Primax · Inverters · Off-grid MPPT
Primax Galaxy PV4000+ Off-Grid MPPT Solar Inverter
Model GALAXY PV4000+
Primax Galaxy PV4000+ is a 3000 VA / 3000 W pure sine wave off-grid MPPT solar inverter on a 24 VDC battery bus, taking up to 4000 W of PV across a 60-400 VDC MPP window. It charges at up to 100 A from solar, carries a reserved BMS communication port, battery equalization to extend cycle life, a built-in anti-dust kit and an optional WiFi module for mobile monitoring.
Supplied and installed by Solar Works Pakistan across Punjab. For current pricing and availability, WhatsApp +92 336 666 4321.

Today's price and stock
Prices change every week. Tap below, add the quantity and your city, and we reply on WhatsApp with today's price and availability.
WhatsApp for today's priceKey features
- Pure sine wave solar inverter
- Wide PV input voltage range 30 VDC ~ 60 VDC with battery
- Reserved communication port for BMS
- Maximum charging current 100 A
- WiFi module for mobile monitoring (Android / iOS app available)
- Battery independent design
- Battery equalization function to optimise battery performance and extend lifecycle
- Built-in anti-dust kit
- Maximum AC output 3000 W
Rating and input
| Rated power | 3000 VA / 3000 W |
|---|---|
| Voltage | 230 VAC |
| Selectable voltage range | 170-280 VAC (for personal computers) · 90-280 VAC (for home appliances) |
| Frequency range | 50 Hz / 60 Hz (auto sensing) |
Output
| AC voltage regulation (battery mode) | 230 VAC ± 5% |
|---|---|
| Surge power | 6000 VA |
| Efficiency (peak) | 93% |
| Transfer time | 10 ms (for personal computers) · 20 ms (for home appliances) |
| Waveform | Pure sine wave |
Battery
| Battery voltage | 24 VDC |
|---|---|
| Floating charge voltage | 27 VDC |
| Overcharge protection | 32 VDC |
Solar charger and AC charger
| Solar charger type | MPPT |
|---|---|
| Maximum PV array power | 4000 W |
| MPP range @ operating voltage | 60 ~ 400 VDC |
| Maximum PV array open circuit voltage | 450 VDC |
| Maximum solar charge current | 100 A |
| Maximum AC charge current | 80 A |
| Maximum charge current | 100 A |
Physical and operating environment
| Dimension (D × W × H) | 110 × 288 × 390 mm |
|---|---|
| Net weight | 7.2 kg |
| Communication interface | RS232 / RS485 |
| Humidity | 5% to 95% relative humidity (non-condensing) |
| Operating temperature | -10 °C to 50 °C |
| Storage temperature | -15 °C to 60 °C |
Datasheet and related products
- Primax error codes explained
- Primax Galaxy PV4000+ Off-Grid MPPT Solar Inverter datasheet (PDF)
- All Primax datasheets
- Primax Galaxy Dual PV7500+ Max Off-Grid MPPT Solar Inverter
- Primax Galaxy Dual PV11000+ Pro Off-Grid MPPT Solar Inverter
- Primax Galaxy Dual PV12000+ Max Off-Grid MPPT Solar Inverter
- All inverters