battery

  1. C

    12V truck battery to 2000W Power Inverter to 1700w Microwave

    Hello, So I purchased a Novopal 2000w/4000w(Peak) Pure Sine Wave Inverter DC 12V to 110V/120V. I purchased this so I can hook it up directly to my truck's 12 volt battery and have it positioned in the flatbed of my truck.. The goal is to have it power my microwave in my flatbed at drop sites. I...
  2. LouiseSJPP

    Solar and battery bank: how to intelligently limit draw from incoming supply?

    We have a 5.5kW incoming supply, which cannot practicably be upgraded due to our remote location in the mountains. Can I use a PV array and battery bank to augment this supply? We don't need lots of power, but with a 1.5kW water heater, a 2kW kettle and the odd 3kW power tool, we keep tripping...
  3. C

    Car battery to Power inverter set up

    So I'm looking to connect my car's battery directly to a Pure Sine Wave 2000w power inverter So I can use it on job sites etc to power a microwave of above 1700 watts. My question would be, Do I need to have a one-way fuse in my wire setup directly from the battery to the inverter? Or can it be...
  4. J

    Christmas lights battery ..change to plug

    have a set of lights that i would like to use plug over battery. have a few plugs and old sets with cables could Frankenstein together if doable. this is the set if anyone has any suggestions on how/what min transformer plug would be required. its a 20m set and i have another 20m set so...
  5. Agbei Francis

    Can a car battery charge faster?

    Can a car battery charge faster
  6. A

    please help me with my battery problem

    hello guys i have a (3-6v dc motor), (DC Motor PWM Speed Controller 3V 6V 12V 24V 35V), (3.7v 1200mah rechargeable battery) and a (Charging / discharging circuit MH-CD42 for batteries with 5V output). Everything looks to be working fine it spins and everything but when i put force on the motors...
  7. S

    LEDs off leisure battery in a van

    Hi everyone, On my Hiace the roof LEDs are triggered by the side door that breaks the ground, not the positive wire. I want to also have an option to constantly power them off my Bluetti battery, i.e. when the key is not in. I'll have a 3-position rocker switch to choose between 3 modes: 1...
  8. J

    freecurve stair lift changed battery but not working

    stair lift was off its charging section at top of stairlift track for some time rarly used. and upon checking batteries were dead. could not move back to charging section. put in two new batteries then with buttons managed to get it up to top of track, however it went s little too far and...
  9. M

    How to use a Lipo battery to power a carcam

    Hello I am hoping someone can point me in the right direction. I have 4 x new Lipo rechargeable batteries 2900mAh 11.1v (32Wh) 35C constant and 65c discharge bursts (?? pass!). I would like to use them to power a car cam (not being used for a car) which has a micro power connection (like a USB...
  10. chris101

    Solar PV System with or without a battery?

    Greetings, everyone, After dedicating over a month to researching Solar PV systems, I'm nearly ready to make a decision. I owe my progress to some wonderful individuals who generously shared their time and solar expertise with me. Currently, my inclination is towards a 7kWh optimized system...
  11. S

    Battery Retrofit of storage battery to existing Solar PV (worried about affect on FIT)

    I currently have a 3Kwh solar PV system which was installed over 12 years ago and getting a very good FIT payment and I don't want to lose it! I'm thinking about having a 10Kw battery installed, the idea being that I can divert excess generation to the battery and also have the facility to top...
  12. S

    Suitable RCBO for EESS install

    Hi Doing my first Inverter and Battery install on a domestic property having just completed my EESS course with LCL. Question is how do I install a bi directional RCD/RCBO at the distribution board to supply and feed back power from the the inverter? I think I need an RCBO to the standard...
  13. A

    Safely disconnect battery string

    Hi All, I'm moving into telecoms and looking for some help on disconnecting battery strings. I come from a domestic background so have not got involved in battery strings before as I never touched solar. My questions is thus: How do you safely disconnect a battery string that is housed in a...
  14. littlespark

    Question for PV Battery experts

    Was having a look at our gas and electric bills today, and its getting depressing. I would like to keep using our appliances as and when we want... and apart from working out how to shut off the hot tub overnight.. i've not made any other changes. (will be confirming efficiency by using an...
  15. L

    Car radio battery wire zero voltage ! but original car radio is working when connected. Why?!

    Hi everyone I am new in this forum and this is my first thread. Car model: Toyota echo 2004 sedan. I used a multimeter to test the car radio battery wire ( blue/yellow) when it was disconnected from the car radio, its reading was 0v. ( as shown in photo 1 ) before and after ignition, isn't it...
  16. G

    Car battery protection w/rare car use

    Hi, I rarely (once a week or once in two weeks) use my vehicle and the car battery goes low, not enough to start. If I connect a 1Amp 12Volt charger to the battery just to provide power to whatever is slowly draining the battery, will it help? will it damage the battery? will it cause any...
  17. S

    300w power from auxiliary battery

    Looking for advice for how much power I can reliably get from a dual battery system please (note it will be installed by a professional, I am just trying to work out if it’s logistically possible to get the power I need) I have a Zero Breeze portable AC unit which I would like to run off an...
  18. HnyBear

    Battery Powered Led Strip Project - Need Help!

    I am trying to put some led light strips under the fenders of my fat tire E-bike. I’ve been looking at led light strips on Amazon, AliExpress and Alibaba for weeks. I’ve decided on, and please correct me if I’m wrong, SMD 5050 WS2812B 144 led per meter strips. I need 1 meter per fender. Many...
  19. R

    Outdoor Housing of Battery and Inverter - advice

    I have run out of viable space (that Mrs will let me use) to house my inverter and battery for when my solar arrives next month (GivEnergy). So have been looking at alternatives. Originally looked at stainless steel and GRP kiosks but that was going to cost me nearly £1500. So now i am...
  20. R

    New solar installation - cable sizing and no cables for battery installation...

    So, I already have solar (an older FITS installation) and it's been particularly successful so I want to extend this. I'd like to do two things at this point. 1) Add more panels in a couple of locations. 2) Add battery storage to provide some backup (power regularly drops for us) but mainly to...
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