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if you upgrade to lithium batteries, you need to make sure your charger has a lithium profile (the 9280 doesn't, but Progressive Dynamics should have a drop-in replacement) the SCC needs a lithium profile you need to protect your alternator as LFP batteries will burn it out since this is a...

they do make 100Ah & 200Ah

i just purchased this (i'm in Canada) https://volthium.com/en/product/battery-aventura-12v-300a-self-heating/ the BMS is replaceable if it fails hopefully i never need to see how their 10 year warranty works not cheap they do say resistant to vibrations also compatible with Victron

https://volthium.com/en/batteries/ made in Quebec just ordered the 300Ah battery, friend has had the 100Ah for 2 years, no issues $50 shipping to Ontario someone to talk to for warranty work they supply NASA & US Military not cheap, but i went with them for hopefully trouble-free service and a...

remember when using cable length for size calculation, it is the total of both wires, not just 1 here is a drop-in replacement guide for the WFCO https://www.progressivedyn.com/converter-cross-reference-guide/

this is the other 1 i am looking at https://volthium.com/en/product/battery-aventura-12v-300a-self-heating/ 10 yr warranty the Renogy looks like prorated 5 yr i have a home-built LFP with Chargery BMS - too many wires and components, need to simplify i have moved the battery to the rear so the...

yes, Renogy has it's problems but, for my RV it is a better fit than the EG4

https://ca.renogy.com/rego-12v-400ah-lithium-iron-phosphate-battery-with-renogy-one/?mc_cid=196fbdc342&mc_eid=b28b3b2cac great sale, not sure of the quality?? the wires look a little small

https://volthium.com/en/product/12v-200ah-self-heating-battery/ not cheap, but very well built a friend has the 100ah heated battery in his camper, working great

so the LFP batteries are only powering the inverter, which manages charging the LFP batteries and supplies AC (shore/inverter) the LA batteries are powering the 12V side and are only charged when there is AC no perpetual motion

the converter needs to be disabled when running on the inverter otherwise you have a perpetual motion machine i.e. battery running inverter, inverter charging the battery. you have to remember to turn the breaker off for the converter when running the inverter or install a relay that only powers...

i have a small Class C (Chevy 350 chassis) and made the switch to lithium a few years ago - 12V 280Ah LFP cells/Chargery BMS kept everything at 12V for simplicity and starting the generator i have 200W solar on the roof and 200W solar in a suitcase for parking under the trees i have alternator...

i bought some used Chargery stuff last fall i have 2 mechanical relays at the moment, so separate port was on my brain just getting around to installing it, i had 2 DCC cables for common port and modified it to drive the 2 DCC's i.e. 1 for charging, 1 for discharge now that i am thinking about...

yes, i agree, it could be as high as 184A, but my question is do i need 4/0 wire for the short connections? math says no

i have a 280ah LFP, 2000W inverter right now i have 4/0 wire from battery terminals to bus bars thinking about size vs distance, these are only ~12" long are hard to manage i should be able to use a smaller, more flexible wire for the short distance and still manage my ~160A for the inverter? mark

The main feeds come off the same end of the busbars? i.e closest to battery #1, or middle, or opposite ends. Not sure if opposite ends or middle is best, but not off an end that is closest to the same battery. Trying to balance any losses in the connections and use all batteries equally.

Do you have them wired in parallel correctly? i.e the positive off battery #1 and negative off battery #4?

Sorry to hear that Steve, sounds like you won't make your birthday next year to have it on your terms. Life just isn't fair.

yes, i found out the hard way too i had some foam backing and had a strap to fix it to the back of the cells in my RV recently it started acting up - i.e. not reading current correctly bought a used replacement & it works fine i added just a strip of foam at each end so it can stay cool and...

the DCC needs a much higher voltage to switch the mosfets - the ISO board boosts the voltage so the DCC can work on the + rail not required for anything but the DCC

I setup my portable panels yesterday and charged my lithium, then let it charge my engine battery for the afternoon. Was getting 5A. Battery was low a bit from running radio. Now 12.6V, which is about the best it gets

It does charge the engine battery. FLA profile. So not a lot of amps, but it does do the job.

The wfco will not charge your lithium batteries properly You have to make sure the inverter is not powering the converter, either manually or add a relay to control power to the converter

yes, under load, normally <10mV w/o large load i did get a 5A active balancer and left it on for a couple of days, this really worked i don't have it connected now as i couldn't find a convenient way to mount it permanently, but it did it's job the Chargery balancer kicks in @30mV for a bit, but...

yes, i agree, lots of discussion i was thinking for the little time he might be connected to shore power, a single stage would suffice but, something with a float stage would be better if connected for long periods

LFP profiles are usually fixed voltage i.e. 14.6V (max) they will operate at full current and then taper off current as the voltage approaches max until full voltage is reached they will hold the voltage there FLA/AGM profiles have 3 stages (bulk, boost, float), LFP just has 1

i have the 8T (4S) using power plug, not the sense leads for power my inverter will draw 150A and i don't see any dancing voltages - all within 30mV i clean the terminals and use NOALOX to keep the contact resistance as low as possible just re-read your post the BMS should be powered from the...

yes, everything that can charge the batteries requires a LFP profile also if charging from your alternator, you'll need a DC-DC charger to limit the alternator current and probably a much bigger wire than the normal 7-pin plug from vehicle to trailer

no, its a booster so the mosfets can work on the + lead of the battery

getting a couple of 300A relays to replace my Gigavac relays have separate ports going to need an ISO board can i get 1 from Jason? aliexpress doesn't seem to have the ISO board mark

been using the generator to power my house freezers since the storm on Sat yesterday i fired the generator up & the Chargery beeped and the current display was flashing HIGH charging set @70A, discharge @205A the generator uses about 25A for a couple of seconds to get going today i fired up the...

Moved jumper on converter to FLA – 12A – seemed OK for a few minutes Installed jumper for AGM – 20A+ – fails Back to FLA – OK Pushed charge wizard button to kick voltage up to 14.6V, 25A+ - fails Have to wait for charge wizard to expire after 4 hrs… Seems to be the sudden jump to 20A+ The...

no, not fixed battery down to 85% turned on converter & the BMS shut down the discharge bus only saw 35A changed max charging current to 195A let it cycle a couple of times finally turned it off if it was an overcurrent problem it should cut off the charging bus, not discharge have small auto...

problem solved by setting max charge current on my Chargery BMS to 140A from 70A even tho max from PD4655 is 55A only ever saw 35A must be a spike when i turn it on

problem solved by setting max charge current on my Chargery BMS to 140A from 70A even tho max from PD4655 is 55A only ever saw 35A must be a spike when i turn it on