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https://www.amazon.com/Renogy-Lithium-Iron-Phosphate-Battery/dp/B07FDHRP45/ref=sr_1_2?ie=UTF8&qid=1539723288&sr=8-2&keywords=170AH+lithium This one has BMS, and is said to be "drop in", no need to change anything in your RV, I may go for this, sure like the idea of 170 AH, of lithium, with 160...

The ZAMP controller is supposed to work with Lithium, no need to buy a different controller I am told. We have 160 WATTS of solar, I am still looking into lithium, weight is a HUGE issue for all FWC owners with a Tundra Truck (or it should be a huge concern), I agree on disconnecting the truck...

really appreciate your write up, I am leaning towards the factory Deka dual 6V AGM batteries that come with the FWC Grandby, for simplicity, when I pick up my Grandy in a few weeks it will be ready to go, no hassles and no worries (providing nothing is defective from the factory), it is so hard...

I have all but given up on Lithium now, way to many hassles, changes needed to be made, complications, BCM, solar controller, and 110V power charger may or may not work in my new Grandby FWC, it's all giving me a headache!! The Grandby came with 2 Deka AGM 6V batteries, for $599, from what I...

I think you are right!!!!

Everytime I dig a little deeper lithium seems to be way too complicated, to many issues and problems, I go back to AGM

thanks for all the feedback, we paid our 15% deposit, and will pick our Grandby November 15th (if all goes well) at Rocky Mountain FWC

right, and ridiculous shipping charge

https://www.amazon.com/dp/B07FDHRP45/ref=sxbs_sxwds-stvpv2_2_a_it?pf_rd_m=ATVPDKIKX0DER&pf_rd_p=6375e697-f226-4dbd-a63a-5ec697811ee1&pd_rd_wg=iCKcX&pf_rd_r=A90XFXZV4A55R3J76GM3&pf_rd_s=desktop-sx-bottom-slot&pf_rd_t=301&pd_rd_i=B075RST4R2&pd_rd_w=UULRS&pf_rd_i=LiFePO4%2BBattery&pd_rd_r=59ba6131-5...

https://www.amazon.com/lithium-LiFePO4-Battery-Electric-Batteries/dp/B078JB836N/ref=pd_rhf_gw_p_img_1?_encoding=UTF8&psc=1&refRID=WSK7F48ZY6Q8CS7PJZ0S No BMS, and $105 for shipping, this one is OUT

I found this Lithium on Amazon, for about the same price as 2 golf cart 6V AGM batteries, says it does not need a BMS, I would only need one of these, as they claim you can discharge down to 100%, I would not do that of course if I could help it, maybe 80% discharge. It has about the same AH...

I am no expert, but I understand basic and a bit beyond, I have always done all my own maintenance, with help from others I think I should be fine

if I bought the 200 ah from lifeblue, could i just install it where the 2 6v batteries live, and not change anything in the camper?? Charge with the solar controller that comes with the FWC Grandby???

Maybe better, but their prices are ridiculous

The new FWC have 2 way fridges, that run on 12V most of the time, this means we need more power all the time, lithium makes a lot of good sense, especially when you take a fully loaded FWC into consideration, these things are very heavy. Many of us do not have (or want to own) a Ford, Chev, or...

I am worried about 130 LBS for 2-6V batteries, I can cut out 100 LBS, huge when you are overloaded with a fully loaded Grandby in a Tundra!! Plus I have not had good luck with 6V golf cart batteries, they need maintenance, they leak, they offgas, and lithium has really come down in price...

I certainly hope the solar controller that comes with FWC can handle lithium batteries, that would be very disappointing (and short sighted of FWC) if it is not designed to handle lithium batteries. I will call Monday to make sure

Yes I am worried about the "Cold weather" issue, we often get to -40 where I live, but we are gone all winter, especially the cold months, and I can always bring in the Lithium battery from the camper inside the house when necessary, they are easy to handle compared to 6V golf cart batteries. If...

I Just purchased a brand new Grandby from Rocky Mountain FWC in Denver, picking it up in Mid November. I deleted the 2-6V batteries, I think I can do much better with 1-100 AMP HOUR lithium battery, it should provide about the same amount of usable power as 2-225 AMP hour 6V golf cart batteries...

Has anybody here dealt with Chris at Rocky Mountain in Denver area? Feedback would be appreciated

The exact information I needed. We really want the extra room, we were cramped in our Hawk last winter for 4 months, we need a bigger dinette table and seating. We are looking at a Woolrich edition, brand new

Would you be so kind to send me some photos of your Granby on your Tundra please? I would really appreciate it. kleerogers@gmail.com My Tundra is a 2014 DC, with E rated tires, airbags, and sway bar, I also added 2 extra leaf springs at Deaver springs in LA, the Hawk we previously had was...

Saskatoon traffic is nothing compared to most cities in the world, we are getting 2 new bridges soon, this fall, and 2 new over passes!!! But the snow and -40 are AWFUL, don't want to ever see a snowflake again in my life if I can avoid it!!!