battery

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  1. Curiosity666

    Can i wire direct from battery to instrument cluster fuse

    The dash in my 2012 ford focus stopped working.. after some testing, the ground is perfect but there is only .34v going to the harness for the cluster and same coming into the fuse.. there is 12v from battery to high current fuse but i havnt tested from there to engine bay fuse box yet.. the...
  2. S

    Car battery health using a MFT?

    Can I check the voltage of the battery using my megger mft1722? If so what are the steps and settings I'll need to put it on ? Thank you.
  3. Tequila

    UK How to arrange consumer unit to ignore car charger load so that it does not discharge home battery when called to charge from Octopus energy.

    So I have an issue with a Zappi car charger discharging my home battery when called to charge by the octopus intelligent system. This is happening because the Zappi charger load is measured by the main supply CT so is seen as a home load by the solar/battery system and the battery discharges to...
    • Tequila
    • Thread
    • battery called car car charger charge charger consumer consumer unit energy home how to load unit when
    • Replies: 1
    • Forum: UK Electrical Forum
  4. D

    Vehicle battery as a power source

    If I use a vehicle battery connected to jumper cables, which is then connected to the heating element of a kettle, which is then placed in play sand, in a metal container, will the sand then heat up?
  5. H

    Charging 12v Battery with Solar Panel?

    I use a small 12v 1.5w Solar Panel to charge my engine battery, quite often it's not powerful enough and the battery loses charge. If I buy a bigger one say 30w, would that still trickle charge (albeit faster) it, or would it damage it? TIA
  6. s#loxy

    which charger for Sealed Lead Acid Battery 12V 7.0Ah?

    I'm planning on buying 12V 7.0 lead acid battery (item 38315 from Screwfix) to power a small water pump(Seaflo 12V 1.2 GPM 35 PSI Water Pressure Diaphragm Pump). I've searched a bit for which charger to charge up battery but was hoping someone would point me to an affordable option or tell me...
  7. D

    How to measure battery bank energy?

    Does monitor on a bank measure true watt hours if the batts have different state of charge?
  8. D

    Watt hour means what?

    What does Wh indicate in a battery monitor?
  9. David1977m

    Help picking a new SDS battery drill - Day 3

    Good morning I'm after a new battery operated SDS drill. I currently have a Bosch SDS hammer drill 240v that I bought 10-15 years ago for home use, however after being in Electrical vehicle engineering, I'm now doing L3 Electrical Installation and realised I'm going to need a battery SDS. I...
  10. S

    At what voltage should a 1.5V battery be replaced?

    Hello, I used two 1.5v batteries for the remote AC. (AAA/R03P/1.5V) and Its expiration time is 03.2025. The battery is weak, and the air conditioner cannot be turned on. I replaced it with two new batteries and the problem was solved. I measured the voltage of both batteries. They are 1.54...
  11. RicksMule

    How to wire a C/B into a dual battery set up

    QUESTION: How to wire the C/B into this current dual battery set up. EXISTING SITUATION: MAIN Battery is OEM and feeds OEM circuits. Added an AUX Battery in the OEM dual battery location. Connected the AUX - terminal to the MAIN - terminal. Connected the 100A Accessory Fuse Block power cable to...
  12. K

    Can I charge my caravan battery from my car alternator with a DC to DC while idling?

    Can I charge my caravan battery from my car alternator with a DC to DC while idling?
  13. B

    UK Advice needed on narrow boat battery charging circuits please.

    I've been asked by a keen DIYer friend to to advise on how to wire his boat batteries when he has three potential inputs. 1. Shore mains feed 2. Boat engine 3. Two solar panels. I've drawn what I think would work but it's not my field, so advice would be appreciated. I've advised him to get a...
  14. X

    Bad starter motor or bad battery or something else? Help!

    Hello I have issues starting my car after having the key in the accessory position for about an hour or so. Radio off. The first crank of the starter becomes very slow and almost doesn't crank. I hooked a meter inline with the battery, there's 2.2 amps being used when the key is in the...
  15. D

    Wiring a light and a battery pack, basic questions

    Hello Complete lack of electrical knowledge here. I sew actually, making a costume right now that I need a little light for. So my question is this: Is the sequance of "battery pack -> negative wire coming out of the battery pack -> wire nut -> negative wire coming out of the light -> light ->...
  16. N

    Battery and Inverter installation

    Hi folks, I have recently had a 5kW Solis inverter and 15kW/hr of batteries installed. Everything is working fine, but I have some concerns about the quality of the install: I wasn't given any documentation, so no "part P" documentation. Around three metres of new meter tails were added -...
  17. B

    DIY: Kobalt 18v drill battery charger blinks red

    I place the battery on the charger and it is green for about 10 seconds, then flashes red. I placed the same battery on my kobalt 18-20v universal battery charger and it charges to completion. Anyone have any ideas on how to service this charger……IT’S NOT THE BATTERY(s). Any ideas? Thank you.
  18. subiram

    Self test emergency

    I tested a self test emergency lighting with three gears .While testing 2 of the gear doesn't passed 3 hour test but 1 Did Wit the same battery ?Why?
  19. J

    Car battery losing its charge

    Good afternoon, I have a 2 year old car battery (AGM 760 CCA) in a 2022 Hyundai that constantly "seems" to lose its charge. I'll check the battery during the day and, as an example, it will show 40% charge (12.2 volts). I put the trickle charger on it, and within about 15-20 minutes, the...
  20. A

    Recommendation for series connected lead acid battery

    I will be putting together 2 x 12v lead acid battery connected in series (24v basically) backup power for Internet connectivity (routers/wifi etc) Looking for recommendation on best way to keep these battery charged for a series connected battery. There's a lot of 12v battery chargers out...
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