battery

  1. S

    Solic 200 alongside Battery system

    I've seen similar questions but not one that specifically answers my question. I have a Moixa battery system in my house that uses a clamp sensor on the live feed to use excess solar power to charge batteries, that's all fine of course. Problem is, and you may guess this, when I fit the...
  2. R

    How much off-peak charge can you store in 4hrs?

    I'm considering buying a home battery storage solution and read that with 3kWh feed you can only charge 12kW during the 4 hour Octopus Go off-peak window, which makes sense. Is it the mains supply, battery or inverter that bottlenecks this 3kWh? I've read some batteries (or was it inverters?!)...
  3. T

    Need 12V 2A Battery and connector

    Hi, I sometimes wish to use my mobile router off battery. Its one of these https://www.4gltemall.com/huawei-b625-261.html#:~:text=Huawei%20B625%2D261%20is%20a,name%204GEE%20Home%20Router%202. It needs 12V, 2A. I can get a battery for this. But what is the name of the connector used on the router?
  4. Y

    12V voltage drop dual battery camper installation

    Hi there I can't wrap my head around a problem I have when trying to connect my dual 12v battery system in a camper. When I plugged in my VSR ( Orion from the brand Victron) i measured the + input was 3 volts although engine running (and app saying 14v input...). I thought the wire were too...
  5. J

    Solar Need an installer for my home. Solar + Battery

    Hi All, I am looking for an installer to install 1. JA 455W PV panel X10 (Approx £1800) 2. GivEnergy 5kW inverter + 8.2kWh battery (Approx £3600) I have a 4 bed detached house in Wokingham, with a pyramid hipped roof. Best Regards
  6. P

    UK tool repair advice for a battery charger

    I have a mapole 12/24v battery charger 2014 model approx.it will not charge it switches on and lights up the transformer is buzzing but no life at the 12/24v have cleaned all connections I removed the rectifier so how do I test it or just buy a new one thanks petekay
  7. U

    Any battery storage system worth having ?

    I already have a 4kW PV system that will be 10 years old in September, just looking at how much my electricity cost will increase in March when my fixed rate ends i'm starting to wonder if any Battery storage system is worth investing in now that energy prices and going mental.. My Electricity...
  8. Harold Bradshaw

    PC Mainboard - CMOS Bios Battery Circuit

    I could imagine the CMOS Bios Battery circuits are quite similar on all recent mainboards. What does it look like and how does it work? Background: My mainboard started draining the bios battery (an ASRock H55M). I inserted a fresh battery with 3.3v. It only measured 2.9V when I removed it...
  9. S

    Campervan Battery Upgrade

    Hi All, first post here therefore please be gentle! 🤣 I've just purchased a new campervan and first weekend away, the leisure battery drained/died after 2 days off grid/wild camping, due to only being a 75ah battery installed. The existing is a Lead Acid and I would like to remove that and...
  10. T

    Car battery replacement

    I have had an N-reg Cavalier in long term storage during which time someone has deprived me to the battery. I suppose I could get a replacement from a breaker's yard but then I would not know the security code and the radio would be useless. The guys that designed such units obviously aimed to...
  11. Had8Lives

    Earthing and Battery supplied Inverters

    Hi All, When I heard reports on the radio of people not being able to run their gas central heating because of a power cut, it got me thinking. Is there any reason a gas boiler couldn't be run on an inverter and a battery? I was thinking there might be a potential issue with some ac making...
  12. B

    Checking a Gtech Battery

    Hello folks, I am trying to help a friend at the moment. My question is, is it possible to check the battery that powers a Gtech vaccuum cleaner. I have a multimeter but I wouldn't know where to start to carry out a test. I have plugged it in and had it on charge for many hours without any...
  13. david74

    Omron scales battery drain. Where do I start?

    Hi, I have these Omron BF511 scales which notoriously develop a battery drain problem. Normally they are supposed to last a year but suddenly they start draining a set of 4 AA batteries within a day. I took it apart to see if it has suffered from water damage. And indeed it had. The water...
  14. J

    Best battery system to add to existing PV installation

    Hi, I'm new to this forum. I had a 4kW PV system installed in 2011 with SMA inverter. It has performed without fault and I'm now considering adding battery storage. I'm looking for advice on the best sort of system to use, and manufacturers and installers in SE England. My estimated annual...
  15. G

    Mikita DC18RC Charger, 3.0Ah 18v Battery question?

    I am very confused by this charger. The yellow LED in on, Battery Conditioning. What does that mean? Battery is fully charged, I think after 30 minutes. The yellow LED is still on. Makita needs to provide better documentation. Their lead blower runs out of juice on high after about 15...
  16. F

    9v Battery Backup in line with mains adaptor?

    Hi everyone, I have a Toro garden water controller. It is a 9volt system operated by two PP3 batteries. With age the very thin wires on the battery connection have broken. It is in a shed so I have changed the batteries for a 240/9v adaptor. Works great and saves a lot in replacement batteries...
  17. littlespark

    Battery off-peak charging?

    I’m highly likely to swerve this one, but just wanted to hear some thoughts. Old guy at newsagents this morning saw my van and started asking questions. He wants to somehow use off-peak rates to charge battery’s overnight…. Then use the battery through the day to run the house. (Electric...
  18. T

    Buy Solar battery storeage then disconnect it?

    Hi, I wish to buy discounted solar battery storeage, eg Powervault. https://www.powervault.co.uk/ I can get £2k discount if i agree to "grid-flex", in other words, i connect it to the internet, and let the power company sometimes have control of my battery, and then they can sometimes...
  19. donzoh1

    Adding 12v Deep Cycle Marine battery for CPAP and camping

    I'm wanting to add a 12v deep cycle battery to my minivan to power some items. These are a CPAP machine and some small vent fans (like USB powered computer fans.) At the rear of the van is a 12v cigarette lighter socket I'd like to use. Can this be connected directly to the battery (positive to...
  20. T

    How to wire a comms wire to a Battery storage system?

    Hi, We want to buy a Powervault Battery/Inverter/charger storage system. The Powervault must be able to read a current transformer, clipped on to the incoming mains line next to the consumer unit. This current transformer module has an ethernet connection. The following Powervault...
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