The circuit described here is eminently suitable to indicate the capacity of a battery. We use a cheap electric clock for this. By connecting a resistor across the battery terminals, the battery is ...

Batteries and energy cells lose their capacity as they age. If a cell or battery’s capacity is too low, your equipment may also soon stop working. You can use the circuit in Figure 1 to measure a ...

Ricoh has introduced a battery protection IC for rechargeable one-cell lithium-ion and lithium polymer batteries which incorporates a two-step excess discharge current detector, used with an external ...