Built-in Battery Monitor
The ideal solution when the product is part of a hybrid system (AC input, inverter/chargers, storage battery, and alternative energy). The built-in battery monitor can be set to open and close the relay.
start at a preset % discharge level
start (with a preset delay) at a preset battery voltage
start (with a preset delay) at a preset load level
stop at a preset battery voltage
stop (with a preset delay) after the bulk charge phase has been completed
stop (with a preset delay) at a preset load level