battery

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  1. N

    Alternator or battery

    I have a 2008 Mercedes c200 which is dead in the driveway. It starts perfect and quick when jumped but does immediately after being switched off (doesn't turn back on unless jumped). I tested the voltage with a multimeter and got the following Stress no accessories 1.5rpm 13.77 Stress with...
  2. 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...
  3. EricMark

    How long to leave a battery on charge?

    With a smart charger and 5 out of 6 batteries I want to keep in good order it is a case of clip and charger and remove again one or two weeks latter. Using an energy monitor on supply to charger it is clear as the battery charges it auto turns off, however I have one odd one out, a 95 Ah battery...
  4. littlespark

    Solar DIY kit - type of battery?

    Happy Sunday, lads and lassies. I got one of those fold up briefcase type solar panels for camping from a neighbour. Seems pretty well self explanatory, but I just wondered what size battery to get? Im thinking of setting it up on my garden shed just for a light. I don’t think it needs to be...
  5. N

    Charge battery via fusebox with solar charger

    Good moaning all, I want to install a solar charger because my MK1 1997 Clio 1.8 RSi seemingly has a parasitic draw and counteracting it is probably better than trying to find and fix it given the car's age. If anyone wants to buy it in September let me know! The problem is that the cigarette...
  6. H

    I have a 12v 90ah leisure battery and 2 sets of 25 G40 Bulbs String Light but need a new inverter which one is best please

    THIS IS FOR ELECTRICAL NEWS ONLY
  7. S

    Selecting the proper solar panel/ battery system for 12v LED strip

    Hi all, Complete novice here, but I'm trying to learn. I am making a solar powered, back-lit estate/ driveway entrance sign, and am stuck regarding the correct wattage, amperage, etc for the panel and battery. I'm planning to use 5 meters of 12v 18w strip, but would like to be able to use...
    • Sign Guy
    • Thread
    • 12v battery led led strip panel proper solar solar panel strip system
    • Replies: 1
    • Forum: Lighting Forum
  8. M

    Difficult to start, even with new battery, good charching etc

    Hi Winter here inSweden when I noticed a starting problem. When it was very cold it didn't start, not even cranked the engine. So I thought it was the battery which was rather old. The strange things was that it didn't even cranked the engine with some help from another car battery with the...
  9. R

    How to wire small AA battery project

    Hoping someone can help with this small little project. I reload ammo and I want to make what is known as a "vibrating powder trickler", basically a funnel that fits into a hole in a small aluminum block (roughly 3/4"x3/4"x2"). The end of the block has a hole that meets the vertical hole where...
  10. RobFrancies

    New battery or starter for it

    Hi guys, Since this winter, I realized that the batteries on my cars have outlived theirs, I decided that I needed to take new batteries, but later I found such a thing as a starter, does anyone use them? what kind of feedback can you give? Then I read about some models and selected a couple of...
  11. Genedna

    1928 vintage car and using a lifePO4 battery to run some items.

    Hi!! I have a 1928 vintage car, and want to run a Stereo with AMP, and install some airhorns. The car uses a 6V battery, so I bought a separate LIFEPO4 100AH, 12V battery to run these items. The stereo amp needs 15A, and the airhorns are also 15A. The stereo unit, not sure yet (trying to find...
  12. A

    Keeping a Battery Charger Always in an Electric Outlet

    I need to know whether a battery charger can be kept in an electric outlet all the time or whether it should be disconnected every time after a smartphone has been charged. It is not convenient for me to have to disconnect it from the electric outlet every time. Does a battery charger...
  13. K

    Voltage fluctuations on a 1000VA 600W UPS with 40% load when on battery

    Hello guys, I live in Europe (240v) and I've recently purchased a Line Interactive AVR 1000VA 600W UPS with in order to protect my new PS5 gaming console and TV. The PS5 (max 200w) and 42" LED TV (max 120W) are the only things connected to the UPS. If a video game is playing on console (to draw...
  14. M

    Solar pv & battery course

    Hi all, long time lurker first time poster here! Was thinking recently that with the new ev charger installs taking off, and with Solar batteries improving all the time, there must come a point soon where by a solar pv install with battery system is becoming more efficient and viable, so...
  15. N

    Low Battery

    Hi all I have installed HS342S honeywell alarm, alls good but, one wireless door sensor keeps showing low battery, I have changed it for a new one but still showing on the keypad as battery low any ideas ?
  16. O

    BMW S1 E87 Battery Positive to rear lights

    Newbie here and electrics is not my forte. I can get by with installation of a car stereo and amp but that's as far as it goes. So I own a Series 1 BMW 2007 model and have just had a new AGM battery installed (which lives in the boot) I noticed a few wires coming off the positive end, one isn't...
  17. T

    Old Campervan Aux Battery Charging components, what is this thing!?

    So I've been using a friends Toyota Hiace Campervan (1989, high roof) I've just upgraded to a 105Ah battery from a 65Ah Solar charging works as expected, but the charging from the main or alternator isn't doing enough to keep it topped up. When the ignition is on (before the engine has...
  18. jmmrly

    Texecom 'A System Low Battery Alarm Occured'

    Hi, I've just got a texecom connect notification that 'A System Low Battery Alarm Occured'. I'm wanting to find out what this means? I'm a total Texecom newbie but i'm wanting to see if I can sort it out myself rather than calling the installer back for a charge. I've had it around 2 years now...
  19. R

    Correct Gauge Wire For Parallel Dual Battery

    First Install with a Parallel circuit or this distance. Connecting 2x 12V 90ah AGM batteries in parallel and the cable length with roughly be 2 meters in length. Putting the batteries any closer is not an option due to space restrictions. 20-30amps is roughly what will be drawn at one given...
  20. O

    Leisure Battery To Power A Fridge?

    Hi guys! I'm starting a catering trailer business and I'm working on ways to power my fridge overnight so I don't have to have an off-site fridge. I have a fridge that runs at 240v, 1.6A. Can I run this fridge on a leisure battery? The one I'm looking at is an A-Grade, 12v, 1200watt hours...

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