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MPPT solar charge controller

EG4 MPPT 100-48HV: specs and datasheet

A 48 V MPPT charge controller with a 500 VDC maximum PV open-circuit voltage and a 120–450 VDC operating window. It charges at 5–100 A (80 A by default), accepts up to 5,500 W of array power, reaches 94% maximum efficiency and weighs 17.8 lbs.

Battery
48 VDC nominal
Charge
5–100 A (default 80 A)
Solar input
5,500 W

Datasheet checked Sep 30, 2026

About the MPPT 100-48HV

A 48 V MPPT charge controller with a 500 VDC maximum PV open-circuit voltage and a 120–450 VDC operating window. It charges at 5–100 A (80 A by default), accepts up to 5,500 W of array power, reaches 94% maximum efficiency and weighs 17.8 lbs.

In one line A charger or charge controller moves energy into a battery bank from the grid, a generator or the sun.

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Specifications

Max PV array open-circuit voltage
500 VDC
PV array MPPT operating voltage range
120–450 VDC
Max PV string current
22 A
Max usable PV array power
5,500 W
Battery voltage
48 VDC nominal
Charge current
5–100 A (default 80 A)
Max efficiency
94%
Net weight
17.8 lbs (8.1 kg)

Each value is the datasheet line as printed (hover or long-press a value to see that line). A missing row means the datasheet does not list it. Specs change with new revisions: check the current datasheet (linked above) before you buy.

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