Programmable Digital AH meter. Ideal for battery monitoring

This meter is capable of calculating how much current(amp)is consumed in a minute or in a hour for up to 99hrs. Displays toggle voltage, current, and amp-hrs. It's designed for DC application like a battery charging system or for a solar system power output monitoring. A great tool for electric car monitoring. See EVTV for electrical car conversion with this meter installed.

Key Features of the 404AH Battery Checking System:
Alarm control for over/under limit
Programmable and expandable with ext'l DC shunt for up to 9999A
Lowe power consumption
Display V, I, amp-Hr
Specification:
Dual Alarm output (relay) J1,J2
Power: 12-32V DC
Default DC500V,5A
Max current: 9999A (an external shunt required)
Amp-Hr recording: 0.001~9999AH
Sampling: 3/s
Control Type: Relays
Relay: 3A@125VAC, 3A@14V DC
Display: Blue LED
Size: 96mm x48mm x62mm
Mount Hole: 92mm x44mm x62mm