ULtra Compact 1800W charger + Eltek programming

Batteries, Chargers, and Battery Management Systems.
john61ct   10 kW

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Re: ULtra Compact 1800W charger + Eltek programming

Post by john61ct » Apr 24 2019 11:26am

Don't hardwire the plugs. This style, one per rectifier, would give greater flexibility, ensure ampacity for max output @3kW whether 115 or 230Vac input.
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john61ct   10 kW

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Joined: Dec 18 2018 2:06pm

Re: ULtra Compact 1800W charger + Eltek programming

Post by john61ct » Apr 24 2019 11:29am

Dimensions are in the spec sheets.

Maybe Smartpack as an optional addon, just put threaded holes (rivnut) to allow choice of side vs top attachment?

Ability to mount in a stock Pelican-clone case for portability and weatherproofing would be nice.

J_haggerty   10 µW

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Re: ULtra Compact 1800W charger + Eltek programming

Post by J_haggerty » Apr 24 2019 11:43pm

Yup that’s the c13/c14 standard. I’m running a similar port but specd for 20 amps and a panel mount snap in rather than bolts. Easy removal and replaceable nearly anywhere. If I can figure out how to upload a photo through my phone later I will.

dakoal   10 µW

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Re: ULtra Compact 1800W charger + Eltek programming

Post by dakoal » May 16 2019 10:57pm

Hi,

I found a source of some Flatpack2, Revision 1.2 / FW 1.10 / 1.10
All of these 9 can't be programmed for the fix start voltage.

But I also have a Revision 3.3 / FW 1.12 / 1.14.
This one can be programmed.

Does anyone think we can read out the Firmware of the 3.3 and flash it to the 1.2?
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john61ct   10 kW

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Re: ULtra Compact 1800W charger + Eltek programming

Post by john61ct » May 16 2019 11:18pm


J_haggerty wrote: If I can figure out how to upload a photo through my phone later I will.
Post to Imgur, helper apps abound.

Then link from your posts, per photo, or to a gallery.

Google Drive similar but not conducive to privacy if you haven't let go of that fantasy yet.


J_haggerty   10 µW

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Re: ULtra Compact 1800W charger + Eltek programming

Post by J_haggerty » May 22 2019 9:13am

Has anyone used CAN to program two of these at once? I'd like to program the bottom half of my 2s2p stack using one arduino/CAN shield pair and the top half with another pair, but I don't know how to use CAN appropriately to communicate with multiple chargers and can't easily find other people's posts on the topic.

john61ct   10 kW

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Re: ULtra Compact 1800W charger

Post by john61ct » Jun 08 2019 6:44pm

Edit, sorry noticed this is the S thread

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multifrag   100 W

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Re: ULtra Compact 1800W charger + Eltek programming

Post by multifrag » Jun 18 2019 7:33am

I'm having trouble with reading CAN data after plugging in my battery. The charger stops sending CAN data in CV state. When battery charging switches to CC the data starts appearing. Electrically everything works, but I can't display the data on the screen for the CV period.

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