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expiredf12_26 | Staff posted Nov 5, 2024 4:51 AM

150AH Eco-Worthy LiFePO4 Lithium Battery w/ BMS & Bluetooth

$168

$280

40% off
+ Free Shippingat eBay
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Deal Details
Eco-Worthy-US via eBay has Eco-Worthy 12V 150AH LiFePO4 Lithium Battery BMS 4000+ Cycles For RV Solar Panel w/ Bluetooth Monitoring for $209.99 - 20 % when you apply coupon code TOPGIFTS20 at checkout = $167.99. Shipping is free.

Thanks to staff member f12_26 for finding this deal.

Features:
  • Check the status of battery voltage, current and capacity at any time from your phone
  • Measures L13*W6.9*H8.5 inches
  • Weighs 36.68 lbs
  • low-temperature cut-off protection

Editor's Notes

Written by qwikwit | Staff
  • Similar 150Ah LiFePO4 batteries sell for ~$250 at Amazon.
  • About this Store:
    • eco-worthy-us offers free 30-day returns.
  • Please see the original post for additional details & give the WIKI and additional forum comments a read for helpful discussion.

Original Post

Written by f12_26 | Staff
Community Notes
About the Poster
Deal Details
Community Notes
About the Poster
Eco-Worthy-US via eBay has Eco-Worthy 12V 150AH LiFePO4 Lithium Battery BMS 4000+ Cycles For RV Solar Panel w/ Bluetooth Monitoring for $209.99 - 20 % when you apply coupon code TOPGIFTS20 at checkout = $167.99. Shipping is free.

Thanks to staff member f12_26 for finding this deal.

Features:
  • Check the status of battery voltage, current and capacity at any time from your phone
  • Measures L13*W6.9*H8.5 inches
  • Weighs 36.68 lbs
  • low-temperature cut-off protection

Editor's Notes

Written by qwikwit | Staff
  • Similar 150Ah LiFePO4 batteries sell for ~$250 at Amazon.
  • About this Store:
    • eco-worthy-us offers free 30-day returns.
  • Please see the original post for additional details & give the WIKI and additional forum comments a read for helpful discussion.

Original Post

Written by f12_26 | Staff

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236 Comments

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Nov 6, 2024 2:28 PM
4.3K Comments
Joined May 2006
ArcticatNov 6, 2024 2:28 PM
4.3K Comments
Quote from ahannan :
Cheaper on eBay https://www.ebay.com/itm/276709798062
What makes these chargers different from a regular one like a NOCO Genius?
Nov 6, 2024 2:41 PM
5 Comments
Joined Nov 2016
danrdjNov 6, 2024 2:41 PM
5 Comments
Quote from ahannan :
I put 4x 12.8V 100Ah in series into the Solar input on my Bluetti AC200P. It'll pull up to 600W (51.2V 12A) from the batteries to charge the internal battery. The power transfer capability on the AC200P is based on the voltage (current is max 12A, max power 700W) which is why I did 4 batteries in series. I use a pair of the P20 chargers to charge the external batteries.
Thanks, I'm new at this. Can't think of a better cheap way to add capacity to the cheap AC180s that were on here for under 330 a piece. Any better ideas welcome.
Any recommendations for a P20 charger?
Do you need battery balancing in there as well?
Nov 6, 2024 2:59 PM
1 Comments
Joined Feb 2018
KeithJ9526Nov 6, 2024 2:59 PM
1 Comments
Would these work on a trolling motor?
Nov 6, 2024 3:07 PM
2.2K Comments
Joined Aug 2014
fawziNov 6, 2024 3:07 PM
2.2K Comments
Is this a good idea for a sump pump?
Nov 6, 2024 3:22 PM
69 Comments
Joined Dec 2011
chuckda4thNov 6, 2024 3:22 PM
69 Comments
Obviously tech gets cheaper, but weren't 100AH lifepo4 batteries close to $1000 not 2 years ago?
Can a regular battery tender for a car charge these?
Nov 6, 2024 3:35 PM
276 Comments
Joined Jan 2009
Davis2001r6Nov 6, 2024 3:35 PM
276 Comments
Anybody make a battery box with one of these? For car camping, running a fridge, small inverter, usb chargers etc.
Nov 6, 2024 3:41 PM
3.4K Comments
Joined Jul 2013
madmax718Nov 6, 2024 3:41 PM
3.4K Comments
Quote from duthehustle93 :
Does anyone know what the surge current is before the BMS kicks in?

I want to run an 1800W inverter that has a 3000W surge current. So ~150A max constant/~250A surge. I'm not going to be regularly maxing it out, but I want to size a battery that can keep up with the inverter.
You would need one that has a higher surge rating or you would need two of these.

Frankly, Its cheaper to parallel two than to get a 300AH surge capable.

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Nov 6, 2024 3:42 PM
3.4K Comments
Joined Jul 2013
madmax718Nov 6, 2024 3:42 PM
3.4K Comments
Quote from fawzi :
Is this a good idea for a sump pump?
for a 12V backup sump, should be fine. You'll get loads of run time. I wouldn't use this for primary as you'd still need an inverter and a load switcher.
Nov 6, 2024 4:22 PM
3.4K Comments
Joined Jul 2013
madmax718Nov 6, 2024 4:22 PM
3.4K Comments
Quote from AlwaysWrite :
Interesting. I saw that deal and thought from the comments it was a hack that got fixed/shut down... but it seems it's still possible to get (I didn't actually order but it showed up in cart). $189 for that cool 800W charger is a lot more tempting than $600! I haven't looked into how it would pair with external batteries like this one, but for my use case (keeping a refrig running at ~110W), the 180W recharge rate I can get with my $12 cable is probably sufficient. (I thought about getting a 24V battery or running 2 in series to get 360W... but this deal seemed too good to pass up.)
If your paring with something like this, you do not want the ecoflow product.

The ecoflow product is a DC to DC step up converter. Its specifically designed to charge the ecoflow packs at a higher voltage.

You'd want a DC/DC charger, that will current limit (like a victron DC/DC). The purpose is to not overstrain the alternator. and to limit the amps to the battery.
Nov 6, 2024 4:24 PM
3.4K Comments
Joined Jul 2013
madmax718Nov 6, 2024 4:24 PM
3.4K Comments
Quote from Davis2001r6 :
Anybody make a battery box with one of these? For car camping, running a fridge, small inverter, usb chargers etc.
I believe this easily fits a gr27 battery box, but will not fit a gr 24. The length is the same, but the width is about half. It would actually leave your box with enough space to have a plug in charger (though the heat build up might not be so good). You can also insulate it for winter use.
Nov 6, 2024 4:30 PM
3.4K Comments
Joined Jul 2013
madmax718Nov 6, 2024 4:30 PM
3.4K Comments
Quote from danrdj :
Thanks, I'm new at this. Can't think of a better cheap way to add capacity to the cheap AC180s that were on here for under 330 a piece. Any better ideas welcome.
Any recommendations for a P20 charger?
Do you need battery balancing in there as well?
You theoretically need balancing in series circuits, but is not commonly done as each BMS will shut down the charging as it tops off.

Also if your charging as a 12V, you'd have 4 12V chargers, so each battery charges independently. If your charging at 48V, then you'd periodically top charge each of the batteries at 12v.

It also depends on how "quickly" you need to add power and what is the lowest your input will take. You can add input generally at 12v, but it will be at around 80-100W/hr rate.

Keep in mind, this battery holds about 1800-1900w of power. It is capable of being recharged at 100A , which is about 1400w so could in theory charge in about 1.5 hr.
Last edited by madmax718 November 6, 2024 at 08:40 AM.
Nov 6, 2024 4:38 PM
3.4K Comments
Joined Jul 2013
madmax718Nov 6, 2024 4:38 PM
3.4K Comments
Quote from frd1963 :
So would if it has similar capacity at $189, but I am not seeing it. Do you have a link?
ecoflow is 189, 100AH, no bluetooth connectivity.
Nov 6, 2024 4:44 PM
772 Comments
Joined Mar 2009
boriszimaNov 6, 2024 4:44 PM
772 Comments
Quote from Arcticat :
What makes these chargers different from a regular one like a NOCO Genius?
These are meant for this type of battery chemistry. There are different voltages for full, empty, float, etc. Plus some Noco/Tender are only 1.5-2amps charge since their goal is to keep lead acid alive when not in use, this one has a different charging profile. I am not expert, just from my research in past couple of days.
Nov 6, 2024 6:10 PM
603 Comments
Joined Dec 2007
ahannanNov 6, 2024 6:10 PM
603 Comments
Quote from Arcticat :
What makes these chargers different from a regular one like a NOCO Genius?
I have both, a Genius 10A. These are much cheaper, can do 24V 10A or 12V 20A. They have a fan, so noisier when operating. Not weather resistant like the Genius. I used 2x P20's on my 4x batteries in series, each on 24V. Seemed like a good way to charge a pair vs. having 4x chargers.

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Nov 6, 2024 6:13 PM
603 Comments
Joined Dec 2007
ahannanNov 6, 2024 6:13 PM
603 Comments
Quote from danrdj :
Thanks, I'm new at this. Can't think of a better cheap way to add capacity to the cheap AC180s that were on here for under 330 a piece. Any better ideas welcome.
Any recommendations for a P20 charger?
Do you need battery balancing in there as well?
eBay https://www.ebay.com/itm/276709798062

I don't think so when in series. Internal balancing should be handled by the BMS, but I'm kinda new to battery balancing.

Edit: As Madmax718 pointed out later in the thread, use a charger per battery in a series stack for balancing.
Last edited by ahannan November 7, 2024 at 08:32 AM.

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