batteries | Page 7

batteries

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  1. S

    Bosch 10.8 batteries

    Does anyone else have trouble with the plastic retaining clips breaking off? I have real trouble with the multitool. I think the vibrations nacker them. Getting real fed up replacing good condition batteries.
  2. infinity

    NEDAP inverter with battery backup

    Installed our first nedap system today, it has 4x12V 220Ah batteries for self use and emergency back up, its actually a very well made system, it can use the generated power to charge the batteries then discharge them at night supplying the home with power through the night! Seems to work very...
  3. 9

    Max Power of a Photovoltaic System Batteries

    Hello everyone! I have a quick question for you: someone could please tell me which is the average maximum power that a battery in a PV plant can "store"? In other words, which is the maximum SoC the generally I can achieve? Thanks in advice, AP
  4. VoltzElectrical

    Megger 1553 error, what's the problem?

    Testing a lighting circuit today in a house. R1 R2 fluctuating readings, so tighten up earths in ceiling rose terminal and get a steady 0.36 ohms. Power up and on no trip setting (RCBO) the meter gets half way through the test then bleeps and says ERR. I'm at a loss now, any ideas people...
  5. H

    High efficiency PV panel source (one-off qty)

    I'm doing an off-grid install on a narrowboat requiring a small no. of panels (e.g. 5 x 100W or 2 to 3 larger panels - aiming for 400Wp to 600Wp with a 450Ah battery bank). Solar payback for this setup is high because its solar or diesel generation only (rough estimate 5p / Ah at 12v). So I...
  6. C

    wireless burglar alarm

    does anyone have any recommendations for a decent wireless full system, also roughly how long do the batteries last in the pir's and door contacts, i don't bother with wireless normally but customer insisting he doesn't want wired cheers
  7. P

    How do I charge 2 12V leisure batteries connected in series from my starter battery?

    Hello electrical sparkly people! Can anyone tell me I can charge two 12V leisure batteries from my starter battery? The leisure batteries are connected in series to charge a 24V 3000W (6000W peak) inverter. To confuse things, I also have two 12V batteries which came with my Ford Transit Jumbo...
  8. B

    Testing emergency light inverter

    Hi all, Would anyone know how I can test the emergency light inverter in a fitting as the batteries in the fittings are not charging. The fittings are about 5yrs old, but as per usual, the installer never put the installation date on the battery pack. I'm not too sure if my thinking of...
  9. L

    Battery expert please?? advice needed

    Hi All, looking for some advice on car battery's. We have opened a clay pigeon shooting range at our farm, and my brother is paranoid about how long we can use these batteries before they start to loose the power to work the traps. they are just standard car batteries (new) some 40ah and...
  10. D

    PV Storage System - "Grid Buddy" ( Battery backup & Grid failures )

    Just received a flyer from Renewable Solutions in a brown envelope; informing me about that unique storage systen for PV Systems - anybody have any experience of these guys ?? Home | Renewable Solutions UK Ltd. | Solar Panels | Wind Turbines | Biomass | Heat Pumps | Solar Heating
  11. C

    A solar charging system for a big garage

    Hi, I have been researching a solar charging system for a big garage where I would like to use lights, power tools and a dehumidifier. I am planning the following and would be interested in your opinions: 6 X Suntech 250W panels. Total 1500W. Output per day approx 4500WattHours 2 X Varta...
  12. G

    New Zealand crap batterys..

    was fitting some smokes n heats the other day.. here`s the batterys they came with....golden power...lol.. golden power....golden shower more like....caus their a rite shower of sh... :biggrin:
  13. T

    calculate 12v batteries needed to power a 230v fridge.

    I am wanting to experiment with solar power at home. I want to try and power my fridge freezer as it is the only thing on at home all day. Can you advise what kit i need.
  14. chrish_1977

    megger 1553

    Did a test today and while carrying out the testing, my megger had a zs on ground floor sockets as 101 ohms, end to ends were what I was expecting for the length 0.24 r1 0.25 rn, ze 0.13, tested all other circuits ok readings were good, all except g/f sockets, took everything off and found a few...
  15. C

    Can anyone help with 12v battery charging here and chargers?

    HI, I am after some help/info regarding charging a battery - Just a standard 12v 22ah Golf buggy battery. Its a vrla gel type I believe. I would like to know if I can use a very basic car battery charger to charge this battery from time to time. I keep reading I should use a 3 stage automatic...
  16. M

    batteries?

    I am about to replace the battery packs within an emergency light fitting, part no 4DH4T4-DL, 5ft double florescent IP rated lights. Does anyone know what size this, and a good supplier.
  17. S

    Intruder alarms

    Just wondered what the pro's and con's are of wireless and hard wired alarm systems. Do some insurances state alarms must be hard wired?
  18. S

    Whats the deal with drills now, any ideas?

    Evening all, Been having a look at cordless drills for a while now. Im only starting out, so this will be my first :grin:. Im probably going to go with Makita(i think)... but the thing is... The new Li-ion ranges are out across Bosch, De-walt, Hilti etc etc, then there are the old Ni-Cd's...
  19. B

    Buying New Hand Drill Next Week.

    This is the one drill I have had my eye on for my budget, I most likely wont be doing anything heavy and this one covers all the bases and any time I have used Dewalt they felt good all round. DeWalt DCD785L1GP-GB 18V XR 3.0Ah Li-Ion Combi Drill | Screwfix.com at £150 its the max of what I want...
  20. B

    wireless Alarms

    Hi All, After a little advice / help, I am on the look out for a wireless system to isstall. Requirements are - Key pad must be small and descreet. I dont normally fit wireless ones only wired on the rare accasion and allways fit Veritas ones when i do. Fit the control panel away in a cuboard...

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