--- title: "Sigenergy SigenStor BAT stack (2 modules) vs SMA Home Storage 16.4 - Battery Comparison | ComparePV" description: "Compare Sigenergy SigenStor BAT stack (2 modules) vs SMA Home Storage 16.4 side by side: shop prices, usable energy, round-trip efficiency, power, cycle life and the full specification." source: "https://comparepv.com/compare-batteries/sigenergy-sigenstor-bat-stack-2-modules/sma-solar-technology-ag-sma-home-storage-16-4" updated: 2026-01-11 --- # Sigenergy SigenStor BAT stack (2 modules) vs SMA Home Storage 16.4 12 differences, and they point both ways The largest is usable energy: 0.28 kWh apart. 2 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 | [Sigenergy SigenStor BAT stack (2 modules)](https://comparepv.com/battery/sigenergy-sigenstor-bat-stack-2-modules) | [SMA Home Storage 16.4](https://comparepv.com/battery/sma-solar-technology-ag-sma-home-storage-16-4) | | Manufacturer | Sigenergy | SMA Solar | | Usable energy | 16.12 kWh | 16.4 kWh | | Cells and voltage | LFP | LFP HV | ## Price offers | Shop | Country | SigenStor BAT stack (2 modules) | SMA Home Storage 16.4 | | --- | --- | --- | --- | | www.alma-solarshop.be | Belgium | | 7 445 € | | www.alma-solarshop.nl | Netherlands | | 7 445 € | | www.solaris-store.com | France | | 8 120.63 € | | nordsolar.fi | Finland | | 11 625 € | [See 15 Sigenergy offers](https://comparepv.com/offers?manufacturer=sigenergy&product_type=battery) [See 15 SMA Solar offers](https://comparepv.com/offers?manufacturer=sma-solar&product_type=battery) ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | SigenStor BAT stack (2 modules) | SMA Home Storage 16.4 | Difference | | --- | --- | --- | --- | | Usable energy | 16.12 kWh | 16.40 kWh | 0.28 kWh apart | | Continuous discharge power | 8.00 kW | 17.28 kW | +9.28 kW for SMA Home Storage 16.4 | | Max system capacity | 48.4 kWh | 16.4 kWh | +32.0 kWh for SigenStor BAT stack (2 modules) | | Nominal energy | 16.12 kWh | 16.40 kWh | 0.28 kWh apart | | Continuous charge power | 8.00 kW | 17.28 kW | +9.28 kW for SMA Home Storage 16.4 | | Power per kWh | 0.50 kW/kWh | 1.05 kW/kWh | +0.56 kW/kWh for SMA Home Storage 16.4 | | Weight | 164.0 kg | 190.0 kg | -26.0 kg for SigenStor BAT stack (2 modules) | | Weight per kWh | 10.2 kg/kWh | 11.6 kg/kWh | -1.4 kg/kWh for SigenStor BAT stack (2 modules) | | Min operating temperature | -20 °C | -10 °C | -10 °C for SigenStor BAT stack (2 modules) | | Max operating temperature | 55 °C | 50 °C | +5 °C for SigenStor BAT stack (2 modules) | | Ingress protection | IP66 | IP65 | IP66 vs IP65 | | Modules per stack | 1-6 | 1-5 | 1-6 vs 1-5 | ## Every compared parameter | Parameter | SigenStor BAT stack (2 modules) | SMA Home Storage 16.4 | | --- | --- | --- | | Usable energy | 16.12 kWh | 16.40 kWh | | Nominal energy | 16.12 kWh | 16.40 kWh | | Depth of discharge | - | 100 % | | Max system capacity | 48.4 kWh | 16.4 kWh | | Modules per stack | 1-6 | 1-5 | | Continuous discharge power | 8.00 kW | 17.28 kW | | Continuous charge power | 8.00 kW | 17.28 kW | | Peak discharge power | 12.00 kW | - | | Power per kWh | 0.50 kW/kWh | 1.05 kW/kWh | | Round-trip efficiency | - | 94.5 % | | Cycle life | - | 8000 cycles | | Cycle test depth | - | 100 % | | Capacity at end of life | - | - | | Self-discharge | - | - | | Voltage class | - | High voltage | | Nominal voltage | - | 480 V | | Operating voltage | - | 450-540 V | | Cell chemistry | LFP | LFP | | Active cell balancing | - | - | | Thermal management | - | - | | Inverter | None (battery only) | None (battery only) | | Inverter power | - | - | | Grid connection | - | - | | Backup power | - | - | | Weight | 164.0 kg | 190.0 kg | | Weight per kWh | 10.2 kg/kWh | 11.6 kg/kWh | | Dimensions | 910x850x260 mm | - | | Ingress protection | IP66 | IP65 | | Outdoor-rated | - | Yes | | Min operating temperature | -20 °C | -10 °C | | Max operating temperature | 55 °C | 50 °C | | Warranty | - | 10 yrs | | Warranted throughput | - | - | ## Related comparisons - [Sigenergy SigenStor BAT stack (2 modules) vs Sigenergy SigenStor BAT 8.0 system (2 modules)](https://comparepv.com/compare-batteries/sigenergy-sigenstor-bat-stack-2-modules/sigenergy-sigenstor-bat-8-0-system-2-modules) - 3 differences, the largest is usable energy - [Sigenergy SigenStor BAT stack (2 modules) vs Solplanet Ai-HB 175A](https://comparepv.com/compare-batteries/sigenergy-sigenstor-bat-stack-2-modules/solplanet-ai-hb-175a) - 11 differences, the largest is continuous discharge power - [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 - [SMA Home Storage 16.4 vs FoxESS HS17.5](https://comparepv.com/compare-batteries/sma-solar-technology-ag-sma-home-storage-16-4/foxess-hs17-5) - 10 differences, the largest is usable energy - [SMA Home Storage 16.4 vs FoxESS ECS2900-H6](https://comparepv.com/compare-batteries/sma-solar-technology-ag-sma-home-storage-16-4/fox-ess-ecs2900-h6) - 14 differences, the largest is usable energy --- Source: https://comparepv.com/compare-batteries/sigenergy-sigenstor-bat-stack-2-modules/sma-solar-technology-ag-sma-home-storage-16-4 Not in this file, on the page: a written summary generated on request.