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Ai-HB 175A vs ECS2900-H6 10 of 20 identical Swap Change batteries

Solplanet Ai-HB 175A vs FoxESS ECS2900-H6

Solplanet Ai-HB 175A
Ai-HB 175A
16.12 kWh 95.0 % round-trip LFP HV
Open battery page Datasheet PDF
VS
FoxESS ECS2900-H6
ECS2900-H6
15.55 kWh 95.0 % round-trip LFP HV
Open battery page Datasheet PDF
The verdict

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.

See all 10 differences
How alike are they
10 of 20 comparable
parameters are identical
identical differs not published
01

What actually differs

10 of 20 parameters
Parameter Ai-HB 175A ECS2900-H6 Difference
Usable energy 16.12 kWh 15.55 kWh 0.57 kWh apart
Nominal energy 17.92 kWh 17.28 kWh 0.64 kWh apart
Nominal voltage 358 V 346 V 13 V apart
Weight 228.5 kg 196.3 kg 32.2 kg lighter
Weight per kWh 14.2 kg/kWh 12.6 kg/kWh 1.6 kg/kWh lighter
Cycle test depth 80 % 90 % 10 pp apart
Max operating temperature 50 °C 55 °C 5 °C more heat tolerant
Modules per stack 3-8 2-7 3-8 vs 2-7
Operating voltage 280-408.8 V 291.6-394.2 V 280-408.8 V vs 291.6-394.2 V
Dimensions 1120x540x390 mm 830x570x380 mm 1120x540x390 mm vs 830x570x380 mm

Shop prices by brand: See 4 Solplanet offers · See 21 FoxESS offers

02

Full specification

Parameter Ai-HB 175A ECS2900-H6 Difference
Capacity
Usable energy 16.12 kWh 15.55 kWh 0.57 kWh apart
Nominal energy 17.92 kWh 17.28 kWh 0.64 kWh apart
Depth of discharge 90 % 90 % Same
Max system capacity 20.5 kWh 20.2 kWh Effectively the same
Modules per stack 3-8 2-7 3-8 vs 2-7
Power
Continuous discharge power 10.75 kW - Not published by FoxESS
Continuous charge power 8.86 kW - Not published by FoxESS
Peak discharge power - - Neither datasheet publishes this
Power per kWh 0.67 kW/kWh - Not published by FoxESS
Efficiency and lifetime
Round-trip efficiency 95.0 % 95.0 % Same
Cycle life 6000 cycles 6000 cycles Same
Cycle test depth 80 % 90 % 10 pp apart
Capacity at end of life - - Neither datasheet publishes this
Self-discharge - - Neither datasheet publishes this
Electrical
Voltage class High voltage High voltage Same
Nominal voltage 358 V 346 V 13 V apart
Operating voltage 280-408.8 V 291.6-394.2 V 280-408.8 V vs 291.6-394.2 V
Cell chemistry LFP LFP Same
Active cell balancing - - Neither datasheet publishes this
Thermal management - - Neither datasheet publishes this
Built-in inverter
Inverter None (battery only) None (battery only) Same
Inverter power - - Neither datasheet publishes this
Grid connection - - Neither datasheet publishes this
Backup power - - Neither datasheet publishes this
Physical
Weight 228.5 kg 196.3 kg -32.2 kg for ECS2900-H6
Weight per kWh 14.2 kg/kWh 12.6 kg/kWh -1.6 kg/kWh for ECS2900-H6
Dimensions 1120x540x390 mm 830x570x380 mm 1120x540x390 mm vs 830x570x380 mm
Ingress protection IP65 IP65 Same
Outdoor-rated Yes Yes Same
Min operating temperature -20 °C -20 °C Same
Max operating temperature 50 °C 55 °C +5 °C for ECS2900-H6
Warranty
Warranty - - Neither datasheet publishes this
Warranted throughput - - Neither datasheet publishes this
03

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04

Written summary

Every figure here is from the manufacturers' own datasheets - a dash means the value is not published, never an estimate.