Thanks to reader Tim Asquith for sharing this project to enable correct charging of batteries: he has modified a Timeguard TG85 Dawn to Dusk Sensor to a 1 to 24 hour NiCad battery charger timer ...

Available in both battery- and AC-powered options, they come in a range of styles, and have features like timers and dusk-to-dawn sensors for effortless operation. Before you start shopping for ...