---
title: "Deye BOS-G50 vs Sigenergy SigenStor BAT 8.0 system (6 modules) - Battery Comparison | ComparePV"
description: "Compare Deye BOS-G50 vs Sigenergy SigenStor BAT 8.0 system (6 modules) side by side: usable energy, round-trip efficiency, power, cycle life and the full specification."
source: "https://comparepv.com/compare-batteries/bos-g50/sigenergy-sigenstor-bat-8-0-system-6-modules"
updated: 2026-01-11
---

# Deye BOS-G50 vs Sigenergy SigenStor BAT 8.0 system (6 modules)

BOS-G50 leads on the differences that matter

The largest is usable energy: 0.72 kWh apart. 3 of 12 comparable parameters are identical, with 21 more left out because at least one datasheet does not publish them.


## The two batteries


| Attribute | A | B |
| --- | --- | --- |
| Battery | [Deye BOS-G50](https://comparepv.com/battery/bos-g50) | [Sigenergy SigenStor BAT 8.0 system (6 modules)](https://comparepv.com/battery/sigenergy-sigenstor-bat-8-0-system-6-modules) |
| Manufacturer | Deye | Sigenergy |
| Usable energy | 46.08 kWh | 46.8 kWh |
| Cells and voltage | LFP HV | LFP |

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

[See 15 Sigenergy offers](https://comparepv.com/offers?manufacturer=sigenergy&product_type=battery)


## Where they differ

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


| Parameter | BOS-G50 | SigenStor BAT 8.0 system (6 modules) | Difference |
| --- | --- | --- | --- |
| Usable energy | 46.08 kWh | 46.80 kWh | 0.72 kWh apart |
| Max system capacity | 61.4 kWh | 48.4 kWh | +13.1 kWh for BOS-G50 |
| Nominal energy | 51.20 kWh | 48.36 kWh | 2.84 kWh apart |
| Weight | 420.0 kg | 456.0 kg | -36.0 kg for BOS-G50 |
| Weight per kWh | 9.1 kg/kWh | 9.7 kg/kWh | -0.6 kg/kWh for BOS-G50 |
| Inverter | None (battery only) | Built in (all-in-one) | None (battery only) vs Built in (all-in-one) |
| Ingress protection | IP20 | IP66 | IP20 vs IP66 |
| Modules per stack | 3-12 | 1-6 | 3-12 vs 1-6 |
| Dimensions | 1629x530x602 mm | 1990x850x260 mm | 1629x530x602 mm vs 1990x850x260 mm |


## Every compared parameter


| Parameter | BOS-G50 | SigenStor BAT 8.0 system (6 modules) |
| --- | --- | --- |
| Usable energy | 46.08 kWh | 46.80 kWh |
| Nominal energy | 51.20 kWh | 48.36 kWh |
| Depth of discharge | 90 % | - |
| Max system capacity | 61.4 kWh | 48.4 kWh |
| Modules per stack | 3-12 | 1-6 |
| Continuous discharge power | - | 24.00 kW |
| Continuous charge power | - | 24.00 kW |
| Peak discharge power | - | 36.00 kW |
| Power per kWh | - | 0.51 kW/kWh |
| Round-trip efficiency | - | - |
| Cycle life | 6000 cycles | - |
| Cycle test depth | 90 % | - |
| Capacity at end of life | 70 % | - |
| Self-discharge | - | - |
| Voltage class | High voltage | - |
| Nominal voltage | 512 V | - |
| Operating voltage | 416-584 V | - |
| Cell chemistry | LFP | LFP |
| Active cell balancing | - | - |
| Thermal management | - | - |
| Inverter | None (battery only) | Built in (all-in-one) |
| Inverter power | - | - |
| Grid connection | - | - |
| Backup power | - | - |
| Weight | 420.0 kg | 456.0 kg |
| Weight per kWh | 9.1 kg/kWh | 9.7 kg/kWh |
| Dimensions | 1629x530x602 mm | 1990x850x260 mm |
| Ingress protection | IP20 | IP66 |
| Outdoor-rated | - | - |
| Min operating temperature | -20 °C | -20 °C |
| Max operating temperature | 55 °C | 55 °C |
| Warranty | 10 yrs | - |
| Warranted throughput | - | - |


## Related comparisons

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- [Sigenergy SigenStor BAT 8.0 system (6 modules) vs Sigenergy SigenStor BAT stack (6 modules)](https://comparepv.com/compare-batteries/sigenergy-sigenstor-bat-8-0-system-6-modules/sigenergy-sigenstor-bat-stack-6-modules) - 3 differences, the largest is usable energy
- [Sigenergy SigenStor BAT 8.0 system (6 modules) vs Sigenergy SigenStor BAT stack (5 modules)](https://comparepv.com/compare-batteries/sigenergy-sigenstor-bat-8-0-system-6-modules/sigenergy-sigenstor-bat-stack-5-modules) - 8 differences, the largest is usable energy
- [Sigenergy SigenStor BAT 8.0 system (6 modules) vs Sigenergy SigenStor BAT 8.0 system (5 modules)](https://comparepv.com/compare-batteries/sigenergy-sigenstor-bat-8-0-system-6-modules/sigenergy-sigenstor-bat-8-0-system-5-modules) - 7 differences, the largest is usable energy


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Source: https://comparepv.com/compare-batteries/bos-g50/sigenergy-sigenstor-bat-8-0-system-6-modules

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