--- title: "FoxESS ECS2900-H5 vs SMA Home Storage 13.1 - Battery Comparison | ComparePV" description: "Compare FoxESS ECS2900-H5 vs SMA Home Storage 13.1 side by side: shop prices, usable energy, round-trip efficiency, power, cycle life and the full specification." source: "https://comparepv.com/compare-batteries/fox-ess-ecs2900-h5/sma-solar-technology-ag-sma-home-storage-13-1" updated: 2026-01-11 --- # FoxESS ECS2900-H5 vs SMA Home Storage 13.1 14 differences, and they point both ways The largest is cycle life: 2000 cycles more. 5 of 19 comparable parameters are identical, with 14 more left out because at least one datasheet does not publish them. ## The two batteries | Attribute | A | B | | --- | --- | --- | | Battery | [FoxESS ECS2900-H5](https://comparepv.com/battery/fox-ess-ecs2900-h5) | [SMA Home Storage 13.1](https://comparepv.com/battery/sma-solar-technology-ag-sma-home-storage-13-1) | | Manufacturer | FoxESS | SMA Solar | | Usable energy | 12.96 kWh | 13.12 kWh | | Cells and voltage | LFP HV | LFP HV | ## Price offers | Shop | Country | ECS2900-H5 | SMA Home Storage 13.1 | | --- | --- | --- | --- | | www.alma-solarshop.be | Belgium | | 5 959 € | | www.alma-solarshop.nl | Netherlands | | 5 959 € | | www.solaris-store.com | France | | 6 495 € | | nordsolar.fi | Finland | | 9 375 € | [See 21 FoxESS offers](https://comparepv.com/offers?manufacturer=foxess&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 | ECS2900-H5 | SMA Home Storage 13.1 | Difference | | --- | --- | --- | --- | | Cycle life | 6000 cycles | 8000 cycles | +2000 cycles for SMA Home Storage 13.1 | | Usable energy | 12.96 kWh | 13.12 kWh | 0.16 kWh apart | | Max system capacity | 20.2 kWh | 16.4 kWh | +3.8 kWh for ECS2900-H5 | | Nominal energy | 14.40 kWh | 13.12 kWh | 1.28 kWh apart | | Depth of discharge | 90 % | 100 % | +10 pp for SMA Home Storage 13.1 | | Nominal voltage | 288 V | 384 V | 96 V apart | | Weight | 164.3 kg | 152.0 kg | -12.3 kg for SMA Home Storage 13.1 | | Min operating temperature | -20 °C | -10 °C | -10 °C for ECS2900-H5 | | Weight per kWh | 12.7 kg/kWh | 11.6 kg/kWh | -1.1 kg/kWh for SMA Home Storage 13.1 | | Round-trip efficiency | 95.0 % | 94.5 % | +0.5 pp for ECS2900-H5 | | Cycle test depth | 90 % | 100 % | 10 pp apart | | Max operating temperature | 55 °C | 50 °C | +5 °C for ECS2900-H5 | | Modules per stack | 2-7 | 1-5 | 2-7 vs 1-5 | | Operating voltage | 243-328.5 V | 360-432 V | 243-328.5 V vs 360-432 V | ## Every compared parameter | Parameter | ECS2900-H5 | SMA Home Storage 13.1 | | --- | --- | --- | | Usable energy | 12.96 kWh | 13.12 kWh | | Nominal energy | 14.40 kWh | 13.12 kWh | | Depth of discharge | 90 % | 100 % | | Max system capacity | 20.2 kWh | 16.4 kWh | | Modules per stack | 2-7 | 1-5 | | Continuous discharge power | - | 13.82 kW | | Continuous charge power | - | 13.82 kW | | Peak discharge power | - | - | | Power per kWh | - | 1.05 kW/kWh | | Round-trip efficiency | 95.0 % | 94.5 % | | Cycle life | 6000 cycles | 8000 cycles | | Cycle test depth | 90 % | 100 % | | Capacity at end of life | - | - | | Self-discharge | - | - | | Voltage class | High voltage | High voltage | | Nominal voltage | 288 V | 384 V | | Operating voltage | 243-328.5 V | 360-432 V | | Cell chemistry | LFP | LFP | | Active cell balancing | - | - | | Thermal management | - | - | | Inverter | None (battery only) | None (battery only) | | Inverter power | - | - | | Grid connection | - | - | | Backup power | - | - | | Weight | 164.3 kg | 152.0 kg | | Weight per kWh | 12.7 kg/kWh | 11.6 kg/kWh | | Dimensions | 710x570x380 mm | - | | Ingress protection | IP65 | IP65 | | Outdoor-rated | Yes | Yes | | Min operating temperature | -20 °C | -10 °C | | Max operating temperature | 55 °C | 50 °C | | Warranty | - | 10 yrs | | Warranted throughput | - | - | ## Related comparisons - [FoxESS ECS2900-H5 vs BYD Battery-Box Premium HVS 12.8](https://comparepv.com/compare-batteries/fox-ess-ecs2900-h5/byd-battery-box-premium-hvs-12-8) - 15 differences, the largest is usable energy - [FoxESS ECS2900-H5 vs Pylontech Force H2 (FH9637M)](https://comparepv.com/compare-batteries/fox-ess-ecs2900-h5/pylontech-force-h2-fh9637m) - 10 differences, the largest is usable energy - [FoxESS ECS2900-H5 vs BYD Battery-Box Premium HVM 13.8](https://comparepv.com/compare-batteries/fox-ess-ecs2900-h5/byd-battery-box-premium-hvm-13-8) - 9 differences, the largest is usable energy --- Source: https://comparepv.com/compare-batteries/fox-ess-ecs2900-h5/sma-solar-technology-ag-sma-home-storage-13-1 Not in this file, on the page: a written summary generated on request.