Aliexpress deal, US shipping
ECO-WORTHY 24V 100AH LiFePO4 Lithium Battery, Deep Cycles Rechargeable Battery with Low-Tem Protection, Max. 2560W for Off-Grid
I haven't seen 24V deals in a while, and happy to have found this as my home setup is 24V. I already own 4 of these, but without Bluetooth and paid ~$330/each a year ago.
$248.45 - $30 coupon (CDUS30) = $218.45 before taxes.
https://www.aliexpress.us/item/32...09633.html
NOTE! It only let me buy ONE! When I went back in the price jumped up to $382.23 HOWEVER in Incognito mode, I could still see the price.
So hopefully you 24V guys can get in this deal too.
Ships from the US.
From their ad:
[Mini Size & Light Weight]
ECO-WORTHY 24V 100Ah Lithium Iron Phosphate Battery's size is only 3/4 of other LiFePO4 batteries, and 2/3 of lead-acid batteries (2PCS 100AH), which makes it more convenient to carry. Featuring a flame-retardant shell for enhanced safety, ensuring safer use. Most RVs need at least two batteries, and its compact size makes it easier to place and connect in the battery box.
[3000+ Cycles & Bluetooth]
ECO-WORTHY 24V 100Ah LiFePO4 battery can reach 3000+ deep cycles, which is equivalent to 6 lead-acid batteries. It can be used in parallel, making it more suitable for 24V solar panel kits with fewer wires, less heat loss, and fewer balance issues. Additionally, it comes with Bluetooth connectivity to pair with a dedicated app, allowing you to monitor real-time battery status such as voltage, capacity, and temperature conveniently.
[Replacement for Lead Acid Battery]
Our 24V 100Ah Lithium Iron Phosphate battery has high energy density. It weighs 44.75 pounds, which is only 1/3 of lead-acid batteries (2PCS 100AH), enabling a longer RV driving range. Unlike lead-acid batteries, whose service life will be shortened when discharged below 50%, this lithium battery is free from such limitations. The added flame-retardant shell further elevates its safety performance compared to traditional lead-acid options.
[Battery Management System]
Built-in BMS protects it from overcharge, over-discharge, charge over-current, discharge over-current, short-circuit, cell voltage self-balance, and high-temp discharge cut-off. Combined with the flame-retardant shell, it forms a dual safety barrier. The BMS data can also be synced to your device via Bluetooth, keeping you informed of the battery's operating conditions at all times.
[Multiple Applications]
The LiFePO4 lithium battery is highly stable and compatible with RVs/campers, caravans, ships, trolling motors, golf carts, solar systems, or as an emergency power supply. Its compact size, flame-retardant shell, and Bluetooth smart monitoring make it a versatile choice for both mobile and stationary power needs.
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Just put a MRBF fuse on each string and then parallel off that.
I have a varied mix of manufacturers and capacities (12V batteries, 3.2V CALB cells, 24V batteries), but each 24V string is matched. Been running for almost 2 years with no issues. I do have my charge controller (Victron) set to 27.6V with a 2 hour dwell. Keeps the top voltage from ever hitting the upper limit on the BMS.
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