| This article shows a simple circuit for slow charging while preventing any risk of overloading the battery. The circuit consists of just fou...
More about Battery (455)
| The TIRIS family of RFIDs from Texas Instruments can be found in many consumer applications ranging from vehicle security to logging maratho...
| This circuit was designed to ‘baby-sit’ SLA (sealed lead-acid or ‘gel’) batteries using freely available solar power. SLA batteries suffer f...
| This small but very effective circuit protects a lead-acid battery (12-V solar battery or car battery) against overcharging by a solar modul...
| Professional (directional) microphones often require a phantom supply of 48 V. This is fed via the signal lines to the microphone and has to...
| After buying a number of DECT telephones, we noticed that these became quite warm while charging. That surprised us, because the manufacture...
| This circuit was originally designed to power a motorcycle intercom from the vehicle supply system.
| Modern mobile electronic gadgets demand ever more portable and powerful energy storage devices. Research by battery manufacturers all over t...
| Valve circuits and radios in particular are graced by vast crowds of enthusiasts. If you want to keep your prize vintage radio as authentic...
| The use of batteries has never been greater. Batteries are becoming smaller and lighter even as they package more and more energy per unit v...