batteries

  1. R

    Lighting Circuit Zs

    I must be confused about some wording, Light circuit R1+R2 is 1.84 Ze measured = 0.28 So if I do Ze +(R1+R2) I get 2.06 Maximum Zs allowed is 6.14 actual measured Zs is 0.88 This measured Zs is much lower than the max value, I know higher is not good but lower Zs leads to any problems ??
    • rigby
    • Thread
    • batteries circuit earth electricians' talk lighting lighting circuit measured you're you've
    • Replies: 17
    • Forum: Lighting Forum
  2. E

    Anyone using batteries or storage systems

    I have seen that germans are working on storage energy to optimize self power consumption. Does anyone of you have some experience?
  3. W

    P-touch/brother labelling machine upgrading

    my other p-touch standard labeller has finally given up the ghost and i was looking of upgrading to the PT - 7500VP electricians label printer, looks really good, is it worth the ££, anyone got one, or one of the others?
    • Welchyboy
    • Thread
    • batteries battery bell electricians' talk label machine
    • Replies: 13
    • Forum: UK Electrical Forum
  4. D

    Maintenance free car batteries indoors

    This might not be the right place to ask really... but here goes. As I understand it, vented car batteries give off hydrogen when charging, and a nasty acid mist. I.e. DO NOT CHARGE INDOORS! Looking at what's currently available, I see items labelled as "maintenance-free", which I understand...
    • dennis123123
    • Thread
    • batteries car electricians' talk free maintenance
    • Replies: 6
    • Forum: UK Electrical Forum
  5. R

    18V de walt lith ion battery question?

    Hi guys I've got 2 de Walt batteries as explained in the title. One of them is older than the other (3 years) It will not charge. When I put in charger the red light flashes faster than normal and doesn't charge. Anyone experienced this before? Is the battery stuffed? I would have thought the...
  6. T

    Battery.. invertor for a fan.... need help..?

    Hi, I want to power a table fan (50 watts) using a battery. In India the input power to appliances (fan in this case) is 220 volts / 50 Hz. so can i power the fan with TWO 6 volts 4.5 AH sealed lead acid battery?? Can u please tell me how to do the power calculations? i want my fan to run for...
    • Tharun Kumar S
    • Thread
    • batteries battery electricians' talk fan help need help roman times
    • Replies: 3
    • Forum: UK Electrical Forum
  7. Jay Sparks

    When do you change your batteries??????

    Hi Guys & Gals, Just a quick question for you all, nowt too challenging. A few years ago I used to work for a company just doing I & T all day every day. Up until I started with them I used a "Metrel Easi test" mft. Now,for what ever reason, they wanted me to use ther "Megger 1552" mft. It...
  8. i=p/u

    36v drill

    im after new drill , thinking 36v one for when on site as all my own tools are 230v. any suggestions???? hopefully the boss will buy for me and let me pay it up, so a good one. maybe pannasonic???
    • i=p/u
    • Thread
    • batteries bosch drill electricians' talk hammer makita panasonic
    • Replies: 6
    • Forum: UK Electrical Forum
  9. S

    off grid installations

    We have nothing booked in at the moment, so using the time to research off grid inverters as I have been talking to someone who wants to be 100% self sufficient for all energy consumption. Has anyone planned anything like this before and can you offer any advice on how to scope out such a project??
  10. D

    Smoke Alarm Hell!

    Hi all! Wondering if anyone can save us from our smoke alarm nightmare? We have a mains ionising smoke alarm, I'm not sure what the manufacturer or model is as there seems to be no branding on the alarm. The issue is that the alarm is intermittenly beeping, and intermitently means once an hour...
  11. S

    Ryobi one plus 18 volt stuff. Yorkshire.

    Ryobi one plus 18v cordless kit as below. Hammer drill Angle drill Rotary Cutter Radio Torch 3 batteries 1 charger big ryobi carrybag 22 inch open top reinforced one. All in a nice matching blue colour. It has all had some use, but they are still in top condition and work fine, no defects...
    • SirKit Breaker
    • Thread
    • batteries cutter drill electricians yorkshire electricians' talk rotary stuff volt volts yorkshire
    • Replies: 1
    • Forum: For Sale and Wanted Forum
  12. M

    Dewalt combi drill batteries

    Hi all, Does anyone know if you can put Li-ion batteries in a dewalt 18v combi drill that was sold when nimh batteries were all the rage? Mine have finally died on me and so every few holes kills the good battery and the other doesn't charge. Do the li-ion batteries fit? Obviously I would need...
  13. H

    multiple 3.7 v li-ion battery join question please.

    Hello,should be a simple question i think, my purpose is to elongate the running time of lets say a phone, it runs on 3.7v li.ion battery but it currently only gives it 5 hours running time max. my question is, is it possible to connect multiple 3.7v batteries together to achieve a longer...
    • huligan
    • Thread
    • batteries battery electricians' talk multiple phone please question running together
    • Replies: 1
    • Forum: UK Electrical Forum
  14. I

    Battery bank question

    Hi there, my local solar installer tells me that I should not have more than 3 strings connected in parallel for my 24v battery bank.... is this correct? what could be the problem if I have series of 2 batteries x 6 strings in parallel? thanks.
  15. M

    Batteries for MFT

    Who is using what for their MFT? I have a Fluke 1652B that uses 6 AA batteries, in that I have been using Duracell ultra AA's. What I want to know is, Are the high capacity rechargeable AA's (2850mAh) any good in a MFT? Do any of you have the fluke rechargeable pack for the 165* MFT's? If...
  16. J

    18v makita battery

    has any1 used the replica lithuim batterys for makita? i hav 5 original batterys which 2 are now dead flashing red and green:( and hav seen replicas for £55 on the web. was just wondering if any gd or best to get orginals.
  17. S

    MAKITA 18V Li-on batteries

    Can anyone recommend somewhere reputable to buy a makita 18v Li-ion battery for a good price? £140 in screxfix!!
  18. S

    Emergency lights and plugging in batteries

    Can you see any problems in connecting the batteries in emergency lights 3 or 4 days prior to switching on the power supply? Thanks
    • Superspark23
    • Thread
    • aus batteries electricians' talk emergency lighting lights
    • Replies: 2
    • Forum: Australia
  19. L

    Alphatek Instaltest 61557 continuity fault

    Evening guys, new member here and first post. Have a 61557 and the continuity setting seems kaput. Readings obtained are >1999ohms with the leads closed. Its definitely not the leads or the clips/probes because I bought new and the fault is also present with the tip commnder. I think its either...
  20. E

    Protool PDC18 in systainer 3 batteries - full kit

    Protool 18v combi drill with 3x2.6ah batteries, centrotec chuch, 3 jaw 13mm chuck, 90 degree angle attachment and torch in a T-Loc systainer. Cost over £650 with extra battery last year and comes with 2 years warranty remaining. The best drill you can buy. £380
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