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diy solar

diy solar

Post Battery Bank and Inverter! (pictures only)

i recently converted to 48V 280Ah, JK BMS
6kW egs002 diy inverter (repurposed ampinvt inverter)
victron 150/100
everything is located outside, zero risk if it all burns to the ground. only thing entering the house is 115/230VAC and grid 115VAC supply for the backup battery charger

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Here is my latest work. 10kW Simexcel Isuna hybrid inverter with 10kW Sinexcel batteries. 18kWp solar panels on the roof. Not my cleanest install, since it’s in just our warehouse. Residential installs are much cleaner
 

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I live in South India six months a year, the limit of my five year visa. I have small 70 year old house surrounded by 50 coconut trees, bananas, papayas etc. actually much like my house in Nicaragua at the same latitude and 178 degrees east.

The municipal power fluctuates between 180 and 240v and no power for 8 hours four times the last month. China and India are not on speaking terms so I don’t have access to our dear Amy and all the sources of solar the rest of the world does. Oddly enough though, I had a 24v 100ah LFP built which arrived last week, using EVE cells manufactured in India. Inverters are a much bigger challenge as few use solar here, most houses relying on inverter UPS and giant FLA batteries for power cuts.

I found a suitable inverter after much searching, an all in one looking like a 1980s Bollywood DVD player in gold, red, green with a tiny LED screen for setup. 2000w 100v MPPT, 1500w pure sine but a 3000w surge for 30 seconds. The sucker is heavy! I’d like solar but it makes no sense here. I side a simple life and use about 80kwh a month for $6 and .60 a month connection fee when not here. Panels and mounts wouldn’t pay for themselves.

The house is always on battery power and in the event of a disaster will keep the course lit for 3 days if I don’t charge the e-scooter. The scooter is amazing, about 45 miles on 1 kw! Inverter LG fridge, 400w a day. A few lights, chargers, MacBook and I have everything I need.

Total cost, $550. I’m so happy.

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Let's see if we can pull this off!
Built for a friend. 24v 100ah x2 batteries, 24v 3000w Hybrid inverter. Set up to charge from her car when driving or solar panels plus A/C input and 12v DC output if needed. I’m surprised how little I have heard DC/DC chargers mentioned in my travels.
 

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