Most reacted threads

i have a tripp-lite UPS,batts are dead.thinking about putting lifepo4 on them with a BMS. what do you all think about that idea?

when hooking up batts,what ohm resister for precharging capacitor? Thank you.

i just got this.what do you all think.have a project in mind. https://www.amazon.com/gp/product/B01MY6UDOI/ref=ppx_yo_dt_b_asin_title_o03_s00?ie=UTF8&psc=1 i have 4 of theses brand new- https://www.amazon.com/gp/product/B00S1RT58C/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1

installing balance leads for bms and reverse cell 1 pos and neg. kills bms.

any one interested in starlink? https://james.darpinian.com/satellites/?special=starlink-latest

i have 8 100Ah doing wills top balance video. so i wonder being that there is 8 batts,does that mean 800 amps need to be pumped in at 3.65 volts @2.3 amps?

where to get new firmware? any one know?

direct youtube channel live.

ok ,i serial connected these 2 BYD batts.no power tho.any ideas?

can i wire 2 24 volt lipo in series,then connect one 48 volt BMS? if so,where to get 48 volt BMS? If not,please direct me to info. i have a MPP Solar 5048 that i will plug into it.

i live in Alexandria. check this out. https://thezebra.org/2020/01/16/alexandrias-new-electric-school-buses-will-help-feed-power-grid/

looks like there will be shortages. china is shutting down commerce. better stock up. that's the word i keep hearing.

any one know where i can obtain busbars for my batteries?right now am waiting on the bolts.probably have to make my own. Thank You.

can i use the panels as an off grid system? is there a difference in on-grid vs off-grid panels?

if it was possible to tap in to the exhaust heat to power a generator to recharge LF. any thoughts? that heater works very well by the way. here is what i purchased. https://www.amazon.com/gp/product/B07Z74KNL2/ref=ppx_yo_dt_b_asin_title_o01_s00?ie=UTF8&psc=1

any good? https://www.amazon.com/gp/product/B0719PGGBS/ref=ox_sc_act_title_3?smid=A17W26ZXUKVKHY&psc=1

in my off grid cabin,200LBS LP,damn thing quit,20 degrees f.out side.falling back to electric heat.have a back up or 2 of gas heaters.in storage.not here.have other ways to produce heat energy.kicking in the minisplit.oh yea,tis working.

i have built 2 24 volt packs.when ever i charge them cell 2 in both packs will eventually jump up past 4 volts.i shut down charger at this point.all other cells are in good voltage range,just cell 2 in both packs. any idea why this would be happening?

is it possible?

ok,question. i will have my BYD prebuilt batteries on thursday.i want to wire them in serial,the connectors are Anderson which i have. what would be the best way to interface the cables?wire one plug opposite of the other or regular wire and then combine the naked wire into serial? any ideas...

i plugged the screen into where the bluetooth dongle was,is this correct? it is a DALY 4S 250A model. it is plugged in but no data comes thru.screen powers up.

any body know where to get one of these?

any body know what the factory pin number is?bluetooth wont connect with out it.