Battery Compatibility

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Will
Site Admin
Posts: 363
Joined: Thu Oct 13, 2022 5:56 pm

A list of compatible batteries for FoxESS hardware

H or AC Series inverter:
  • ECS 2900/ ECS 4100 (BMS is built into the master, cannot mix 2900 with 4100 systems)
AIO (All In One) Series inverter: Generic Inverter i.e Solax Or Solis:
Attachments
LV5200.pdf
LV5200
(10.55 MiB) Downloaded 665 times
HV2600-Datasheet-little.pdf
HV2600
(675.03 KiB) Downloaded 750 times
energy-cube-2900-10.13.pdf
Energy Cube 2900
(541.69 KiB) Downloaded 779 times
energy-cube-4100-little-1.pdf
Energy Cube 4100
(602.78 KiB) Downloaded 637 times
Mira-HV25-Datasheet-8.10 (1).pdf
HV25
(562.91 KiB) Downloaded 692 times
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mwatt52
Posts: 1
Joined: Fri Jan 06, 2023 10:32 pm

Hi,

Is it possible to use both HV2600 and Mira 25 on the same inverter?
Starmex
Posts: 1
Joined: Tue Aug 27, 2024 12:39 pm

Hi
Can I use one master ECS 2900 battery without slave?
Are the ECS 2900 V1 and V2 compatible i.e. Master V1 + Slave V2?
Dave Foster
Posts: 1786
Joined: Thu Oct 13, 2022 7:21 pm

Starmex wrote: Tue Aug 27, 2024 12:58 pm Hi
Can I use one master ECS 2900 battery without slave?
Are the ECS 2900 V1 and V2 compatible i.e. Master V1 + Slave V2?
No minimum spec is 1 master (ECM2900) + 1 slave (ECS2900)

You have to use all V1 for V1 ECS2900 and all V2 for ECS2900-2
philippe_d
Posts: 2
Joined: Tue Mar 07, 2023 10:43 pm

Are there any 3rd party batteries compatible with the Fox ESS H1-5.0 inverter?

Or more specific: is this battery compatible:
Pylontech US3000C
3.2kWh capacity per cube.
I would need 3 modules (9.6 Kwh)

If not, which Fox ESS battery (batteries) would you recommend (need ca10 kWh)

rgds
Philippe (Belgium)
Solar Panels: 15 x Phono solar 400Wp mono (6 kWp)
Orientation: South-East (136°)
Roof slope: 30°
Inverter: FOX H1-5.0E hybride (5 kW)
Location: Waregem (Belgium) - 50.88N, 3.43E
Dave Foster
Posts: 1786
Joined: Thu Oct 13, 2022 7:21 pm

philippe_d wrote: Fri Mar 07, 2025 1:11 pm Are there any 3rd party batteries compatible with the Fox ESS H1-5.0 inverter?

Or more specific: is this battery compatible:
Pylontech US3000C
3.2kWh capacity per cube.
I would need 3 modules (9.6 Kwh)

If not, which Fox ESS battery (batteries) would you recommend (need ca10 kWh)

rgds
Philippe (Belgium)
No there are no 3rd party batteries readily available, the Pylontech batteries are low voltage and the Fox ESS batteries are a high voltage system.

Probably the best value battery circa 10kWh is the Fox ESS EP11 which is a 10.36kWh LifePo4 battery (90% of which is usable) in a single cabinet (it is heavy at 100kg), you can scale them up to a maximum of 4 batteries if needed which needs an additional junction box to add more than one battery.
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