question

pharyn avatar image
pharyn asked

BYD Low Voltage 3.5 to 14.0kWh Compatibility

Good day.

I am aware that 13.8kWh is compatible with Victron Energy products.

I want one find out if the B-Plus L 3.5 (3.5kWh modules) are compatible for use in a hybrid/offgrid solar, single phase system.


Thank you.


Taiwo Olajide

BYD
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1 Answer
Guy Stewart (Victron Community Manager) avatar image
Guy Stewart (Victron Community Manager) answered ·

Grid connected - yes,

Hybrid backup - yes,

Offgrid - no.

EDIT - The Victron BYD Battery Manual has now been updated to include this battery -

https://www.victronenergy.com/live/battery_compatibility:byd_b-box


5 comments
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Phil Gavin avatar image Phil Gavin commented ·

I am also interested in these batteries.

Please can you elaborate on the difference between "Hybrid back-up" and "Offgrid".

Specifically, if I lost the grid in a hybrid grid tied situation would these batteries work to keep me with power?

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Guy Stewart (Victron Community Manager) avatar image Guy Stewart (Victron Community Manager) ♦♦ Phil Gavin commented ·

This is a VERY unsatisfying answer but the definition of Hybrid-Backup is the grid is connected MOST of the time, with occasional blackouts.

Beyond that, if you want a robust power supply, it should be designed as if it WAS off grid, with regards to inverter sizing, kWh and current limits of the batteries.

For this particular model you will require the grid connection.

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Related Resources

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Victron BYD battery compatibility guide