Oct 28, 2019 · FYI, new product on market, a BMS for the Valence U27-12XP batteries Much less cost that Valence (hard to find) units, can program yourself easily. Tradeoffs, less overall features, but will probably handle 80% of users out there.

Jun 28, 2020 · Today you can aquire a standard HV valence bms pretty easily. Also, the HV bms are easy to convert to 12/24/48 and you have the positive of a production ready product right out of the box. I'm sure you know and understand the value of a quality product after the thunderstruck and others trying to use the Chinese stuff.

Apr 26, 2020 · But I now have an opportunity to purchase (4) Valence U27-12XP batteries and want to use them in my cart instead of the Leaf's. I understand that the Valence batteries have a built-in BMS, but those are just for balancing the modules in each battery alone...and even then you need the software running and 4v's to each battery.

Mar 29, 2020 · #1: I'll try and keep this organized. We're limited to 10,000 characters so this will be a multi part post. If you have an XP battery or a bunch of them this will be a good thread for information on how to treat them properly. We'll discuss what the Valence Brand U-BMS actually does and how to...

Sep 20, 2020 · Be careful, internal BMS of each battery does not prevent anything, unless it is connected to a Valence BMS properly setup. Internal BMS only provide light balancing of the internal cells if connected to an an RS485 device. If not plugged, the internal BMS do nothing... There is no FET or relay inside the battery to switch off the power.

Mar 29, 2020 · So I removed the proprietary Valence BMS cables (saved them) and pulled the JST-like connector through the same hole. Then I sealed up the holes to make them waterproof again. All of this is removable and the battery can be returned to the factory Valence configuration easily. All sealed up and ready to be connected to my BMS of choice!

Dec 4, 2019 · I monitor the 4 batteries with a PC under Windows 7 and the Valence diag module software. I will be interested in the following Valence software: - Configuration and Monitoring-BMS CAN monitoring-BMS firmware update and configuration I will be grateful if you will share them. Regards, Philoup

Dec 4, 2019 · From my experimenting, I've noticed that my XP-batteries starts to do internal cell balancing by them selves after the first cell reaches 3,4v, without any BMS plugged in, so I don't think the BMS has anything more to do with balancing than this. I actually have an U BMS HV configured for my needs, but I wanted more specific control.

Dec 5, 2019 · #1: I'll try and keep this organized. We're limited to 10,000 characters so this will be a multi part post. If you have an XP battery or a bunch of them this will be a good thread for information on how to treat them properly. We'll discuss what the Valence Brand U-BMS actually does and how to...

Nov 16, 2019 · does the Valence u27-12xp have a built in low voltage cut off and battery balancer? or do i need to get one. i have three of U27-12xp hooked up in series for my 36 volt trolling motor max load is 52 amps. I'm looking for a lot voltage cut off and. I have that thunderstuck VC1 BMS being shipped to my house.