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Thread: AiLi Battery Monitor from Amazon
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03-24-2020, 06:08 PM #1
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AiLi Battery Monitor from Amazon
I elected to save some money and install the sub $40 AiLi Battery Monitor from Amazon (Chinese) vs the Victron or other more expensive options. I had to extend the 2m cable that came with it, using a 26/4 shielded cable that seemed to match up quite well with the factory cable. Other than that, the install was quite straight forward.
When I powered the unit on and set my battery parameters (also straightforward), the display continues to blink and indicate a positive amperage as if it is charging. There is a plus sign on the display to also indicate a charging condition. My solar charger nor converter are currently connected so there is no way positive amperage could be seen by the battery/monitor. In addition, the displayed amperage is alternating between ~1.4A and 2.8A (both positive). There seems to be a problem...
I verified the shunt connections to the battery and chassis are correct. The only thing I can think of is that my splicing of the cable (twice) has a bad connection. Each location has five gel style crimps...one for each of the four 26ga conductors and one for the stranded shield. Perhaps I wasn’t supposed to splice the shielded strands together? I basically took the strands from each cable and spun them into “wires” and used the gel crimp to tie them together. Is that how to splice stranded shielded cable like that?
I tried to contact the seller thru Amazon but they are in China so who knows. I thought maybe someone on here has had a similar experience? Or my splicing is bad?
Sent from my iPhone using TapatalkJohn and Jessica - Plus 3 Kids...2 Cats...2 Dogs
Tucson, AZ - Sabino Creek
2019 Imagine 2800BH
Towing with 2018 Ford F-150 3.5L EcoBoost 4x4 Super Crew
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03-24-2020, 08:18 PM #2
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Is there a twist mismatch?
Most network wires use twisted pairs. The pairs must maintain as similar a twist direction an rate as possible.Rick
2019 Reflection 150 273MK
2015 Ford F350 CC SB Lariat Powerstroke
PullRite Superglide
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03-24-2020, 09:08 PM #3
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AiLi Battery Monitor from Amazon
That’s what I’m confused about. The cable I used (CBAZY 2547 26 AWG Control Cable... https://www.amazon.com/dp/B072LVBTFF...p_mob_ap_share) doesn’t have twisted pairs. It has the same 4x 26ga main conductors as the factory cable, plus a foil cover and a stranded bare shield that wraps around the entire group of 4 conductors. I gathered the shield strands and twisted them into a bare wire, which I crimped to the other cable’s stranded shield wire that I did the same thing to. This shield (ground) seems to terminate in the center pin of the 5-pin JST connector.
I’m confused how I could’ve done it any other way?
Sent from my iPhone using TapatalkJohn and Jessica - Plus 3 Kids...2 Cats...2 Dogs
Tucson, AZ - Sabino Creek
2019 Imagine 2800BH
Towing with 2018 Ford F-150 3.5L EcoBoost 4x4 Super Crew
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03-24-2020, 09:15 PM #4
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So double check the original for pairs.
I'd also quintuple check the joints. Those tiny wires are very hard to work with!Rick
2019 Reflection 150 273MK
2015 Ford F350 CC SB Lariat Powerstroke
PullRite Superglide
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03-24-2020, 09:20 PM #5
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03-25-2020, 05:56 AM #6
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Keep us posted. I also have this but did not extend. I have mine mounted near the ground control panel.
Jim and Belinda H. Pa.
2018 337RLS- 2nd ac, dual pane windows, table and chairs, Kodiak disc brakes 12-28-17 (Thanks Ed!)
720w solar, 100/50 Victron scc
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03-25-2020, 10:37 AM #7
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U can buy a longer cable on amazon. Have read in comments on YouTube videos that people have lengthened their cable using cat5 or cat6 cable. I am going to do that and if it doesn’t work I’ll order a longer cable. I am using the wire connectors that have the solder in them
John & Joanne
2018 Solitude 374TH
2018 GMC 3500HD Duramax CC DRW
2001 Harley Ultra Classic
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03-25-2020, 11:35 AM #8
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I got it working! I redid all of the gel crimps for the extension cable. Must’ve been a bad connection.
Is 0.25A a typical parasitic draw? With battery disconnect set to off, only draws 0.003A, presumably the battery monitor display. When I turn on the battery, jumps to 0.25A with no lights or other obvious draws.
Sent from my iPhone using TapatalkJohn and Jessica - Plus 3 Kids...2 Cats...2 Dogs
Tucson, AZ - Sabino Creek
2019 Imagine 2800BH
Towing with 2018 Ford F-150 3.5L EcoBoost 4x4 Super Crew
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03-25-2020, 12:18 PM #9
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Did you connect all 5 wires.
John & Joanne
2018 Solitude 374TH
2018 GMC 3500HD Duramax CC DRW
2001 Harley Ultra Classic
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03-25-2020, 09:17 PM #10
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John and Jessica - Plus 3 Kids...2 Cats...2 Dogs
Tucson, AZ - Sabino Creek
2019 Imagine 2800BH
Towing with 2018 Ford F-150 3.5L EcoBoost 4x4 Super Crew
Channging Battery Type?
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