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.
A power supply usually has excellent filtering to reduce hum and is regulated so its output voltage does not change when the load current changes.
There are many different types of re-chargeable batteries. Maybe you are talking about a charger for a lead-acid battery. Some do not have any filtering. Most do not have their voltage regulated.
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