Programmable 90V 100A Voltage Amp Power Ah Combo Meter Set Threshold Automation

Combines many functions in one, Dual display
Voltage (V), Power (W)
Current (A), Ampere-hour (Ah),
Working Hours (H),
Alarm control when over/under limit (Built-in Buzzer)
Flexible On-line calibration function, calibrate Voltage and amps reading easily.
By turning External device Relay on and off, it can control external devices, such cut off Power Input
[OVP] Over Voltage protection
[LOP] Low Voltage protection
[OCP] Over Current protection
[OAH] Over Charge protection
[OPP] Over Power protection
[OFT] Over Time protection
Adopting modular design, collocate indicator lights on the panel for various working status
4 digits LED, High accuracy
Expandable with ext'l Shunt and Relay
Lowe power consumption
It can be powered by the same source being measured, No need power if source between 5-40V
Used in cars, boats, motorcycle and Testing Devices for measuring voltage and current, Ah etc.
Battery Protection, Prevent Over Discharge/Over Charge.
Timer Controller.
Used for Solar, Wind, HHO System.

DIY battery discharge device
1 × Digital Panel Meter
1 × Expand board
1 × Shunt
1 × 7 pin cable
1 × English Operation Manual