---
title: "Deye SE-G5.1 Pro-B (EU, NA, AU) vs Deye RW-L5.1 - Battery Comparison | ComparePV"
description: "Compare Deye SE-G5.1 Pro-B (EU, NA, AU) vs Deye RW-L5.1 side by side: shop prices, usable energy, round-trip efficiency, power, cycle life and the full specification."
source: "https://comparepv.com/compare-batteries/deye-se-g5-1-pro-b-eu-na-au/rw-l5-1"
updated: 2026-01-10
---

# Deye SE-G5.1 Pro-B (EU, NA, AU) vs Deye RW-L5.1

SE-G5.1 Pro-B (EU, NA, AU) leads on the differences that matter

The largest is max system capacity: 163.8 kWh more room to expand. 9 of 14 comparable parameters are identical, with 19 more left out because at least one datasheet does not publish them.


## The two batteries


| Attribute | A | B |
| --- | --- | --- |
| Battery | [Deye SE-G5.1 Pro-B (EU, NA, AU)](https://comparepv.com/battery/deye-se-g5-1-pro-b-eu-na-au) | [Deye RW-L5.1](https://comparepv.com/battery/rw-l5-1) |
| Manufacturer | Deye | Deye |
| Usable energy | 5.12 kWh | 5.12 kWh |
| Cells and voltage | LFP LV | LV |


## Price offers


| Shop | Country | SE-G5.1 Pro-B (EU, NA, AU) | RW-L5.1 |
| --- | --- | --- | --- |
| Sklep Soltech | Poland | 2 956.80 zł |  |
| www.nejpanely.cz | Czechia | 20 000 Kč |  |
| eshop.jm-tech.sk | Slovakia | 690 € |  |
| livre.pt | Portugal | 756.99 € |  |
| lacasasolar.es | Spain | 919 € |  |
| Solaris Energy | Poland | 4 230 zł |  |
| mon-shopping-solaire.fr | France | 1 026 € |  |
| lifepo4oz.com | Australia | 2 299 A$ |  |
| solarbex.com | Spain | 1 005 € |  |

[See 44 Deye offers](https://comparepv.com/offers?manufacturer=deye&product_type=battery)


## Where they differ

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


| Parameter | SE-G5.1 Pro-B (EU, NA, AU) | RW-L5.1 | Difference |
| --- | --- | --- | --- |
| Max system capacity | 327.7 kWh | 163.8 kWh | +163.8 kWh for SE-G5.1 Pro-B (EU, NA, AU) |
| Continuous discharge power | 5.12 kW | 5.00 kW | +0.12 kW for SE-G5.1 Pro-B (EU, NA, AU) |
| Weight | 45.0 kg | 46.0 kg | -1.0 kg for SE-G5.1 Pro-B (EU, NA, AU) |
| Ingress protection | IP20 | IP65 | IP20 vs IP65 |
| Dimensions | 133x440x540 mm | 700x400x160 mm | 133x440x540 mm vs 700x400x160 mm |


## Every compared parameter


| Parameter | SE-G5.1 Pro-B (EU, NA, AU) | RW-L5.1 |
| --- | --- | --- |
| Usable energy | 5.12 kWh | 5.12 kWh |
| Nominal energy | 5.12 kWh | 5.12 kWh |
| Depth of discharge | 90 % | - |
| Max system capacity | 327.7 kWh | 163.8 kWh |
| Modules per stack | - | - |
| Continuous discharge power | 5.12 kW | 5.00 kW |
| Continuous charge power | 5.12 kW | - |
| Peak discharge power | 7.68 kW | - |
| Power per kWh | 1.00 kW/kWh | 0.98 kW/kWh |
| Round-trip efficiency | - | - |
| Cycle life | 6000 cycles | - |
| Cycle test depth | 90 % | - |
| Capacity at end of life | 70 % | - |
| Self-discharge | - | - |
| Voltage class | Low voltage | Low voltage |
| Nominal voltage | 51 V | 51 V |
| Operating voltage | 43.2-57.6 V | - |
| Cell chemistry | LFP | - |
| Active cell balancing | - | - |
| Thermal management | - | - |
| Inverter | None (battery only) | None (battery only) |
| Inverter power | - | - |
| Grid connection | - | - |
| Backup power | - | - |
| Weight | 45.0 kg | 46.0 kg |
| Weight per kWh | 8.8 kg/kWh | 9.0 kg/kWh |
| Dimensions | 133x440x540 mm | 700x400x160 mm |
| Ingress protection | IP20 | IP65 |
| Outdoor-rated | - | - |
| Min operating temperature | -20 °C | - |
| Max operating temperature | 55 °C | 55 °C |
| Warranty | 10 yrs | 10 yrs |
| Warranted throughput | 16.0 MWh | - |


## Related comparisons

- [Deye SE-G5.1 Pro-B (EU, NA, AU) vs Deye SE-G 5.1](https://comparepv.com/compare-batteries/deye-se-g5-1-pro-b-eu-na-au/se-g-5-1) - 4 differences, the largest is continuous discharge power
- [Deye SE-G5.1 Pro-B (EU, NA, AU) vs Deye RW-F5.3-2H3](https://comparepv.com/compare-batteries/deye-se-g5-1-pro-b-eu-na-au/deye-rw-f5-3-2h3) - 12 differences, the largest is usable energy
- [Deye SE-G5.1 Pro-B (EU, NA, AU) vs Deye RW-F5.3-1H3](https://comparepv.com/compare-batteries/deye-se-g5-1-pro-b-eu-na-au/deye-rw-f5-3-1h3) - 12 differences, the largest is usable energy


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Source: https://comparepv.com/compare-batteries/deye-se-g5-1-pro-b-eu-na-au/rw-l5-1

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