4 Digit Ampere Hour Meter is functional as an electronic device that is used to measure the total electric charge. This is the device that is used for electroplating and battery charging purposes. It can control the rectifier and features a 4-digit display for exhibiting the amount of current and charge, flowing in the circuit. 4 Digit Ampere Hour Meter is simple to use and allow for the attachment of additional ammeters in the circuit. This is suited for the battery charging as well as discharging applications.