---
title: "Sigenergy SigenStor BAT 8.0 system (2 modules) vs Sigenergy SigenStor BAT stack (2 modules) - Battery Comparison | ComparePV"
description: "Compare Sigenergy SigenStor BAT 8.0 system (2 modules) vs Sigenergy SigenStor BAT stack (2 modules) side by side: usable energy, round-trip efficiency, power, cycle life and the full specification."
source: "https://comparepv.com/compare-batteries/sigenergy-sigenstor-bat-8-0-system-2-modules/sigenergy-sigenstor-bat-stack-2-modules"
updated: 2026-01-11
---

# Sigenergy SigenStor BAT 8.0 system (2 modules) vs Sigenergy SigenStor BAT stack (2 modules)

stack (2 modules) leads on the differences that matter

The largest is usable energy: 0.52 kWh apart. 13 of 16 comparable parameters are identical, with 17 more left out because at least one datasheet does not publish them.


## The two batteries


| Attribute | A | B |
| --- | --- | --- |
| Battery | [Sigenergy SigenStor BAT 8.0 system (2 modules)](https://comparepv.com/battery/sigenergy-sigenstor-bat-8-0-system-2-modules) | [Sigenergy SigenStor BAT stack (2 modules)](https://comparepv.com/battery/sigenergy-sigenstor-bat-stack-2-modules) |
| Manufacturer | Sigenergy | Sigenergy |
| Usable energy | 15.6 kWh | 16.12 kWh |
| Cells and voltage | LFP | LFP |

[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 | 8.0 system (2 modules) | stack (2 modules) | Difference |
| --- | --- | --- | --- |
| Usable energy | 15.60 kWh | 16.12 kWh | 0.52 kWh apart |
| Inverter | Built in (all-in-one) | None (battery only) | Built in (all-in-one) vs None (battery only) |
| Weight per kWh | 10.5 kg/kWh | 10.2 kg/kWh | -0.3 kg/kWh for stack (2 modules) |


## Every compared parameter


| Parameter | 8.0 system (2 modules) | stack (2 modules) |
| --- | --- | --- |
| Usable energy | 15.60 kWh | 16.12 kWh |
| Nominal energy | 16.12 kWh | 16.12 kWh |
| Depth of discharge | - | - |
| Max system capacity | 48.4 kWh | 48.4 kWh |
| Modules per stack | 1-6 | 1-6 |
| Continuous discharge power | 8.00 kW | 8.00 kW |
| Continuous charge power | 8.00 kW | 8.00 kW |
| Peak discharge power | 12.00 kW | 12.00 kW |
| Power per kWh | 0.51 kW/kWh | 0.50 kW/kWh |
| Round-trip efficiency | - | - |
| Cycle life | - | - |
| Cycle test depth | - | - |
| Capacity at end of life | - | - |
| Self-discharge | - | - |
| Voltage class | - | - |
| Nominal voltage | - | - |
| Operating voltage | - | - |
| Cell chemistry | LFP | LFP |
| Active cell balancing | - | - |
| Thermal management | - | - |
| Inverter | Built in (all-in-one) | None (battery only) |
| Inverter power | - | - |
| Grid connection | - | - |
| Backup power | - | - |
| Weight | 164.0 kg | 164.0 kg |
| Weight per kWh | 10.5 kg/kWh | 10.2 kg/kWh |
| Dimensions | 910x850x260 mm | 910x850x260 mm |
| Ingress protection | IP66 | IP66 |
| Outdoor-rated | - | - |
| Min operating temperature | -20 °C | -20 °C |
| Max operating temperature | 55 °C | 55 °C |
| Warranty | - | - |
| Warranted throughput | - | - |


## Related comparisons

- [Sigenergy SigenStor BAT 8.0 system (2 modules) vs FoxESS ECS2900-H6](https://comparepv.com/compare-batteries/sigenergy-sigenstor-bat-8-0-system-2-modules/fox-ess-ecs2900-h6) - 9 differences, the largest is max system capacity
- [Sigenergy SigenStor BAT 8.0 system (2 modules) vs Solplanet Ai-HB 175A](https://comparepv.com/compare-batteries/sigenergy-sigenstor-bat-8-0-system-2-modules/solplanet-ai-hb-175a) - 13 differences, the largest is usable energy
- [Sigenergy SigenStor BAT 8.0 system (2 modules) vs Huawei LUNA2000-15-S0](https://comparepv.com/compare-batteries/sigenergy-sigenstor-bat-8-0-system-2-modules/huawei-luna2000-15-s0) - 10 differences, the largest is usable energy
- [Sigenergy SigenStor BAT stack (2 modules) vs SMA Home Storage 16.4](https://comparepv.com/compare-batteries/sigenergy-sigenstor-bat-stack-2-modules/sma-solar-technology-ag-sma-home-storage-16-4) - 12 differences, the largest is usable energy
- [Sigenergy SigenStor BAT stack (2 modules) vs BYD Battery-Box Premium HVM 16.6](https://comparepv.com/compare-batteries/sigenergy-sigenstor-bat-stack-2-modules/byd-battery-box-premium-hvm-16-6) - 6 differences, the largest is usable energy


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Source: https://comparepv.com/compare-batteries/sigenergy-sigenstor-bat-8-0-system-2-modules/sigenergy-sigenstor-bat-stack-2-modules

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