full_mosey
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Re: Opinions on lightweight portable inverter/generators
moonlightrunner wrote: My goddaughter works for Harbor Freight. She is a freight supervisor. This is what she tells me.... The Tailgator generator is garbage and no longer sold. If you buy a generator, get the extended warranty and if you have a problem, just return it. She says most of the people who use HF genny's on their RVs or other heavy use, exchange them before the warranty runs out, even if they are running fine. I use her 20% off employee/family discount for everything I buy from HF. My goddaughter knows the return rates on all the HF gennys. There are a couple that she refuses to promote (the Tailgator was one). She recently came home all excited about one of the new inverter gennys. This is the one she is going to put on her new-2-her truck camper (13.5BTU Air). She is also going to add a conversion kit so she can run it on LP. https://www.harborfreight.com/4400-watt-inverter-generator-with-co-secure-technology-epa-iii-57509.html You're joking, right?1KViews0likes0CommentsRe: Samlex Inverter Power Draw Question
Itinerant1 wrote: full_mosey wrote: Itinerant1 wrote: EMD360 what brand of lfp batteries are you using? Don't they have low temp protection, ... Splitting hairs here. You have manufactured LiFe 'batteries'. LiFe cells do not have temp protection. You have an assembled battery of LiFes where the inclusion of a BMS can do the protecting. HTH; John Future LiFe DIYer What are you talking about??? If you're going to split hairs how about your abbreviation for LiFePO4 or the commonly used abbreviation LFP so not to confuse new comers to the meaning of "life". ;) I am talking about the difference between a cell and a battery. Also, you don't seem to object to our friend KJINTF when he calls them LIFE. HTH; John441Views0likes0CommentsRe: Samlex Inverter Power Draw Question
Itinerant1 wrote: EMD360 what brand of lfp batteries are you using? Don't they have low temp protection, ... Splitting hairs here. You have manufactured LiFe 'batteries'. LiFe cells do not have temp protection. You have an assembled battery of LiFes where the inclusion of a BMS can do the protecting. HTH; John Future LiFe DIYer410Views0likes0CommentsRe: Samlex Inverter Power Draw Question
ktmrfs wrote: if your shopping for a new microwave for the RV get a panasonic true inverter microwave. doesn't cycle between 0 and 100%, but stays at a fixed % you set and at 50% power will do most of what you want but draw about 1/2 the full power current, Works great with an inverter setup. Doesn't take twice as long at 50%, maybe 25% longer They also work well with an inverter generator as the constant draw keeps the genny running at a steady rate. No more alternating and irritating sound of full-speed then idle. HTH; John410Views0likes0CommentsRe: LiFePo4 vs Lead Acid...Some points of interest.
BFL13 wrote: Always suspecting the sales hype, so want to verify the claims and see if possible where they got their numbers. In this case it is true that 1C with LFP is 4 x faster than with FLA doing depleted to full. ... The premise is wrong because you have added 'full' as a constraint. Perhaps you have not fully grasped a point I made in my recent post. To wit, "1. the practically unlimited cycles without any full charges,". There is no penalty for partially charging an LFP. All I need to do during a recharge is ensure that the LFP will have enough capacity to last until the time I plan the next charge. There is no 'full' goal. I could revise the former test as: Cycle the LFP at 10% - 50% and the FLA at 10% - 50%. Do this until the FLA dies. What do you believe would happen to the FLA if it were reharged at 10% - 50%. Quick death? Now, try working your calculations again with valid criteria. HTH; John410Views0likes0CommentsRe: Battery observations of winter storage.
Gjac wrote: I winterized the MH in late Oct, pushed battery disconnect to store for house batteries and disconnected the neg cable on my chassis battery. Checked house batteries in Feb and they lost 20% SOC. Checked again today and they were only down 10%. Of course in Feb it was in the 20's and today we are up in the 60's. The batteries are still at 90% SOC after 5 plus months sitting with no charge on them. Each year I think this is it the batteries won't make it through the winter because the batteries are 14 years old but it looks like they will make it another year. I really like the 2 6v GC batteries from Sam's Club, I think back in 2007 they were made by Duracell. What kind of meter do you have that knows SOC based on temperature? HTH; John526Views0likes0CommentsRe: Battery observations of winter storage.
MEXICOWANDERER wrote: Duracell is a re-brand. Perhaps John Controls? A helping hand for warm weather use and storage is to adjust electrolyte density to 1.260 This must be done when the battery is brand new. It should be top charged and rested for a day. This can easily add 30 - 50% added lifespan. In the Sams Clubs I have seen that the Duracells are Deka-East Penn and the Energizers are Johnson Controls. HTH; John528Views0likes0CommentsRe: LiFePo4 vs Lead Acid...Some points of interest.
time2roll wrote: LFP is faster in all conditions. Not even close enough that you would need to time it. There is no "fair fight" as LFP is whole different class. Here is a 'fair' fight. Cycle the LFP at 10% - 90% and the FLA at 50% - 90%. Do this until the FLA dies. Install the LFP as a replacement for the dead FLA and continue on your merry way. The LFP features I am looking forward to: 1. the practically unlimited cycles without any full charges, 2. replacing 400lbs of AGM with 100lbs of LFP. HTH; John282Views0likes0CommentsRe: Daly BMS gone crazy..Update Opinions
jaycocreek wrote: ... We are offering all customers that have a failing Bluetooth 2 choices: (1) Total Refund. (2) $50 rebate by PayPal. ... If they mean Total Refund then take it. If they want your unit sent back, they should send you a prepaid return container at no cost to you. Do you still want a drop-in? The question is, what do you know now that would make you better able to choose another drop-in? HTH; John772Views0likes0CommentsRe: Daly BMS gone crazy..Update Opinions
"I bought this particular battery was the smart Bluetooth and the cold cut off,so we'll see how it plays out..." ============================================ Those are reasons to choose a particular BMS, not a LFP battery. I am doing a DIY. I chose LFP because I am retiring a 12yo 155AH 100lb AGM. I will soon have a 280Ah 50lb battery that is nearly twice the energy at half the weight. It will cost less than the 100AH drop-ins. Go ahead and continue to get your LFP education by reading drop-in documentation, and you will continue to be confused. HTH; John329Views0likes0Comments
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