Beginners Guide to Processing 18650 Cells | Cell Database


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Esperyd Solar and powerwall system
#11
Looking Good!
Where did you get you DC switch below the Mppt Hybrid?
Current: 2.5kW Inverter (Off grid)  | Custom mppt solar charger | 160Ah@24V 18650 | 200W Solar PV

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#12
That one is from Biltema: http://www.biltema.se/sv/Fritid/Husvagn-...000022613/

They also have some other types but this one i like the best. For choosing battery i will be using this one:
https://www.solar-electric.com/miblseabases.html

Biltema have such a device to but you can not switch between 1-0-2 And then from 1 or 2 engage the other at same time... So thats why i didnt choose that one.
Follow me! >> YouTube / Forum system setup / My webpage  Diy Tech & Repairs

Current: 10kW Mpp Hybrid | 4kW PIP4048 | 2x PCM60x | 83kWh LiFePo4 | 10kWh 14s 18650 |  66*260W Poly
Upcomming: 14S 18650~30kWh | Automatic trip breakers, and alot more
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#13
Looking at the solar power cables through the tin roof is a disaster ready to happen. If its sitting at +50V it can be lethal.

Remember with DC there is no letting go.

Run down to your local hardware store or something and get a roof gland/boot installed, cheap insurance for your life.
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#14
Already done. Images are a bit old...

And your wrong about the voltages.. Its 10x that Wink Its actually up to roughly 760V. And thats deadly!
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Follow me! >> YouTube / Forum system setup / My webpage  Diy Tech & Repairs

Current: 10kW Mpp Hybrid | 4kW PIP4048 | 2x PCM60x | 83kWh LiFePo4 | 10kWh 14s 18650 |  66*260W Poly
Upcomming: 14S 18650~30kWh | Automatic trip breakers, and alot more
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#15
I got hit with 7000v dc once and I'll never forget it. Touched it with my finger and BOOM!!
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#16
(04-01-2017, 12:59 AM)Project Wrote: I got hit with 7000v dc once and I'll never forget it. Touched it with my finger and BOOM!!

How is that possible? Wouldn't that pretty much instantly fry your finger like a hot dog? I thought even around 150vdc was considered lethal.
Solar Setup: 9x 320w panels, PCM60X charge controller
Battery Setup: 14x 120 cell 18650 packs, 48v configuration

Recommended Items:
Opus BT-C3100, Cell Heat Shrink, 4-Cell Holders
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#17
.0000000001 amps Tongue
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#18
Its not just about the Volt. Its all about the current Smile I have touched several 10 000V fences and other and still alive Big Grin
Follow me! >> YouTube / Forum system setup / My webpage  Diy Tech & Repairs

Current: 10kW Mpp Hybrid | 4kW PIP4048 | 2x PCM60x | 83kWh LiFePo4 | 10kWh 14s 18650 |  66*260W Poly
Upcomming: 14S 18650~30kWh | Automatic trip breakers, and alot more
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#19
(03-31-2017, 06:51 AM)daromer Wrote: That one is from Biltema: http://www.biltema.se/sv/Fritid/Husvagn-...000022613/

They also have some other types but this one i like the best. For choosing battery i will be using this one:
https://www.solar-electric.com/miblseabases.html

Biltema have such a device to but you can not switch between 1-0-2 And then from 1 or 2 engage the other at same time... So thats why i didnt choose that one.

Ah, i see. Thanks, have been looking for these switches forever....  Tongue
Looks like the solar- electric one is the most suitable for my setup Smile
Current: 2.5kW Inverter (Off grid)  | Custom mppt solar charger | 160Ah@24V 18650 | 200W Solar PV

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#20
(04-01-2017, 01:16 AM)mike Wrote:
(04-01-2017, 12:59 AM)Project Wrote: I got hit with 7000v dc once and I'll never forget it. Touched it with my finger and BOOM!!

How is that possible? Wouldn't that pretty much instantly fry your finger like a hot dog? I thought even around 150vdc was considered lethal.


It burned a slot right into it and burned my arm all the way to the elbow. I have a picture somewhere of it. The wire was small, about 10g but it sure packed a punch. Got me an ambulance ride to the hospital.

[Image: ba0f718f240fe2f97590d3cb48d1d47c.jpg]
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