Lithium, most of the capacity is usable. A group 31 is about 55 amp hours usable unless I wish to destroy it in short order. "Diablos" meaning hand trucks and Mexican hotels don't mix. Stairs. Pull up each and every one to follow down each and every one. All for a BiPAP. Gravel parking areas with Florida orange size rock. Then believe it or not a 60 lb battery in a 2.900 lb car does not make a lot of sense, especially when it goes upside down after whacking a "tope" (speed bump). AGM has less capacity per pound.
The Chinese honesty in advertising is another issue entirely.
Why not, just RV and use it's batteries? Toll road tariffs, RV parks cost more than a hotel room. Car gets 30 mpg, gasoline is 4.00 USA a gallon. Where does a person park an RV in downtown Mexico? A hotel with comprehensive disabled facilities costs 400 dollars US a night. Welcome to Mexico. I must live estilo Mexicano. Yeah, in hotels where the beds have 109 springs (should have 120), just lay back and count-'em. I do not carry a 4" memory foam mattress without using it.
One of the Meanwells is going to serve as a minor UPS for the lithium pack with the BiPAP connected to the batteries. When, not if, the power goes out I will never miss it for the night. The amp hour capacity inherent in my selection will not overdischarge the lithiums even if the unit works 10 hours. I will have a car lighter socket charger cord, and arrive with the battery pack at 100%.
PS thank you for the hand truck recommendation. I did buy one of those jobs at COSTCO, and it has saved my butt too many times to count. Folds up nice, but for some reason now the wheels have to be spread first allowing the platform to drop. This is almost beyond my physical capability now :(
