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Re: For BFL13 et al... FLA vs AGM vs Li vs heated Li
Thanks for the discussion! And, considering: https://www.solacity.com/how-to-keep-lifepo4-lithium-ion-batteries-happy/ and the above comments, here is what I got out of it...: Should not charge/discharge LPF's below 32Fand should not consider charge/discharge above 113F. So now BB has self-heating LPF’s that will over-count charging AH/WH on a shunted battery monitor. Do you think BB will also add a chiller to the BMS to keep the batts less than ~110F and do the same for a shunted battery monitor? 1 or both will add another parasitic drain. And thus, its back to using a VM to guesstimate SOC. I’m going to start calling LPF’s the “fair weather batts” because using them during many summer and winter situations without heating and cooling will make them limited if not just useless. This makes the all(most)-weather capability with a weight penalty and lower cycle-life of FLA, AGM & SiO2 batts most attractive. And, you might outlive a set. YMMV.391Views0likes0CommentsRe: What's the Latest Solar Tech?
Here are the major components for a 12v system (not MPPT) that would satisfy your group 27 batt and it is easily upgradable for more batt AH as what BFL13 mentioned for 220 AH (just add an identical second panel) : Panel- https://www.amazon.com/dp/B07QR9LMGM/?coliid=I2U5Y18TJD0KQB&colid=2ZBKPJ1MXQ6H5&psc=1&ref_=lv_ov_lig_dp_it State-of-the-art integrated PWM Controller & batt monitor- http://www.bestconverter.com/Trimetric-Battery-Management-System_p_683.html 300w invertor- http://www.bestconverter.com/Samlex-PST-300-12-Pure-Sine-Inverter_p_546.html Good luck!403Views0likes0CommentsRe: The Big 3?
Thanks for the responses. My goal is to figure out a simple and easy yet cheap method for a solar equipped (no genset) trailered boondocker to daily charge up to 80-85% SOC during 3-7 days of bad wx. Simple as maybe just jumper cables from (somewhere?) in the TV (with slight enhancements) to trailer batts. I’m not worried about fuel nor engine wear. Ok, seems the ECU is safe. What about the voltage regulator interface with the starter batt compared with the charging wire direct from the alternator + stud?. Seems there would be a slight delta unless the regulator was built into the alternator prior to the stud. time2roll wrote: Dang and by Big 3 I thought he was going to pull the three phase power off the stator and use a remote rectifier. BTDT, posted here but seem its no longer on-line. I'm still chasing gremlins out of it and the mods plus hardware are expensive (nor simple).431Views0likes0CommentsPanel "window" turning brown
I have a 5-6 year old 12v 140w solar panel with its “window” turning brown. I’ve seen this happen on older 1980’s panels but not on one this young. Anyone know of a method of reversing this and return the window back to clear or should I just replace the panel? TIA536Views0likes1Comment
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