---
title: "FoxESS ECS2900-H6 vs Solplanet Ai-HB 175A - Battery Comparison | ComparePV"
description: "Compare FoxESS ECS2900-H6 vs Solplanet Ai-HB 175A side by side: usable energy, round-trip efficiency, power, cycle life and the full specification."
source: "https://comparepv.com/compare-batteries/fox-ess-ecs2900-h6/solplanet-ai-hb-175a"
updated: 2026-01-11
---

# FoxESS ECS2900-H6 vs Solplanet Ai-HB 175A

ECS2900-H6 leads on the differences that matter

The largest is usable energy: 0.57 kWh apart. 10 of 20 comparable parameters are identical, with 13 more left out because at least one datasheet does not publish them.


## The two batteries


| Attribute | A | B |
| --- | --- | --- |
| Battery | [FoxESS ECS2900-H6](https://comparepv.com/battery/fox-ess-ecs2900-h6) | [Solplanet Ai-HB 175A](https://comparepv.com/battery/solplanet-ai-hb-175a) |
| Manufacturer | FoxESS | Solplanet |
| Usable energy | 15.55 kWh | 16.12 kWh |
| Cells and voltage | LFP HV | LFP HV |

[See 31 FoxESS offers](https://comparepv.com/offers?manufacturer=foxess&product_type=battery)

[See 4 Solplanet offers](https://comparepv.com/offers?manufacturer=solplanet&product_type=battery)


## Where they differ

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


| Parameter | ECS2900-H6 | Ai-HB 175A | Difference |
| --- | --- | --- | --- |
| Usable energy | 15.55 kWh | 16.12 kWh | 0.57 kWh apart |
| Nominal energy | 17.28 kWh | 17.92 kWh | 0.64 kWh apart |
| Nominal voltage | 346 V | 358 V | 13 V apart |
| Weight | 196.3 kg | 228.5 kg | -32.2 kg for ECS2900-H6 |
| Weight per kWh | 12.6 kg/kWh | 14.2 kg/kWh | -1.6 kg/kWh for ECS2900-H6 |
| Cycle test depth | 90 % | 80 % | 10 pp apart |
| Max operating temperature | 55 °C | 50 °C | +5 °C for ECS2900-H6 |
| Modules per stack | 2-7 | 3-8 | 2-7 vs 3-8 |
| Operating voltage | 291.6-394.2 V | 280-408.8 V | 291.6-394.2 V vs 280-408.8 V |
| Dimensions | 830x570x380 mm | 1120x540x390 mm | 830x570x380 mm vs 1120x540x390 mm |


## Every compared parameter


| Parameter | ECS2900-H6 | Ai-HB 175A |
| --- | --- | --- |
| Usable energy | 15.55 kWh | 16.12 kWh |
| Nominal energy | 17.28 kWh | 17.92 kWh |
| Depth of discharge | 90 % | 90 % |
| Max system capacity | 20.2 kWh | 20.5 kWh |
| Modules per stack | 2-7 | 3-8 |
| Continuous discharge power | - | 10.75 kW |
| Continuous charge power | - | 8.86 kW |
| Peak discharge power | - | - |
| Power per kWh | - | 0.67 kW/kWh |
| Round-trip efficiency | 95.0 % | 95.0 % |
| Cycle life | 6000 cycles | 6000 cycles |
| Cycle test depth | 90 % | 80 % |
| Capacity at end of life | - | - |
| Self-discharge | - | - |
| Voltage class | High voltage | High voltage |
| Nominal voltage | 346 V | 358 V |
| Operating voltage | 291.6-394.2 V | 280-408.8 V |
| Cell chemistry | LFP | LFP |
| Active cell balancing | - | - |
| Thermal management | - | - |
| Inverter | None (battery only) | None (battery only) |
| Inverter power | - | - |
| Grid connection | - | - |
| Backup power | - | - |
| Weight | 196.3 kg | 228.5 kg |
| Weight per kWh | 12.6 kg/kWh | 14.2 kg/kWh |
| Dimensions | 830x570x380 mm | 1120x540x390 mm |
| Ingress protection | IP65 | IP65 |
| Outdoor-rated | Yes | Yes |
| Min operating temperature | -20 °C | -20 °C |
| Max operating temperature | 55 °C | 50 °C |
| Warranty | - | - |
| Warranted throughput | - | - |


## Related comparisons

- [FoxESS ECS2900-H6 vs Huawei LUNA2000-15-S0](https://comparepv.com/compare-batteries/fox-ess-ecs2900-h6/huawei-luna2000-15-s0) - 11 differences, the largest is usable energy
- [FoxESS ECS2900-H6 vs FoxESS ECS4300H-H4](https://comparepv.com/compare-batteries/fox-ess-ecs2900-h6/fox-ess-ecs4300h-h4) - 8 differences, the largest is usable energy
- [FoxESS ECS2900-H6 vs Deye GB-L16](https://comparepv.com/compare-batteries/fox-ess-ecs2900-h6/gb-l16) - 10 differences, the largest is usable energy
- [Solplanet Ai-HB 175A vs SMA Home Storage 16.4](https://comparepv.com/compare-batteries/solplanet-ai-hb-175a/sma-solar-technology-ag-sma-home-storage-16-4) - 16 differences, the largest is usable energy
- [Solplanet Ai-HB 175A vs BYD Battery-Box Premium HVM 16.6](https://comparepv.com/compare-batteries/solplanet-ai-hb-175a/byd-battery-box-premium-hvm-16-6) - 8 differences, the largest is usable energy
- [Solplanet Ai-HB 175A vs FoxESS HS17.5](https://comparepv.com/compare-batteries/solplanet-ai-hb-175a/foxess-hs17-5) - 8 differences, the largest is usable energy


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Source: https://comparepv.com/compare-batteries/fox-ess-ecs2900-h6/solplanet-ai-hb-175a

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