium batteries a 12v pack has 4 cells.
@@Ricks_Tech_Talk So there's a on and off switch on this voltage meter? Do I need to wire as 4 cell ?
I think the off was when you press the button, press again to turn it on. If the battery is lithium, use the L4 if it's acid just use the 12v. It only has 2 wires to hook up, a pos and neg. I don't have the unit anymore, some I'm just getting the info from the video.
Can you help me . I have 2 lead acid battery 250 amp each.in the setting there are l p f .what does they mean. Is set it l and number 6 .is it good or i need to change something.thanks for the help
Thank you. Big help.
I have the same capacity testor how can I set it up with one battery VMAXTANKS SLR125 Solar Battery 12 Volt 125Ah
Thanks for the video
hey can i ask you a question if my e bike is set to cut off at 29volts would this be accurate would it show no bars at 29 volts thanks alot
dublinese4 that's a good question, I want to say no it would not. I have not used the meter in a long time but I think the voltage would have to drop to 0. But don't run your ebike battery down too far and try not to charge it to 100% every time. If you charge to 80% and run it down to 40% you will extend the battery life. But charge to 100% from time to time like every 8-10 charges. I made a video on how to discharge your battery for storge, check it out if you have time czcams.com/video/vppFwoV3-S8/video.html
Thanks for watching and hope you subscribe :)
@@Ricks_Tech_Talk thanks very much for the reply and i thanks for the info you have a new subscriber🤗
helped me a lot, thanks
Great video thank you
Thanks for the video it helped. One question if I have a 36 V battery I set the meter to L 10?
Sorry, wish I could tell you. I haven't had the unit for over a year.
Rick's Tech Talk OK thanks anyways.
I have a 60ah LifePO4 12.8V battery and a 135 ah LifePO4 12.8V battery, can you please help me with the correct settings for these two batteries? I'm not sure how to determine the number of cells in each one. Thanks.
Sorry James I looked for the one I had, and I can't find it.
@@Ricks_Tech_Talk No worries Rick I actually found the manual for it online :-)
new supporter here , great video , hit the like button and shared as well
On my meter the F is for flooded lead and the P is for just lead?
Sorry I'm not sure about that
I have an E-bike with a 48v 4.5ah battery, how do I know how many cells are in the pack ? Thank you sir.
You will have 13 in series and if they are good cells it could only take 2 in parallel so a total of 26.
Each cell could be from 2200 mAh up to 3000 mAh. So 13 batteries with 2 in parallel with say 2500 mAh each would be 5ah at 48v
Can't get it to change its 38.6volts and my bike is 36vilts
full charge on a 36v battery is 42v do you have that option?
I have 2 lithium batteries 12v 100ah each has 3 batteries cells, they are in parallel it's supposed to be 12v 200ah which setting in the unit should i use I tried 6 and it says 00%
no 6 ..3 L
will this safety after installed? afraid lead to electric shock on the cable whilst driving in someday.
It will be as safe if installed correctly. Good luck
@@Ricks_Tech_Talk alright. Thanks for your word. Take care
hey man i tried to power it off then back on by disconnecting it just like you showed with a 12v battery and it will not go into program mode
If there is a button on the back press that one
Bonjour j'ai 5 batterie au plomb 60 volts . est ce bien p5 l,ajustement merci
Désolé, je n'en suis pas sûr. Je n'ai pas eu l'unité depuis longtemps.
Yeah, so no matter how many times I tried pressing the button and turning on power I do not get the menu screen to set up my battery type. 👎
That stinks, sorry to hear that. I longer have mine and cant remember how it worked. I would see about contacting them for a replacement. Most sellers will send you a new one without having the old one returned.
Can this be used to check the capacity of a deep cycle battery for camper van?
I use it for my popup camper so yes :)
@@Ricks_Tech_Talk what wires did you buy to connect it
Could you elaborate on the process/how you connect the cables. I'd like to add a permanent battery meter to a project (12V Lithium battery). No idea where and if it's possible to inter connect the + and - wires to the battery. Anyone able to assist with that?
It's very basic, just two wires to hook up. Red goes to the + on the battery and Black to the -- thats it. Hook the wires where you would connect the device that you want to power up and that's it. GL
@Ricks_Tech_Talk I recently installed this meter and all is great, however when I plug in an On/Off switch to my project the reading is 0% and voltage shows 10.1V
If I remove the On/Off switch the result is perfectly normal and I get e.g. 35% battery reading.
Why would this be?
My project consists of the following: 1) A 12.6V Lithium Ion Battery pack 3S2P 2) LED strip lights (2.0m) and 3) Touch sensitive On/Off switch
NOTE: All components are DC (female and male) jack compatible and hence plug and play is possible. I installed the Battery Voltage Meter as described ----> It follows AFTER the On/Off switch.
Please let me know your thoughts.
It needs to be connected to power at all times :( But by doing that it will drain the power of the battery over time.
@@Ricks_Tech_Talk Thanks for your feedback. To confirm, does this mean the meter needs to form part of the circuit and be placed before the On/Off switch? Why would I get a different reading when I place the meter after the On/Off switch? Shouldn't the reading be consistent regardless?
My guess is the current / resistance is changed when it's part of the circuit because it needs to find a way back to the battery for a reading. Just hook it up separate from the circuit. But it should work fine if you want to and a switch in line with it to turn it off. Just make sure it's just an on-off switch and not one that lights up when on. If you have something inline with the meter that draws power, it will mess it up. So in the end the meter and your project will connect to the pos and both to the neg. When I did mine, I had the wires connected to the pos and neg hooked to a XT60 connector, I just plugged the meter in when I wanted readings.
Can you recommend a Battery Capacity Tester for AGM batteries or is it possible to use this tester?
I haven't had this tester for years now but I 90% sure it worked with agm. If you look for it on Amazon i bet it shows what batteries it works with. GL
@@Ricks_Tech_Talk Thank you. It seems AGM percentages and Lead Acid have different percentages for state of charge. All the Amazon meters don't seem to mention AGM.
Yes AGM is 12.8-13.1 and Acid I think it 12.6-12.8 at 100% I looked and this meter only does Acid and Lithium-ion. But its just a percentage meter. It will show the correct voltage but the percentage bar of what's left might be off. So you might be overthinking this. Think of this as just a voltage meter with a percentage bar for looks. You know the max and low voltage the batter should be at and that's all you need to know. Lets say you want the battery to show dead at 11.6v but the percentage shows 20% Well now you know to stop at 20% because that's dead. You would need to find on that's adjustable to tweak the percentage bar to the voltage you want. I don't think they make one like that. Hope this helps
Does it work on LiPo battery?
Hello, can someone tell me please what this connectors are called on the cable?
I was Googling same info yesterday. :)
i have a 12v and when u went to lead acid i didnt see 12 show up? why?
nevermind i seen it
Is this rain proof or waterproof?
Will it work with two 9v rechargeable batteries in parallel?
Yes, it should not be a problem
Rick's Tech Talk it will read for 1 battery or for 2 battery , if I connect it to 2 batteries?
Hello sir. So how would this work if I have 2 batteries boxes . One is 10 ah and the other 12 ah. I think it's a total of 70. Would it just be 7 * 10 on the settings? Thanks
Firstly it is advisable not to connect two different Ah rating batteries. Secondly for example, if you have same Ah batteries and you have connected them in parallel. So the series connection in both batteries is same. So you'll just count series numbers and put them in your battery indicator.
Bana bu aletten lazım nereden bulacağım acil
That is good
It's a volt meter
You have 10 batteries?
sorry don't remember what I had in that pack
12volt battery connect yes.and no
Yes
Battery display nmae
Name
And price
Its Rs.559 and its available in Amazon.in
Traduzcan en español
lo siento, desearía poder ayudar con eso
What would I use for a 48v 1000w ebike battery