Trying to order another lithium 24V cell balancer

softdown
softdown Solar Expert Posts: 3,899 ✭✭✭✭
in Off Grid Solar & Battery Systems #1
Two years ago I ordered two 24V lithium batteries. Each came with its own BMS (battery management system). Due to being about broke I only ordered one cell balancer for the two batteries - reasoning that I could periodically remove the cell balancer from one battery and install it on the other battery. I hoped that I could simply order another cell balancer when finances improved of course.

Now I have the time and money to order another cell balancer. Cell balancers cost about $120 a couple years ago, as memory serves. But I can not find anything related to a cell balancer at bigbattery.com - that is where I bought the two 24V lithium batteries. Those batteries were originally made to power Fiskar electric cars - as faded memories serve.

Must have ordered the cell balancer from somewhere else. Big Battery shows my order history as simply this: 24V A123 LFP Battery – (a123 8s5p) x 2

Memories could be slightly off, this was August 2020.

Anybody know of a better name for what I am calling a cell balancer? Or a good place to get a cell balancer for a 24V lithium battery? Thanks in advance!
First Bank:16 180 watt Grape Solar with  FM80 controller and 3648 Inverter....Fullriver 8D AGM solar batteries. Second Bank/MacGyver Special: 10 165(?) watt BP Solar with Renogy MPPT 40A controller/ and Xantrex C-35 PWM controller/ and Morningstar PWM controller...Cotek 24V PSW inverter....forklift and diesel locomotive batteries
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  • littleharbor2
    littleharbor2 Solar Expert Posts: 2,102 ✭✭✭✭✭
    edited November 2022 #2
    It's called an Active balancer. I got mine from ebay but you should be able to find them elsewhere. Usually, they are cheaper than $120.00

    Happy Thanksgiving my friend.

    2.1 Kw Suntech 175 mono, Classic 200, Trace SW 4024 ( 15 years old  but brand new out of sealed factory box Jan. 2015), Bogart Tri-metric,  460 Ah. 24 volt LiFePo4 battery bank. Plenty of Baja Sea of Cortez sunshine.

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  • softdown
    softdown Solar Expert Posts: 3,899 ✭✭✭✭
    edited November 2022 #3
    littleharbor2 said:
    It's called an Active balancer. I got mine from ebay but you should be able to find them elsewhere. Usually, they are cheaper than $120.00

    Happy Thanksgiving my friend.

    Thanks! Ordered two more since they are so easy to short out.

    Man alive, seen inhuman challenges due to the covid disuptions! Was a month late paying a Sheridan, Colorado city stormwater runoff bill for $69. Now they seem to be putting a lien on the house via the next county property tax bill. They are calling it a "special assessment". Won't even let me talk to them. Government always amounts to unaccountable tyranny! Always. Looking for an attorney.
    First Bank:16 180 watt Grape Solar with  FM80 controller and 3648 Inverter....Fullriver 8D AGM solar batteries. Second Bank/MacGyver Special: 10 165(?) watt BP Solar with Renogy MPPT 40A controller/ and Xantrex C-35 PWM controller/ and Morningstar PWM controller...Cotek 24V PSW inverter....forklift and diesel locomotive batteries
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