---
title: "Easun Power ISolar SMV 1K-12 vs Easun Power ISolar SPR 1K 12V - Inverter Comparison | ComparePV"
description: "Compare Easun Power ISolar SMV 1K-12 vs Easun Power ISolar SPR 1K 12V side by side: what actually differs, efficiency, MPP trackers, battery input and the full specification."
source: "https://comparepv.com/compare-inverters/easun-power-isolar-smv-1k-12/easun-power-isolar-spr-1k-12v"
updated: 2026-01-19
---

# Easun Power ISolar SMV 1K-12 vs Easun Power ISolar SPR 1K 12V

SPR 1K 12V leads on the differences that matter

The largest is weight per kw: 0.7 kg/kW lighter. 2 of 7 comparable parameters are identical, with 25 more left out because at least one datasheet does not publish them.


## The two inverters


| Attribute | A | B |
| --- | --- | --- |
| Inverter | [Easun Power ISolar SMV 1K-12](https://comparepv.com/inverter/easun-power-isolar-smv-1k-12) | [Easun Power ISolar SPR 1K 12V](https://comparepv.com/inverter/easun-power-isolar-spr-1k-12v) |
| Manufacturer | Easun Power | Easun Power |
| Rated AC power | 1 kW | 1 kW |
| Type | Off-grid | Off-grid |


## Where they differ

Ranked by how much the difference matters, not by datasheet order.


| Parameter | SMV 1K-12 | SPR 1K 12V | Difference |
| --- | --- | --- | --- |
| Weight per kW | 5.1 kg/kW | 4.4 kg/kW | -0.7 kg/kW for SPR 1K 12V |
| DC/AC ratio | 0.50 | 0.60 | +0.10 for SPR 1K 12V |
| Weight | 5.1 kg | 4.4 kg | -0.7 kg for SPR 1K 12V |
| Max PV power | 0.50 kW | 0.60 kW | 0.10 kW apart |
| Dimensions | 320x225x88 mm | 88x225x320 mm | 320x225x88 mm vs 88x225x320 mm |


## Every compared parameter


| Parameter | SMV 1K-12 | SPR 1K 12V |
| --- | --- | --- |
| Rated AC power | 1.00 kW | 1.00 kW |
| Max AC power | 1.00 kW | 1.00 kW |
| Grid connection | Single-phase | - |
| Nominal AC voltage | 230 V | - |
| Max AC current | - | - |
| Max PV power | 0.50 kW | 0.60 kW |
| DC/AC ratio | 0.50 | 0.60 |
| Max DC voltage | 145 V | - |
| MPPT voltage range | 17-115 V | - |
| Start voltage | - | - |
| MPP trackers | - | - |
| Strings per tracker | - | - |
| Max input current per tracker | - | - |
| European efficiency | - | - |
| Max efficiency | - | - |
| CEC efficiency | - | - |
| Battery input | Yes | - |
| Battery voltage | 12 VDC / 24 VDC / 48 VDC (model-dependent) | - |
| Max charge current | 120 A | - |
| Backup power | - | - |
| Weight | 5.1 kg | 4.4 kg |
| Weight per kW | 5.1 kg/kW | 4.4 kg/kW |
| Dimensions | 320x225x88 mm | 88x225x320 mm |
| Ingress protection | - | - |
| Cooling | - | forced-air |
| Noise | - | 60 dB |
| Max operating temperature | 50 °C | - |
| Wi-Fi | - | - |
| Ethernet | - | - |
| Arc fault protection | - | - |
| Integrated DC switch | - | - |
| Warranty | - | - |


## Related comparisons

- [Easun Power ISolar SMV 1K-12 vs Easun Power ISolar MLVZ 1KW-12V](https://comparepv.com/compare-inverters/easun-power-isolar-smv-1k-12/easun-power-isolar-mlvz-1kw-12v) - 3 differences, the largest is weight
- [Easun Power ISolar SMV 1K-12 vs Easun Power ISolar SPV 1K-12](https://comparepv.com/compare-inverters/easun-power-isolar-smv-1k-12/easun-power-isolar-spv-1k-12) - 2 differences, the largest is dc/ac ratio
- [Easun Power ISolar SMV 1K-12 vs Easun Power ISolar SPL 1K](https://comparepv.com/compare-inverters/easun-power-isolar-smv-1k-12/easun-power-isolar-spl-1k) - 5 differences, the largest is rated ac power


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Source: https://comparepv.com/compare-inverters/easun-power-isolar-smv-1k-12/easun-power-isolar-spr-1k-12v

Not in this file, on the page: a written summary generated on request.