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battery

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  1. T

    2kW Grid tied inverter for battery storage in house

    Hi, I have bought a 2kW grid tied inverter for putting energy from my solar battery back onto the mains. Will i need a 6mA/30mA RCD just upstream of the GT inverter?
  2. T

    Battery 20v Lithium-ion not holding charge

    1. I have an Aldi Cordless Hedge Trimmer, powered by a 20 V Lithium-Ion battery. It is manifestly under-powered - jams frequently - and their tec support cannot offer any advice ("At that price what do you expect?"!!) I see however that you can run the machine with an optional 40 V battery...
  3. kirian

    Keep Bluetti battery device always connected to 12v

    Hi, TL;DR Will I short the car battery life by having a external battery always connected to the 12v port? I'm planning to buy a Bluetti battery (500wh) for my camper and connect to it a mini fridge, so to keep battery level as high as possible, I assume the best option should have it always...
  4. L

    Battery tools.

    Just out of interest do people use their own battery gear (combi drill/ impact/circular saw ) ect.. if you are employed( PAYE) or does the company supply them for you to use. Obviously hand tools and such have always been a requirement for employees to have them selves but just wondered if its...
  5. H

    Could backup battery have damaged my refrigerator?

    I have been working with a great company to install a solar system in my house. The system has a 10kWh backup battery system that can provide power to a subset of our circuits in the event of a power outage. The company sent a technician to do the final check of the battery system. I am not...
  6. F

    Iota battery charger/ conditioner question

    These are installed in firetrucks. They are Iota DLS-45 battery charger/ conditioners. https://www.acuitybrands.com/products/detail/1185685/iota/dls-45a-converter-and-charger/45-amp-acdc-power-converter-and-battery-charger-for-dc-load-operation-and-12v-battery-charging I need a way to install...
  7. N

    Dynamo Draining Battery.

    I would be extremely grateful if someone would be able to tell me how to rectify this fault. I have a 1940's 6 volt, negative earth, motorcycle with no lights, or fancy electronics, and the fully charged new battery will go completely flat after 30 minutes with the engine running. The red...
  8. L

    Battery repair

    A 24 volt Bosch (GBH) battery repair (which cost 90 euro) was returned to the company who "repaired" it 2 days later as it simply went flat after drilling 2 holes and refused to recharge. Have several that require repair and see the only viable option being to do it myself. Anyone here repaired...
  9. G

    I'm looking for advice on using a leisure battery for a catering van.

    Hello, I'm looking for advice on which battery to use to power my catering van. I don't want to use generators anymore as I want to be greener. I have a list of all equipment. Can anyone help? Thanks
  10. J

    How do I remove this 6v ride-on battery

    I bought electric scooters for my kids but left them in the back of the garage for over a year - totally forgot about them - anyway I charged them up and they lasted about 5mins. I assume the batteries need replacing? But they seem to be soldered in. I checked online to revive lead acid...
  11. F

    Please check wiring for Battery backup light

    Hi. Can someone let me know if this is right? I have a Led light which has emergency battery backup. Trying to figure out if what I have worked out is right. Top A in the picture goes to the EM Basic Emergency module which has Lin written on it which says is switched line in the manual. Blue...
  12. G

    Can 2 separate circuits be used on an emergency light,?

    Can 2 separate circuits be used for an emergency light, one for the switch leg and the other for the constant power for the battery, or does it have to be the same circuit?
  13. D

    Lithium ion Rechargeable batteries tests ( AA, battery packs etc)

    Hello all, I am a QA manager located in the Netherlands and we conduct on site product inspections using a third party company in China. Some of our products use rechargeable batteries. I am looking to identify what kinds of tests our third party inspection company in china could perform on...
  14. J

    Optima xm6 prob with control panel battery fuse.

    Hello. I have an optima xm6 alarm system. Could someone tell me the best and safest way to check a battery fuse on the board. Do i need to turn off the mains to the control panel or not as the board has an output of only 12v dc being stepped down by the transformer. Would it then be ok to...
  15. D

    Deep cycle marine battery

    I've purchased a new deep cycle marine battery I'm running a dual setup on my boat After ive connected everything, it's all working fine the next time I go to start the outboard the starting battery is completely dead "dropped cell" I returned the battery and got a new one and the exact...
  16. R

    Battery Tester recommendations?

    I’m looking to buy a Battery Tester for Intruder and Fire Alarms. Can anyone recommend one or is selling one?
  17. 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...
  18. 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...
  19. 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...
  20. 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...

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