battery

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  1. P

    Will a hybrid inverter and lifepo4 battery work as UPS?

    I live in the Philippines where the power is bad, we have constant outages and when it does work the voltage ranges from 160-255v and the hz ranges from 52-65. I had a UPS which I had replaced the battery with a bigger one but it finally blew up and now I have nothing as a backup and before I...
  2. R

    E bike Battery to power bank ?

    Anyone got any advice on how to convert a 37 v Li-Ion e bike battery into a 12 v power bank ? I will need off the shelf parts.
  3. E

    How to install additional 12V battery to run security systems

    Hello all, new here. I’m searching for advice whilst brainstorming the idea of installing an additional 12v battery in my car to supply the security systems. Some context, the car in question is infamous for being easy to pinch as it is easy to access the battery, disconnect it without setting...
  4. M-B-Electrical-Services

    UK Client wants a battery back up

    Hi all, I have a regular client who has asked for a battery back up system to be installed at their home. They live in a rural location on a single phase PME supply with a 100A fuse and run a business (internet based) from there too. They suffer from regular power cuts which affect the day to...
  5. ELLEQUE

    Any Boat, Yachts, or vessel electricians aboard?

    In miami, Florida,US, any boat electricians aboard?
  6. M

    Is is possible to connect a used Lithium Ion Battery from a Two Seater Smart car to an inverter?

    The idea of having electrical power from 240volt AC sockets in a sectional building not on the national grid is becoming popular among those who want to live in a tiny house. Is it possible to connect somehow a used lithium ion battery from a Two seater Smart Car to an inverter? Then to connect...
    • Martin001A
    • Thread
    • battery car connect inverter lithium possible smart used
    • Replies: 1
    • Forum: DIY Electrical Advice
  7. X

    Solis Battery installation

    Hi we have been asked to fit a Solis batteries and inverter to an installation and I wanted to check if the battery set up detailed will work completely independent of the solar panels as they have their own micro inverters fitted. Its our first exposer to domestic battery set setup and I can't...
  8. F

    Motorhome Leisure Battery /ECU Issues

    I have a 2005 Swift Kontiki 610 Low Profile and just been doing my usual pre winter check. I should say at the outset we are still amateurs re van electrics despite having driven around Europe and the Middle East over the past decade or so. Anyway ,to my surprise, the leisure battery reading was...
  9. R

    Replace leisure battery with Cigarette socket

    Hello, I’ve got a campervan with a 75ah lead acid leisure battery. Wired via a split charge relay. Now I’m tempted to get rid of that and just use a jackery or Bluetti for my power needs. However when I remove the leisure battery, could the existing wiring be used to power a cigarette...
    • Rodgers86
    • Thread
    • battery campervan leisure leisure battery replace socket
    • Replies: 2
    • Forum: Auto Electrician Forum
  10. G

    Battery tester that test batteries under load

    I am confused about battery testers for house hold batteries, AA, AAA, 9V, etc. Recently my smoke alarms started chirping so I changed the 9V batteries and no chirping. However, the replaced batteries tested good using GBT-500a battery tester. I was told that batteries need to be tested under...
  11. Pat H

    Critical load from PV battery

    Hi folks. I'm having a PV system installed with a 5KW Amasstore GTX5000 Battery. This comes with a critical load output. I have the spec sheet but its not clear if this output is active all the time or only engaged when the grid power goes down. I'm assuming its live all the time (unless the...
  12. johnglasto

    ASHP and Tesla battery

    I have a 11kw Air source heat pump heating our UFH. We're looking to fit a Tesla Pwerwall battery and have been advised that we should install a sort starter to avoid spikes when the ASHP starts up which could cause the battery to shut down. Does anyone have experience with such a situation...
  13. M

    Lithium Ion Battery fires in domestic BESS

    Hello, I'm part of a team doing risk assessment analysis of Lithium Ion BESS. Des anyone know of any domestic (house, apartment, garage, etc) fires caused by Lithium Ion batteries in a household BESS system? Thanks
  14. T

    Looking for help/info about my troopy battery setup

    Hey guys, I'm pretty new to 4x4's etc, so please go easy on me, just looking for some help/info. Some background: I have a 92 landcruiser troopy (75 series) with 100watt solar panel on the roof + dual battery redarc setup, I have an old style 45L engel fridge connected to the auxillary and a...
  15. M

    Help with Battery meter (golf cart)

    So I got my battery meter for my golf cart through Amazon today. I see two flat tabs where I think will need to connect directly to the battery. My question is, is there a purpose for the two round nuts above them? It looks like they would serve a purpose but not sure what to make if it. TIA
  16. N

    Solar solar protection for inverter and battery

    Hie. How can I size my protective devices for my solar installations because most breakers keep burning out. I'm I missing something?
  17. F

    Siren battery (where is it)?

    Where os the battery backup for the siren? I have ordered a Yale wireless system to replace the current old and faulty Accenta G3. I know that the G3 system has a feature whereby if the power is cut the siren goes off.. When I install the Yale system I want to disconnect the mains power...
  18. westward10

    On car battery charging.

    Now I haven't charged a car battery since my teen days but it seems our two year old car like many now are dependant on a good charge for all the functions to operate, the stop/start rarely works and the dealer who we know told me what I already knew it does not go far enough each day. They have...
  19. C

    Solar how to use unwanted energy

    i have 4 x 1.2 kw systems and i want something like powerwall or powervault to use excess energy during day toi charge batteries which will automaticall feed loads when pv stops
  20. D

    Attaching battery balancer to battery series

    I have two batteries in a series. The balancer has a black, white, and red cable. I understand where the black and red go, but don't understand where the white "pole" goes. It is only a single cable. Do I need to attach a splitter to it, or do I just attach it to one of the terminals in the...
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