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Batteries

Batteries, battery monitors, chargers, accessories & battery care

  1. Hi, I have a account with Watch power. I forgot my user name and password. please help to reset.

  2. Started by GeorgeP7,

    May I ask what the 154 means on the data plate of this battery. When i opened it up i found 30AH cells in pairs on one model and 130AH single cells in the other. The manufacturers data sheet for these cells shows a capacity below that suggested of 8 kilowatts. Has anyone else observed this anomaly?

  3. Started by Bas84,

    Hi guys , can you please assist with which settings to enable battery comms I should use on the luxpower sna5000 and perhaps cable config for bluenova bns52v rack mount battery

  4. Started by slynch,

    Hi there Can anyone please assist. I have a 48v v svolt lipofe4 battery that has changed itself way it works lately. It now cuts off with 4 lights still remaining and at 53% charge left. I contacted luxpower and the support tech suggested that I update the bms as it may be drifting. Does anyone one know how to fix this. If you could help it would be appreciated as I am disabled and have no clue how any of this stuff works. I can leave my number 0784702897. Thanks Shawn

    • 0 replies
    • 128 views
  5. I have a 8kw Deye Inverter and 2 x 5.1 CFE batteries. When my batteries are discharging, at times the SOC hits say 60% and then just drops to 0%. It then starts charging gets to 40% and then jumps to 100%. What would be causing this?

    • 3 replies
    • 252 views
  6. Started by Scorp007,

    Not to cause any alarm but create awareness about the current tech we love. This link was shared on a watsaap groep by a member. A very informative channel.

  7. Hi all, In case you need to update the obsolete Pylontech Phantom‑S model (based on the US2000B platform) from an older 1.7 firmware version to a newer one, please see the confirmation below: Please see capacity calculation difference vers versions 1.7 and 2.4. From 1.7/B63t: to 2.4 - see within forum for us2000b _v2.4.bin to 2.9 - after a successful flash to version 2.9, the device name will change from Phantom‑S to US2KBPL. See the forum thread for the us2000b v2.9Crc.bin file (the version will be shown as 2.8). pylon_debug>info @ Device address : 2 Manufacturer : Pylon Device name : US2KBPL Board version : PHANTOMSAV10R01 Main Soft …

    • 0 replies
    • 278 views
  8. Hello Forum, I am looking for the Pylontech Force L2 Firmware B63.19.0 (24-07-24) to be able to update one older battery Please could someone help? Where to find? Many thanks, Regards,

    • 0 replies
    • 111 views
  9. Hi All, This is one for the Battery guru's ! I have a 12.5 kw Sunsynck 3 phase Inverter with 3 x Dyness A48100 batteries. 12 x (455w) solar panels, for residential use. Purchased 20 May 2022. During that time it was regarded a system for a larger house and that 3 batteries should be fine. The advice I received was that "one can always add on batteries later" . During that time the batteries was selling for end user (Myself) at R 27 999 / per battery. Recently I wanted to purchase 3 x more batteries to expand my system. Only to find that the batteries are DISCONTINUED ! The installers advice to me was that I must purchase 2 x new Dyness powerbricks 15.3 Kwh. Cost R …

  10. Started by Emile Pienaar,

    Hi, I am busy trying to communicate with Huawei ESM-48100B1 batteries through RS485. When polling just one battery I have no issues, but I want to connect more batteries in parallel and read them as a rack. When I procured my batteries they were set to the default slave ID of 214 so they both share the same ID. Looking through the modbus spec it gives no indication of how multiple batteries can be read from or how slave IDs can be changed. I know there is a Smart Logger that Huawei sells that allows one to edit certain parameters on these batteries (haven't been able to confirm if Slave ID is one of them), but I would prefer a method that didnt require me to go out a…

    • 8 replies
    • 7.3k views
  11. Good afternoon, Does anybody know how to setup the battery wifi to the app on cellphone. The steps in the owners manual not clear. Thanks Ferdie

  12. Started by Willem van Rensburg,

    I have a 8kw Deye inverter with 2 Volta stage 1 batteries. The problem is that only the Master battery discharges and nothing from the Slave battery. If the charge om the slave go below 50% it starts to draw currant from the grid. If I switch the Master battery of the slave battery start to supply power to the inverter. That started during a 4 day power outage the we had the past week. What can be the cause and what must be done to rectify this situation. Thanks Willem

  13. Hi, i use BatteryView HV 3.9.4 with my PowerCube H1: SC1000-100 with 14xH48050. I updated the SC1000 to FW 5.7 but have different FW Versions on the H48050 Battery Packs and cant get nowhere the newest Firmware. I am aware of the issues if i make an error - i killed a H48050 with the wrong firmware (any ideas to reset?????). Pylontech mention that alle Battery Packs have the same firmware! Thanks a lot Helge from Germany

    • 1 reply
    • 199 views
  14. I have a 6 year old installation in a 4 x 5kW Axpert Inverter setup as attached with 20 x Pylontech US2000 Plus (And some new US2000C Top batteries in Cabinets for failed US2000C Plus Replacements). US2000 Plus Batteries started failing 1 or 2 at a time since 2 years ago with 900-1100 cycles on the batteries. Initially when installed in 2017 Pylontech approved the 53.2v Float/Absorption charge settings for the 10 year warranty and it was submitted to them by installer. 2 Years ago they replaced 2 batteries. The voltages on inverters was then adjusted by installer due to 2 batteries failing to a lower voltage 52.7v Absorption and 52.4v float, according to installer Pylonte…

  15. Started by Thomas007,

    Goodday does anyone have any info how to connect bms to navasolar battery to get comms

  16. Started by LourensJB,

    Hi all - first time post here 🙂 I have a 54 Volt Blue Nova battery approximately 10 months old now. It is controlled by a Victron Multiplus 48/5000 unit - age of installation approx 5 years. The available energy from the battery is constantly decreasing up to a point where it now disconnects the Multiplus while even being at 40-50% State of Charge. This is with an approximate continuous load of around 120watt overnight. Originally when new it could go down to below 5% SOC with such a low load, only requiring a big load for it to go into protection (Low Battery state) while still at say 20% SOC. I have a full island system being on a small holding and have a …

  17. Does anyone know if this is hardware specific or firmware specific. I have have 6 US5000 and I can only get Batteryview v3.0.28 to see the module I have the cable plugged into. I am connecting using Console port to USB on Windows. Plugging the cable into the Master battery still only shows that battery in the left pane on the software. I presume this is a firmware issue. Anyone with more understanding of the software might be able to answer me.

  18. Started by ShadowXFX,

    Good day, This is the battery I bought: Hubble Battery I am bit worried concerning this battery. I bought it on the 20 February 2024 as my gel batteries were terrible. Got the electrician to come set it up and everything. I maybe used it 10 times or so as loadshedding actually disappeared for a bit. This battery has 6 lights that show battery level. So all 6 are always on basically since no loadshedding and usage. About a month or so ago I realized 1 light was off, I didn't pay to much attention as I rarely checked it. Last week I noticed 2 lights were off. I am very confused as to why this is losing battery life I presume if not even being used? or am I m…

  19. Hi all. I don't understand what has happened with this battery last night. See the graph of SOC since midnight: As you can tell, I have set minimum SOC to 40% (maintaining a buffer for loadshedding), which was reached soon after midnight. But, for a reason I don't understand, the battery suddenly reported 0% at about 2:15am. I have not seen any alerts or faults logged. It now seems to be charging as normal again. I see that there was loadshedding scheduled for 2-4 am, but the graphs tell me it never happened as there is Grid feed throughout, rather than feed from the battery. What on earth?!? Any ideas or explanations anyone? FYI: SynSynk 5K…

  20. Good day Power Forum. Anyone ordered from https://macsell.store/collections/solar-batteries/products/dyness-24v-2-56kw-100ah-dl2-5-lithium-battery?. How is their service / product quality?

  21. HI I have two batteries : Dyness bx51100 Dyness dl5.oc Communication conversion box . What are the dip switch settings and struggling the inverter to find batteries .

    • 0 replies
    • 195 views
  22. I'm curious if anyone else has seen this with older Hubble AM2's, specifically v1.5 BMS examples - subtle but definite bulging of the housing? The bulge isn't immediately obvious - but tapping the top cover gives a non-hollow sound indicating something (obviously the cells) is pressing against the metal. Tapping a healthy battery gives a hollow sound. I've come across two cases of older battery pairs, both from 2021 (Serial number starts with HL21...) that were upgraded to the newest firmware version when the additional batteries were added, but have the oldest BMS version (v.1.5), also showing reduced battery capacity. All indications are the battery cells are degraded (…

  23. Hi all, I have 4 x (Nava Solar TD-LFP-48100RM) Batteries in parallel connected to my 2 x Growatt SPF 5000 ES inverters. The inverters is talking to the main battery and reports that there are 4 batteries connected. My issue is that with each battery having a theoretical capacity of 4.8kw I should have a capacity of about 16kw in battery storage. But it has been running now for two weeks and initially I only had 4kw discharge from the batteries before they where empty and after a week I have about 8Kw discharge. So it seems to me that there is a balancing issue with the batteries. When the inverter reports that the batteries are at 25% al…

  24. Morning Does anybody have the can pin layout or the booklet for this battery or even the 200AH one? Just want to double check the CANH and CANL pins

  25. Morning all, So after my last 4 Pylontech us3000c were a complete write off, I am now going to be shopping around for a new battery system. This time around, support, support, support is going to be key focus. So at the moment I have two possible brands lined up as possible replacements, I'm only going to start with one 5kwh battery at the moment as this year has already been very expensive. Freedom Won eTwower 5kwh - manufactured in South Africa, the company has been around for a long time, they have a lot of installs. Greenrich UP5000 - manufactured in South Africa, it's a relatively new company, they seem to be popular because of their price point. I would really appre…

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