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gabe23111 20.4K Views
Nov 4, 2025 2:51 PM

ECO-WORTHY 12V 50Ah Trolling Motor LiFePO4 Lithium Battery w/ BMS

$64

$280

77% off
+ Free Shippingat AliExpress
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This popular front-page deal is back and now available at a slightly lower price.

ECOWORTHY-US Store via AliExpress has ECO-WORTHY 12V 50Ah Trolling Motor LiFePO4 Lithium Battery w/ BMS for $77.75 - $12 when you apply promo code RE14 at checkout = $65.75 --> $64.03 -> Now $63.75. Shipping is free.

Thanks to community member gabe23111 for sharing this deal.

About this item:
  • 10 Year Lifetime
    • ECO-Worthy lithium iron phosphate battery (LiFePO4) can be recharged more than 3000 times in a deep cycle to achieve a longer cycle life. More than 8 times higher than lead-acid batteries (generally only 300-400 cycles can be charged).
  • 100% Protection
    • Built-in BMS(Battery Management System) protects the cell from getting damage like: overcharge, over-discharge, short-circuit. And keep balance between battery cells.
  • Lightweight Design
    • The 50Ah lithium battery has a lightweight design and weighs only 12.7 pounds, much lighter than the lead-acid one. The lithium battery is easy to take outdoors and place in any position that can not be achieved by lead-acid ones.
  • Broad Application
    • The 50AH lithium battery is Suitable for Golf Carts, Power wheels, Trolling motor, RV, Tool trailer, Caravan, Marine, Camper, Electric scooter, Backup power supply, Solar, off-grid, etc.
  • Capacity Expansion
    • The 50AH lithium battery can be used not only in parallel connections but also in series. It involves up to 4 identical batteries for connection in series and unlimited batteries in parallel.

Editor's Notes

Written by persian_mafia | Staff
  • Our research indicates this offer is $19.24 lower (23% savings) than the next best price from a reputable merchant at the time of this post.
  • Please see the original post for additional details & give the forum comments a read for helpful discussion.
  • For expedited customer service, please email [email protected]

Original Post

Written by gabe23111
Community Notes
About the Poster
Deal Details
Community Notes
About the Poster
This popular front-page deal is back and now available at a slightly lower price.

ECOWORTHY-US Store via AliExpress has ECO-WORTHY 12V 50Ah Trolling Motor LiFePO4 Lithium Battery w/ BMS for $77.75 - $12 when you apply promo code RE14 at checkout = $65.75 --> $64.03 -> Now $63.75. Shipping is free.

Thanks to community member gabe23111 for sharing this deal.

About this item:
  • 10 Year Lifetime
    • ECO-Worthy lithium iron phosphate battery (LiFePO4) can be recharged more than 3000 times in a deep cycle to achieve a longer cycle life. More than 8 times higher than lead-acid batteries (generally only 300-400 cycles can be charged).
  • 100% Protection
    • Built-in BMS(Battery Management System) protects the cell from getting damage like: overcharge, over-discharge, short-circuit. And keep balance between battery cells.
  • Lightweight Design
    • The 50Ah lithium battery has a lightweight design and weighs only 12.7 pounds, much lighter than the lead-acid one. The lithium battery is easy to take outdoors and place in any position that can not be achieved by lead-acid ones.
  • Broad Application
    • The 50AH lithium battery is Suitable for Golf Carts, Power wheels, Trolling motor, RV, Tool trailer, Caravan, Marine, Camper, Electric scooter, Backup power supply, Solar, off-grid, etc.
  • Capacity Expansion
    • The 50AH lithium battery can be used not only in parallel connections but also in series. It involves up to 4 identical batteries for connection in series and unlimited batteries in parallel.

Editor's Notes

Written by persian_mafia | Staff
  • Our research indicates this offer is $19.24 lower (23% savings) than the next best price from a reputable merchant at the time of this post.
  • Please see the original post for additional details & give the forum comments a read for helpful discussion.
  • For expedited customer service, please email [email protected]

Original Post

Written by gabe23111

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Community Reviews

This 12V 50Ah LiFePO4 battery stands out as a compact, lightweight option for small trolling motors, backup power, and other low to moderate draw setups. The flat discharge curve and higher usable capacity versus lead acid make it easier to avoid frequent recharging, and the battery has been used in series or parallel for larger systems. Real world reports include a full day of fishing, long offshore trips with minimal drain, and a working UPS backup setup. The main caveats are its limited capacity for golf carts or cars, plus coupon and limit issues at checkout. A practical pick when size and lithium efficiency matter more than raw capacity.

Common Questions (5)

AI-generated summary based on comments from the community. Updated ago

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32 Comments

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Nov 7, 2025 4:04 AM
403 Comments
Joined Aug 2008
japanesegorillaNov 7, 2025 4:04 AM
403 Comments
Quote from CjTravel716 View quoted comment :
Do we trust aliexpress? I feel like it's fake
These are sold by eco worthy through AliExpress.
Pro
Sr. Deal Editor
Nov 11, 2025 3:52 PM
35.7K Comments
Joined Nov 2004
persian_mafiaNov 11, 2025 3:52 PM
Pro
Sr. Deal Editor
35.7K Comments
This offer is back again
Nov 11, 2025 4:09 PM
533 Comments
Joined May 2012
BaconSnakeNov 11, 2025 4:09 PM
533 Comments
obviously I need to google this, but if I wanted to replace my 3x Lead Acid Trojan batteries for my golf cart, what kind of charger would I need? Would it need 36v output, or could I simply connect a regular 12v charger to the system and charge, albeit slowly?
Nov 11, 2025 4:29 PM
8.3K Comments
Joined May 2009
purificadaNov 11, 2025 4:29 PM
8.3K Comments
i might have to jump on this as a upgrade to my mighty max 12v 35ah.
Nov 11, 2025 5:12 PM
76 Comments
Joined Oct 2007
JfallwellNov 11, 2025 5:12 PM
76 Comments
Quote from BaconSnake View quoted comment :
obviously I need to google this, but if I wanted to replace my 3x Lead Acid Trojan batteries for my golf cart, what kind of charger would I need? Would it need 36v output, or could I simply connect a regular 12v charger to the system and charge, albeit slowly?
Different chemestry batteries need* specific chargers for that chemestry - so you would need a lifepo4 charger instead of the one built in for your existing lead-acid/sealed LA/AGM. The nominal 12v or 36v answer depends on how it's wired internally, so you'd have to check the hardware/wiring yourself to be sure if it's series or parallel.

* Note: there is overlap between different battery chemestry so someone who either knows a lot (or doesn't know enough) can find a way to charge batterys using the wrong charger, but it is really not a good long term plan
Nov 11, 2025 6:10 PM
29 Comments
Joined Mar 2016
ongthayboiNov 11, 2025 6:10 PM
29 Comments
I have a pond air pump ruuning from UPS but it does not last very long when power outage. Can i replace the small UPS battery with this if i can extense the wires ?
Nov 11, 2025 6:34 PM
533 Comments
Joined May 2012
BaconSnakeNov 11, 2025 6:34 PM
533 Comments
Quote from Jfallwell View quoted comment :
Different chemestry batteries need* specific chargers for that chemestry - so you would need a lifepo4 charger instead of the one built in for your existing lead-acid/sealed LA/AGM. The nominal 12v or 36v answer depends on how it's wired internally, so you'd have to check the hardware/wiring yourself to be sure if it's series or parallel.

* Note: there is overlap between different battery chemestry so someone who either knows a lot (or doesn't know enough) can find a way to charge batterys using the wrong charger, but it is really not a good long term plan
Appreciate that, I'm definitely planning on getting a new charger to go along with it.

I've done some google searching this morning and there are a LOT of people saying it's a bad idea to put 3x in series to get 36v as the BMS will really complain.

Lots of recommendations for a chins 36v but that sucker is $600.....

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Nov 11, 2025 7:08 PM
269 Comments
Joined Apr 2006
Flfishing13Nov 11, 2025 7:08 PM
269 Comments
Quote from enrights View quoted comment :
Does anyone know if these can be used in series to make 24v for trolling motor?
I used 3 of these, but the 150ah, in series for my trolling motor. They're really impressive in that they hold boat on 10 hour trips offshore with minimal battery usage according to the app. I highly recommend but have only had mine less than a year.
Nov 12, 2025 4:46 AM
203 Comments
Joined Jul 2012
billy_kiddNov 12, 2025 4:46 AM
203 Comments
what's a good charger for this?
Nov 12, 2025 1:19 PM
56 Comments
Joined May 2016
cave2283Nov 12, 2025 1:19 PM
56 Comments
Quote from CjTravel716 View quoted comment :
Do we trust aliexpress? I feel like it's fake
I've ordered several things on their site and they arrived on time, to my surprise.
Nov 16, 2025 8:39 AM
48 Comments
Joined Dec 2014
deezy186Nov 16, 2025 8:39 AM
48 Comments
Quote from ongthayboi View quoted comment :
I have a pond air pump ruuning from UPS but it does not last very long when power outage. Can i replace the small UPS battery with this if i can extense the wires ?
Hey just wanted to say, I just did this myself and it works. I'm using a cyberpower cp1000pfclcd with ups on the pc/monitor/modem/router. I had planned to do this a while ago and had everything ready, I had bought some 10ga wire from home depot, a 30A breaker to put on the hot side close to the battery (I will change it to a 60A, since this UPS only does 600w max anyway) and the spade terminals to connect to the UPS and ring terminals for the battery. I ran the wire from under the UPS from the battery compartment area to this battery and its fully functional. I could start the UPS from the battery alone and it works when I test it by pulling the socket out the wall, all devices stay on and this battery takes over. Good luck with your project!
Pro
Sr. Deal Editor
Nov 18, 2025 5:54 PM
35.7K Comments
Joined Nov 2004
persian_mafiaNov 18, 2025 5:54 PM
Pro
Sr. Deal Editor
35.7K Comments
This deal is still available
Nov 18, 2025 6:11 PM
565 Comments
Joined May 2015
WayTooEasyNov 18, 2025 6:11 PM
565 Comments
Please do your research before buying.. This is a minimal capacity battery. About 1/2 of the capacity as a standard sized battery. NOT for a golf cart. NOT a good trolling motor battery. NOT for a car. Really, this battery has limited uses.
1
2
Nov 18, 2025 7:37 PM
32 Comments
Joined Mar 2019
AndrewJ9Nov 18, 2025 7:37 PM
32 Comments
Quote from WayTooEasy View quoted comment :
Please do your research before buying.. This is a minimal capacity battery. About 1/2 of the capacity as a standard sized battery. NOT for a golf cart. NOT a good trolling motor battery. NOT for a car. Really, this battery has limited uses.
Use this exact battery for trolling motor and has been in use for 3 years without issue. Get a full day of fishing out of it.

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Nov 18, 2025 8:16 PM
420 Comments
Joined Aug 2017
SparkiekunNov 18, 2025 8:16 PM
420 Comments
Will this be good for POW-POW-POWERWHEELS?

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