Anyone know about the COBOX Wattmeter - Power Analyzer?

Batteries, Chargers, and Battery Management Systems.
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bostjan   1 µW

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Anyone know about the COBOX Wattmeter - Power Analyzer?

Post by bostjan » May 13 2015 4:38am

I search for Android Wattmeter on the net for my eBike and found wireless Bluetooth COBOX Wattmeter for Android device and it is not so expensive.
PUH_2812.jpg
http://www.cobox-ebikes.com/290/wireles ... power.html
I wanted to know if anyone has experience with it?

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voicecoils   10 MW

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Re: Anyone know about the COBOX Wattmeter - Power Analyzer?

Post by voicecoils » May 13 2015 6:13am

I haven't used one but looks to be powered by an Arduino Mini: https://www.sparkfun.com/products/11113

Interesting voltage range of 55v max, that excludes 16S 48v iron phosphate which charges to 58.4v

Cobox says a new version is coming with bigger voltage and current windows. Good idea!

BikeB4Drive   1 µW

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Re: Anyone know about the COBOX Wattmeter - Power Analyzer?

Post by BikeB4Drive » Jan 13 2016 3:41pm

I'm on my first ebike project and I was wondering if you ever tried this product out? I was eyeing the Mooshimeter by Mooshim but they are still a bit of a new product and nothing like the utility you found in this watt meter.

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Samd   1.21 GW

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Re: Anyone know about the COBOX Wattmeter - Power Analyzer?

Post by Samd » Jan 13 2016 6:39pm

Actually that looks like an Arduino mini butted up next to one of those cheap DC-DC stepdown units. It sure seems to be!
I guess thats the power source for the 'Duino.

Interesting.
_DC_DC_step_down_converter_LM2596HVS.jpg
http://ballaratebikes.com/

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DVDRW   100 W

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Re: Anyone know about the COBOX Wattmeter - Power Analyzer?

Post by DVDRW » Jan 13 2016 6:47pm

DC-DC ~1$
Arduino ~2$
BT module ~3$

Good find, that 55v is 36 version. 48V version is upto 60V.
Any cheap 24 cell voltage to android device exists?

handbaked   100 W

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Re: Anyone know about the COBOX Wattmeter - Power Analyzer?

Post by handbaked » Feb 17 2016 6:04pm

Now if only the code was available...

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Re: Anyone know about the COBOX Wattmeter - Power Analyzer?

Post by handbaked » Feb 22 2016 7:34pm

bostjan wrote:I search for Android Wattmeter on the net for my eBike and found wireless Bluetooth COBOX Wattmeter for Android device and it is not so expensive.
PUH_2812.jpg
http://www.cobox-ebikes.com/290/wireles ... power.html
I wanted to know if anyone has experience with it?
Anyone have experience of these?
voicecoils wrote:I haven't used one but looks to be powered by an Arduino Mini: https://www.sparkfun.com/products/11113

Interesting voltage range of 55v max, that excludes 16S 48v iron phosphate which charges to 58.4v

Cobox says a new version is coming with bigger voltage and current windows. Good idea!

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7tronics   10 mW

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Re: Anyone know about the COBOX Wattmeter - Power Analyzer?

Post by 7tronics » Oct 26 2018 5:14pm

The Speedict.com Neptune line is the closest we could find to the COBOX Wattmeter for some of our educational demos. We have ordered each version COBOX Wattmeter and will post results once we are able to test them.

If the Speedict Neptune can be setup without attaching individual cell monitoring leads, we will test one of them as well.

Best, Mark
Mark Smith, @W4CHL W4CHL Wiki
Light Electric Vehicle Assn
eBikes: 2001 Currie eFolder, 2001 Currie Mtn, 2005 Giant LaFree Lite, 2008 & 2010 Currie Trailz, 2010 iZip Via Rapido, 2011 Powabyke Shopper, 2008 Optibike R400, 2010 Marin Bikes BionX MTB
Other LEVs: 2007 Currie Tech eZip 500 eScooter, 2013 OT ELF (4Q2013), 2017 Osdrich A10 Hoverboard

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7tronics   10 mW

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Re: Anyone know about the COBOX Wattmeter - Power Analyzer?

Post by 7tronics » Oct 28 2018 3:19pm

Hmm, striking out here!

1) No one has responded to our requests of COBOX-ebikes.com including a PayPal order!

2) the Neptune 15 tech support responded that their device must be the BMS for the pack and won't work unless the cell connections from at least 10 cells are connected

The Cycle Analyst wins again for this application as an EV Wattmeter and battery state of charge meter.

Best, Mark
Mark Smith, @W4CHL W4CHL Wiki
Light Electric Vehicle Assn
eBikes: 2001 Currie eFolder, 2001 Currie Mtn, 2005 Giant LaFree Lite, 2008 & 2010 Currie Trailz, 2010 iZip Via Rapido, 2011 Powabyke Shopper, 2008 Optibike R400, 2010 Marin Bikes BionX MTB
Other LEVs: 2007 Currie Tech eZip 500 eScooter, 2013 OT ELF (4Q2013), 2017 Osdrich A10 Hoverboard

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7tronics   10 mW

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Re: Anyone know about the COBOX Wattmeter - Power Analyzer?

Post by 7tronics » Oct 30 2018 11:26am

After several more attempts to contact the people at cobox-ebikes.com, we have given up. The PayPal order was never received after 5 days, so we cancelled that as well. Looked like a nice product, sorry the e-mail and PayPal order can't get a response on the promising COBOX Wattmeter.

As mentioned above, back to a Cycle Analyst with cable connection.

Best, Mark
Mark Smith, @W4CHL W4CHL Wiki
Light Electric Vehicle Assn
eBikes: 2001 Currie eFolder, 2001 Currie Mtn, 2005 Giant LaFree Lite, 2008 & 2010 Currie Trailz, 2010 iZip Via Rapido, 2011 Powabyke Shopper, 2008 Optibike R400, 2010 Marin Bikes BionX MTB
Other LEVs: 2007 Currie Tech eZip 500 eScooter, 2013 OT ELF (4Q2013), 2017 Osdrich A10 Hoverboard

bobmutch   100 W

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Re: Anyone know about the COBOX Wattmeter - Power Analyzer?

Post by bobmutch » Oct 30 2018 8:04pm

7tronics wrote:
Oct 30 2018 11:26am
As mentioned above, back to a Cycle Analyst with cable connection.
You could checkout Vlads PV Dashboard, they have a $119 BT board with a CA3 JST 6pin and you can have the dashboard. I think this app will end up connecting to Olive Leaf 300A 8S-24S or 16S-32S BT miniScreen BMS.

https://www.youtube.com/watch?v=vMterv6BGNY
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