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Charging

Automatic Battery Full Cut-Off Latching Circuit with Trickle Charging

Last Updated on June 3, 2026 by Swagatam 2 Comments

In this post I will explain one useful SCR relay battery overcharge cut off circuit, which also has automatic latching and small trickle charging feature, so now when battery becomes fully charged then charger disconnects automatically, but still a tiny current keeps going into battery slowly. Main Features Main interesting thing here is the SCR […]

Filed Under: Battery Charger Circuits Tagged With: Automatic, Battery, Charging, Full, Latching, Trickle

Use this Battery for 50 Years without Charging

Last Updated on May 17, 2026 by Swagatam 4 Comments

betavolt battery

A novel battery technology, developed by Beijing-based firm Betavolt, has been introduced. It boasts an astounding 50-year lifespan without the need for maintenance or charging. With 63 radioactive isotopes contained in a module the size of a penny, this ground-breaking nuclear battery is a leader in the field of atomic energy miniaturization. https://twitter.com/Byron_Wan/status/1746801325722239367/photo/1 Advancements in […]

Filed Under: Battery Charger Circuits Tagged With: Battery, Charging, without, Years

LiFePO4 Battery Charging/Discharging Specifications, Advantages Explained

Last Updated on May 20, 2026 by Swagatam 14 Comments

LIFePO4 compressed

While Li-Ion and Lithium polymer electrolyte (LiPo) batteries possess unmatched energy density, Lithium-based batteries are costly to produce and need meticulous handling along with a cautious charging. With the advancement of nanotechnology, the manufacturing process of the cathode electrode for these batteries has seen a substantial improvement. The break through nanotechnology-based high-load LiFePO4 cells are […]

Filed Under: Battery Charger Circuits, Electronics Theory Tagged With: Advantages, Battery, Charging, Discharging, LiFePO4, Specifications

Charging Battery with Piezo Mat Circuit

Last Updated on June 30, 2026 by Swagatam 15 Comments

piezo

In this post I have explained a method to harvest free electricity from a  piezo embedded mat by walking on it, and try to investigate how this energy may be used for charging a small battery. Normally a human body carries a huge amount of energy which simply gets wasted in our regular day to […]

Filed Under: Energy from Magnets and Earth Tagged With: Battery, Charging, Piezo

Automatic Inverter Fan Switch ON while Charging and Inverting Modes

Last Updated on August 3, 2020 by Swagatam 30 Comments

In this post I have explained a simple method of automatically switching ON an inverter fan whenever the unit is operating in the charging mode or inverter mode, in order to ensure optimum cooling of the internal power devices. The idea was requested by Mr. Sudip Bepary. Circuit Objectives and Requirements I have just bought […]

Filed Under: Inverter Circuits Tagged With: Automatic, Charging, Inverter, ON, Switch, while

Lipo Battery Balance Charger for Charging of Series Connected Lipo Cells

Last Updated on May 17, 2026 by Swagatam 97 Comments

lipo2Bscan

In this post I have explained a relatively easy lipo battery balance charger circuit which is designed to continuously scan and charge the connected cells of the battery. The idea was requested by Mr. Schindler and Mr. Emil Jan Thomas Baticulon.  Charging 6 Li-Po Packs The concepts are very well written, concise and clear. Thank […]

Filed Under: Battery Charger Circuits Tagged With: Balance, Battery, Charger, Charging, Lipo, Series

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