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I bought a new Ram Promaster in Mar 2015. It was my daily driver and a overflow storage unit. Van now has 50k miles on it. Its been sitting unused for 3 months. Last night the battery was dead. After 20 min with jumper cables it started right up. 8 years on a battery in Florida. I'm thinkin it's...

Where is the unit located?

Shipping cost to zip 33948?

I've used my tree trimming loppers a few times. They are available at any hardware or big box store.

I was asking so other viewers would know.

How much are you asking?

Thanks for the info.

Maybe LFP= Lithium Ferro Phosphate?

Where are you located? I have several cells and willing to sell 1 cell, but not willing to ship. I/m in zip 34223

The doc I posted has a interrupt rating of 100kA @ 65 vdc. Or am I reading it wrong? @Robin Gudgel will know the AIC of the GJ series breakers...

https://www.eaton.com/content/dam/eaton/products/electrical-circuit-protection/hydraulic-magnetic-circuit-breakers/eaton-heinemann-hydraulic-magnetic-circuit-breakers-br130001en.pdf Midnight uses the Carling brand.

Not when you use the correct breaker. https://www.invertersupply.com/index.php?main_page=product_info&products_id=6321 Square D QO, QOU and QOB breakers NOT HOMELINE!! are are also bidirectional and rated up to 60vdc and 60 amps...

https://www.invertersupply.com/index.php?main_page=product_info&products_id=6321 EATON HEINEMANN 250 amp GJ series breaker. A Canadian company. Very old school and very industrial quality. Maybe one each per inverter to bussbar and a seperate similar breaker for the Coach 12 volt system. The...

What is the V/A rating of the 48v MultiplusII?

Thank you @12installs for your input. I don't want to pollute the topic too much, but the VOC is just over 48 volts so series is not a option for the controllers I have purchased.

This thread just took a turn for the worst.:oops:

I am a buyer. Please Message me for the payment and shipping details.

Years ago a friend told me he could hear the relay open in a Trace C40 PWM CC on a cold winter night, with fresh snow on the ground, and a full moon. I scoffed, He insisted it was true.

@upnorthandpersonal Your explanation allowed a Old, Fat and Ugly mason to understand. Thank you.

I am considering permanently mounting 4 390W panels on top of a 7' x 16' Cargo trailer and 6 additional 390W panels (3 on each side of the trailer) that are deployed using gas-springs. Here is a link to a simulator: https://www.gasspringsshop.com/gas-spring-calculator/. The side mounted panels...

I'm glad this fact came out. The NEC (National Electric Code) is heavily influenced by the NFPA (National Fire Prevention Association). Fire and electrocution risks are probably higher off grid, especially DIY systems. I know my first system was.

Here is a new, in the box 12/3000 for $500.00. Baltimore Dover area. Its not mine. https://easternshore.craigslist.org/ele/d/earleville-power-inverter-12v-to-120v/7401357953.html

This is a seaman's view of the back log.

Very good decision.

I was responding the last 6 words from the OPs reply. "if I wired everything in series" 24 volt array, 24 volt PWM SCC, 24 volt battery, 24 volt inverter. He just doubled the capacity of the system by adding 1 12 volt battery.

That is your best option and gets a big thumbs up from me.

Your PWM controller requires you to wire the panels in parallel with your 12 volt battery . I didn't read any specs that said this controller would step down the voltage from a series wired (24 volt) panel array to 12 volt.

A Link to your inverter with specs would help us help you.

Here is a link that might help. I'm sure Trojan has a comparable document. https://www.usbattery.com/winter-storage-maintenance-tips-flooded-lead-acid-batteries/ Also remember that the self discharge rate of a healthy battery is minimal at those low temps because the chemical reaction is...

https://www.amazon.com/dp/B079K5HB79/ref=sspa_dk_detail_6?psc=1&pd_rd_i=B079K5HB79&pd_rd_w=bXwE3&pf_rd_p=887084a2-5c34-4113-a4f8-b7947847c308&pd_rd_wg=cWHEv&pf_rd_r=JJYS24M6Z4QSVH9T9QJ3&pd_rd_r=d23888db-3412-4d7b-816f-78823d45f4ea&spLa=ZW5jcnlwdGVkUXVhbGlmaWVyPUExVTFLS0ROMU1ITDRZJmVuY3J5cHRlZElkP...

Go with the tried and true. Heinemann/Eaton GJ breakers, or Carling. Both were/are used by Trace Engineering and Outback Power and can be found at reputable solar distributors.

I have no idea and too much time on my hands. :)

My system is mobile so I plan on using copper pipe pressed onto both ends of 2 or 3 layers of tinned ground strap to make the cell interconnects. @upnorthandpersonal did his cell interconnects this way.

Found these 4" x 6" x 1/4" copper bars in my old scrap bin. Soaked them in Vinegar and salt for about 2 hours and they turn out looking like the top bar in the photo below. The bottom bar has been wet sanded with 1500 grit wet paper until you can almost get a reflection. The bottom bar in...

Sent a "PM":)