battery

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  1. B

    Auto - 6 volt with a 12 volt battery

    Is it possible to have a 12volt battery, have it reduced to 6 volt to be compatible with a 6 volt system and still be able to maintain the 12volt battery by way of an inverter or something?
  2. C

    Looking advice on fixing laserlevel battery

    Hello, first time poster. I am here looking advice on how to connect my batteries in my laser level. I dropped it and it stopped working. Opened it up and the attachments to each battery have broken. I tried to.solder it but it doesn't seem to have taken to it..any tips or advice on how to join...
  3. E

    Simple Solar Powered Pump w/ Rechargeable Battery

    Hi Everyone, My aim is to build a simple solar powered pump with a rechargeable battery to water plants. The idea is to use a 6V 1W Solar Panel connected to a TP4056 (protected) to charge a 18650 Lithium Ion Battery. On the output is an MT3608 2A Boost Converter to step up the voltage to a...
  4. N

    Motion triggered battery powered dimmable COB LED light

    My view on life, in any field, is not to produce more but to consume less. Everybody told me this is a very eccentric weird mentality. Perhaps they are right. Nevertheless I have to build my project to make a highly efficient, extremely low drain, motion triggered 12V battery powered dimmable...
    • NiculaeGeorge
    • Thread
    • battery dimmable dimmer hc-sr501 led led light light motion powered sensor sgl8022w
    • Replies: 12
    • Forum: Lighting Forum
  5. F

    Fluke 199C

    Hi, I'm facing a problem with my FLUKE 199C oscilloscope battery which becomes dead very often and the oscilloscope will not turn on anymore even when the power adapter is connected. Is there any way to make it run on the power adapter regardless of the battery condition.
  6. D

    E39 530i touring - Nav fuse stray voltage on earth side - battery drain

    I have recently traced what I think is probably causing my battery drain to fuse 56 in the boot of my touring which is one of the navigation fuses. I thought could just pull the fuse to stop the drain as I never use the sat nav anyway but its had some other consequences. When I pull the fuse...
  7. S

    Electrolux Rapido 7.2 V battery pack and motor replacement

    Dear experts, I need your kind help for repair my vacuum cleaner, Electrolux ZB 4106 The motor run at very low rpm and I’ve cleaned everything before dismount it. The machine it’s 8 years old so I think that some maintenance is needed Could you let me know if this battery pack can be...
  8. S

    Do I need an inline fuse between my alternator and battery isolator?

    I purchased a 95 amp battery isolator and my alternator pushes 95 amps but I'm assuming that it may spike above that occasionally. Should I put a fuse between the two? I am only aware of 100 amp maxi fuses would that save the isolator for damage or do I need to purchase a battery isolator rated...
  9. I

    Dual Battery set up and powering lights

    Hello All, My Daughter is an apprentice carpenter and we have fit her van out with insulation, covered the walls with painted MDF and made some storage boxes, that she can put a mattress on for camping. We have run 240v LED string lights in the roof panel and now want to power those lights and...
  10. M

    Solax x1 ac and battery

    Hi, ive got an existing solar array of 2.5kw with a solis inverter, i can buy a solax x1 ac charge controller and triple power battery 4.5kwh with bms for 2k My question is how does my existing solis inverter connect to a solax x1 inverter ? and also do i even need my original solis...
  11. G

    can anyone tell me what this crimp connector is called for caravan battery

    can anyone tell me what the four crimp connectors are called, (the lower wire in the picture) as I need to get new ones for upper - just need to know what to search for, they are for a approx 10mm cblestranded wire to enable both cables to fit in a caravan battery connector-as you can see they...
    • gz1234
    • Thread
    • anyone battery cables called caravan connector crimp fit get new wire
    • Replies: 0
    • Forum: DIY Electrical Advice
  12. G

    where is battery located please, emergency lighting

    Hello, this emergency light does not come on when power is cut. There is a red light on when house has power, indicating power to the unit. The bulb works fine. I thought the battery may need changed. It has not been changed for a long time. How ever I can't see where the battery is. Is it...
    • gordon30
    • Thread
    • battery emergency emergency lighting lighting please where
    • Replies: 10
    • Forum: Lighting Forum
  13. E

    Wiring Reverse Camera on with key powered by battery

    I'm asking for assistance about how i might be able to make this happen. I'm thinking a relay would do this but i have no idea which relay. I'm looking to have a constant on rear camera that i can access from my head unit any time while the vehicle is on. I do not want to use with the wiring...
  14. A

    how battery current flow

    Hi I know that batteries get constant voltage and variable current , but why (for ex. cell battery) has 5v rating as standard but not 1a std , i mean why the amp change (500mA , 1A , 2A ...) if voltage is always the same ?? (I didn't get that in simulation !)
  15. HappyHippyDad

    Best price/place for a makita 5aH battery.

    Hope you're all having a good weekend! :) I am having a lazy day playing in front of the laptop nursing a bruised rib from boxing :anguished:?, so... I'm going to treat myself to a new makita 5aH battery as all I have are 3aH. Best price I can find is £49.99 + £4.98 (all inc VAT) from...
  16. T

    Unidentified issue

    Hi Everyone, I am struggling with a problem for what i cannot find any solution. I have an Opel Astra H 1.3 CDTI form 2008 and started to have some issues for a while. The situation is the following: My battery died on a morning, it was strange since the battery is only 3 months old. I took it...
  17. T

    Seeking Dewalt Battery HOUSING 20v

    It appears that this may be a UK only forum, but I will at least ask around if that is allowed. I am in search of the small DeWalt 20v battery housing. I have contacted DeWalt themselves, but they do not offer it for sale. Is there anyone that knows where I can find a nice, pristine housing or two?
  18. M

    Looking for a charger for 4S configuration 18650 battery

    Hello, I have 120 NCR18650B batteries which I'll be using to build a 4S configuration battery. I'm looking for recommendations on a charger from aliexpress/ebay, I don't really need a fast charger so I don't really mind if it would take very long to charge. As far as I understand I simply need a...
  19. S

    offgrid electrical connection using generators and battery to run a house

    I have a chance that I might be able to purchase a rural site for my home(self-build). The problem is my limited budget and timeline( full house completion) does not allow for an over 2k euro connection for a basic electrical connection to run a household for parents and kids aged 2,6,8 I...
  20. P

    What would experienced electrician do in such situation:

    There is a need to power a battery charger, which requires 3 ph 480V 20A circuit. There is no 480V available at this location, however there's an electrical panel 120/240V where 3 ph 240V is available. Loads in that panel are connected by 100A breaker (installed inside the panel). There was a...
    • Papageno
    • Thread
    • battery battery charger charger electrical installation electrician experienced screwfix situation
    • Replies: 3
    • Forum: UK Electrical Forum

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