expired Posted by f12_26 | Staff • Nov 5, 2024
Nov 5, 2024 4:51 AM
Item 1 of 1
expired Posted by f12_26 | Staff • Nov 5, 2024
Nov 5, 2024 4:51 AM
150AH Eco-Worthy LiFePO4 Lithium Battery w/ BMS & Bluetooth
+ Free Shipping$168
$280
40% offeBay
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By far the cheaper Lifepo4 ever. Less than .10 per wh.
Rated at 1920wh and I've tested 2 of them and got 1950wh.
Was going to post this but it seems I always get deleted everytime I post a deal.
Working back from you numbers, it appears you might have been multiplying 12vx150ahx4 batteries to get that number and were referring to capacity?
In that case, multiply the 150ah x nominal 12.8v x 4 batteries for 7680w/h. Then multiply by inverter efficiency (check inverter, but 80% is conservative in most cases) to get usable capacity, which in this example would be 6144w/h
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Edit: Oliver just responded and sent an image of the case with the Bluetooth symbol.
Edit: Oliver just responded and sent an image of the case with the Bluetooth symbol.
Edit: Oliver just responded and sent an image of the case with the Bluetooth symbol.
https://www.google.com/url?sa=t&s...eY
their 12v-280ah version has similar one showing in YT teardown video
https://www.youtube.com/watch?v=6...dHR
But same compression structure is not mentioned in metal case version since no teardown nor customer review mentioned
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So I could have paid like $1,400 for 2 Delta2 extra batteries at 1,024Wh each... or get almost the same capacity here for $168. (Yes, the Deltas have some nice features and ease of use, but this is a tiny fraction of the cost for similar capacity.)
parallel adds capacity (AH, WH, etc) while keeping system voltage the same as 1 battery.
The advantage of running batteries in series, and thus at higher voltages, is the reduced amperage needed to get the same amount of power (watts). Lower amperage = less power loss in wiring and smaller gauge wires needed to carry the same amount of power. The disadvantage is most electronics will need some sort of stepdown converter as they're designed for lower voltages, increasing cost and complexity of the system.
Basically I would keep the trickle charger plugged in 24/7, and run off the battery every night for 5-7 hours a night. Lately we have had a lot of power flickers in the night and it resets my machine and wakes me up. I want something that will always be on regardless.
From what I have been able to find, my machine with heater on is like 20 amp hours a night, I rarely use my heater, so probably closer to 5 amp hours.
Would a 1.5 amp battery tender be able to keep this thing charged?
By my non battery smarts math, I would be putting in a max of 36 amps a day, while using 20 amps a night. Is that correct or is there more to it?
Or would I just be better served getting something like this RIver 2 for the same price (which from what I have read, can do 6-8 hours of non-heated cpap use?
https://www.amazon.com/dp/B0B8MXPRDB/
I am in the process of getting a whole house manual generator backup (waiting on deliver of generator that is on backorder), so long term use is not a big issue.
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