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Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

  • Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

lead acid

  1. P

    Lithium Battery Low Voltage Failsafe.

    This is a project I’ve recently started working on. I’m trying to setup a LiFePo4 12V battery replacement for a normal lead acid car battery. Please note, this is NOT for an electric car, its for a normal Internal Combustion Engine Vehicle. I just want to replace the Lead Acid Battery with a...
  2. Mosaic

    Desulfator Engine, Heavy duty, DIY, Overnight results.

    Hi all: I'm starting a Hackaday project to open source my proven desulfator engine. This is a pulse charge engine for batteries outside the vehicle as it delivers 250W RMS capability to the battery with up to 800A pulses...
  3. Mosaic

    Helping others & crowdfunding

    Hi All: I've been on ETO a while and learned a lot. Now I've turned my attention (over 3 years) to a serious problem in my neck of the woods and the general developing world. 'Backyard lead battery smelting' and the toxic outcomes. In short I've built and validated a solution that works...
  4. S

    older version of CTEK MXS 5.0 lead acid charger modification help

    Hello, I have a first generation of CTEK MXS 5.0 lead acid charger. My charger does not have RECOND mode for small bateries. Differences (see attached voltage/curent tables from manuals): Questions: 1. Is there any way to limit the current to 0.3A on my charger that gives 1.5A in RECOND mode...

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