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

FoxESS ECS2900-H6 vs Solplanet Ai-HB 175A

FoxESS ECS2900-H6
ECS2900-H6
15.55 kWh 95.0 % round-trip LFP HV
Open battery page Datasheet PDF
VS
Solplanet Ai-HB 175A
Ai-HB 175A
16.12 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 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 lighter
Weight per kWh 12.6 kg/kWh 14.2 kg/kWh 1.6 kg/kWh lighter
Cycle test depth 90 % 80 % 10 pp apart
Max operating temperature 55 °C 50 °C 5 °C more heat tolerant
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

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

02

Full specification

Parameter ECS2900-H6 Ai-HB 175A Difference
Capacity
Usable energy 15.55 kWh 16.12 kWh 0.57 kWh apart
Nominal energy 17.28 kWh 17.92 kWh 0.64 kWh apart
Depth of discharge 90 % 90 % Same
Max system capacity 20.2 kWh 20.5 kWh Effectively the same
Modules per stack 2-7 3-8 2-7 vs 3-8
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 90 % 80 % 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 346 V 358 V 13 V apart
Operating voltage 291.6-394.2 V 280-408.8 V 291.6-394.2 V vs 280-408.8 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 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
Dimensions 830x570x380 mm 1120x540x390 mm 830x570x380 mm vs 1120x540x390 mm
Ingress protection IP65 IP65 Same
Outdoor-rated Yes Yes Same
Min operating temperature -20 °C -20 °C Same
Max operating temperature 55 °C 50 °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.