batteries

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  1. Jasack

    Acorn 180 curve batteries

    I have the above chair lift. It only moves a few inches before cutting out. Then must be hand wound back to charging port. Once there it's only a minute or so till the lift shows full charged. I have switched off the mains the charging port. It's only a matter of minutes till alarm stop's and...
  2. M

    Sparks when trying to test golf cart batteries with a volt meter

    I bought a used golf cart a few days ago which had their batteries replaced last year. They hooked up an am/fm radio to it and it worked fine when you flip a separate switch. There is a “Tow” switch by the batteries that I was told to switch it to when not using the cart so there wouldn’t be any...
  3. Spinball

    UK Do I need three phase or not? Your advice appreciated.

    Hello folks. I am about to complete on a (detached) house purchase and I want to ask your advice whether to have three phase connected to the house and possibly whether I can have it connected for free. I plan to have two Zappy EV chargers installed with them both charging at the same time...
  4. G

    Solar Panels Solar Batteries , re charging.

    I have recently had panels fitted and very pleased with the results and am thinking about adding a battery to the system. As regarding re charging, is it a simple calculation? If, for instance, you have a system generating 5kwh at peak, will it recharge a fully drained 5kwh in one hour (...
  5. D

    Putting batteries in series to inverter

    I have the following batteries I need to connect to this inverter: https://www.amazon.com/gp/product/B09L89LW3P https://www.amazon.com/gp/product/B08YDQSDC4. I need to set the two batteries up in a series. I watched a few videos, and see you should attach the positive terminal first, then...
  6. F

    Smoke detector with separate backup batteries?

    Hi Guys, Perhaps an odd question but maybe it has been pondered by someone before; Scotland newbuild timber framed house. As required hard wired and interconnected smoke detectors with integral backup batteries. One of them is high up on a vaulted ceiling which requires scaffold to access. I...
  7. P

    Batteries for a simple horn circuit.

    My question is 'What battery do I use'? I am trying to to build a simple horn circuit for my wife's mobility scooter. My idea is to use a 6 or 12 volt motorbike horn, a battery and a switch in a simple circuit. I want something that is completely separate so it can be swapped between scooters. I...
  8. S

    Generator powered offgrid system with batteries advice

    Hi all I hope everyone is doing well. I have a new rural small house coming up that I need to use generator power for. It's 105 sqm and the time and cost to get connected to the grid need to be pushed out for me. (1-2 years) Has anyone any experience with some type of battery connected to a...
    • speedystu
    • Thread
    • advice batteries custom generator generator set inverter new build off grid powered system
    • Replies: 11
    • Forum: UK Electrical Forum
  9. D

    Lithium ion Rechargeable batteries tests ( AA, battery packs etc)

    Hello all, I am a QA manager located in the Netherlands and we conduct on site product inspections using a third party company in China. Some of our products use rechargeable batteries. I am looking to identify what kinds of tests our third party inspection company in china could perform on...
  10. alexhibbert

    UK 12/24V Battery wiring and charging advice

    Hello all, I'd like some advice on wiring up a 24V leisure power system. It seems to work so far, but my wiring doesn't seem to match many other diagrams online. I'm worried that I'm damaging batteries or wasting power. I have 4x 12V Lead Carbon batteries (all identical). I want to have 24V...
  11. C

    Leisure Batteries & Inverters for Mobile Coffee Van

    Hi All We're new here and looking for some advice to make sense of the world of leisure batteries and inverters. We're setting up a coffee van in an old Commer Highwayman. We've got an LPG coffee machine with its own battery and inverter for the electrical parts of it (pump, lights etc) We...
  12. Y

    How do I charge AGM batteries?

    Hey! I have a problem, my AGM battery is discharged to 0, I never thought about how to charge it, I have a regular battery charger, but as I read in this post, it doesn't suit me, really they can only charge 75-100% of the battery? What should I do? Need a new device?
  13. P

    Terminal "covers" for Bosch 10.8v\12v lithium batteries?

    As the title suggests, I am looking for some simple insulating covers to go over the terminals of my Bosch batteries to prevent any chance of them shorting while rattling about in a tool bag... I have seen some 3D print plans for such items, but can't find anyone selling the items...
  14. P

    combing batteries

    I I hook 2 identical batteries, each 100A 12V 1C, to an inverter, not in parallel, not in series, coming together at the inverter terminals, will I get 2C x 200A? Without trying to chase fractions around it looks like I can get max 8 amps of 120V AC out of 1 battery. If this works I would get...
  15. R

    Milwaukee 18v SDS and Combi Drill with 2x 5.0ah Batteries, Charger and Case

    I’m looking to sell my Milwaukee Kit. It contains: 1x 18v SDS 1x 18v Combi Drill 2x 5.0ah Batteries 1x Charger 1x Carry Case Collection is from Liverpool. I’m looking at £280 Ono. 1 x 18 Volt M18 BPD Compact Percussion Drill is a compact, high performance percussion drill that measures only...
  16. EricMark

    Charging batteries and battery voltage?

    OK I was an auto electrician back in the 70's and 80's so under stand a lot about batteries, however at that time the sealed for life battery was rather new, and you may have had a VRLA in a fire alarm, but not in a vehicle, the AGM battery was unheard of. So did have stage battery chargers for...
  17. T

    Making the best of a bad PV installation

    I'm after some practical, expert advice on changing a solar PV system. Got a 4 kW system which I probably paid too much for in 2016-ish when FiTs were still a thing and which is annoyingly inefficient, mainly due to the Growatt SP2000 battery which only kicks in after dark, when the panels are...
  18. A

    Eicr code

    Hi just wondering what code you would give for hard wired smoke alarms with removable batteries, I always thought this would be code 3 but I got told recently that it’s a c2. Would be grateful if someone could clear this up for me also would the code be the same for out of date smokes? Thanks in...
  19. GBDamo

    8v, 500mA ac/dc adaptor replacement with batteries

    I have a relatively cheep LCD clock in the kids room (Grow Egg Clock) that is supplied with a ac/dc adaptor, 8V 500mA. As the little moster keeps playing with it I'd like to put it on a shelf but there's no sockets near by. Was considering one of those 9V battery enclosures with the correct...
  20. S

    Aquion batteries (Salt water)

    Can anyone point me in the direction of some Aquion battery stacks? I think there are some sitting in a warehouse somewhere after the company went bust two years ago but it is hard to find out where they might be. Thanks all.....

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