Growatt SPF 3000TL LVM-48P with Pylontech US5000

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Pair check
Unverified: Partial match, some fields unverified.

Checked as a single pack, which covers this inverter’s charge current on its own.

Full specifications: Growatt SPF 3000TL LVM-48P and Pylontech US5000.

The four checks

Voltage window: Overlapping window 44.5 to 54 V

The inverter operates from 40 to 60 volts and the battery cuts off outside 44.5 to 54 volts. Both stay inside 44.5 to 54 volts, which covers a normal LiFePO4 charge and discharge cycle with margin at both ends.

Match

Charge current: 80 A into a 100 A limit

The inverter tops out at 80 amps and the battery accepts 100 amps, so a default install cannot overrun the pack. Adding batteries in parallel raises the accepted current further.

Match

Surge rating: Battery surge figure unpublished

A surge to 6000 watts draws roughly 125 amps at 48 volts. This battery publishes a 100 amp continuous rating and no separate surge figure, and continuous is the wrong number to check a motor start against. Confirm the peak rating and its duration with the manufacturer before running motor loads.

Unverified

Closed-loop communication: Both speak RS485, no document names the pair

The inverter and the battery both support RS485. Neither manufacturer publishes a document naming the other unit, and a shared bus standard is not a shared message format. It may well work on the bench. Confirm the protocol setting with both manufacturers before relying on BMS control.

Unverified

What this means when you install it

Set the inverter charge current to 80 amps or less. That is the inverter maximum, which this bank can absorb. Protect the battery run with a 100 amp Class T fuse and 2 AWG cable.

The inverter and the battery both support RS485. Neither manufacturer publishes a document naming the other unit, and a shared bus standard is not a shared message format. It may well work on the bench. Confirm the protocol setting with both manufacturers before relying on BMS control.

Figures side by side

FieldGrowatt SPF 3000TL LVM-48PPylontech US5000
Voltage window40 to 60 V44.5 to 54.0 V
Charge current80 A delivered100 A accepted
Peak draw6,000 W surgesurge unpublished
Usable capacityn/a4.8 kWh
CommsRS485CAN, RS485
Inverter source status: Provisional figure   Battery source status: Provisional figure   Confirm every figure against the document revision shipped with your unit before commissioning.

Manufacturer documents

Manufacturer documents: Growatt product downloads. Figures here should be read against the revision that covers your serial number, because manufacturers revise specifications without changing the model name.

Manufacturer documents: Pylontech product documentation. Figures here should be read against the revision that covers your serial number, because manufacturers revise specifications without changing the model name.

Both units, current pricing

Prices on these move week to week, and the battery is usually the line item worth watching.

Growatt SPF 3000TL LVM-48P on AmazonPylontech US5000 on AmazonComms cable

Affiliate links. As an Amazon Associate this site earns from qualifying purchases, at no extra cost to you. Prices and stock change often, and a listing appearing here is not a statement that the pairing above is approved.

Other pairings for the Pylontech US5000

Questions people actually ask

Will the Growatt SPF 3000TL LVM-48P work with the Pylontech US5000?

Partial match, some fields unverified. Checked as a single pack, which covers this inverter’s charge current on its own. The four checks below show which field produced that result.

What does this pairing cost to wire up?

Beyond the two units, a 100 amp Class T fuse and holder, 2 AWG battery cable cut to matched lengths, and a busbar if you are running 1 packs. A comms cable if you intend to attempt closed loop, and the pinout is rarely the same between brands.

Where does this pairing go wrong in practice?

The inverter and the battery both support RS485. Neither manufacturer publishes a document naming the other unit, and a shared bus standard is not a shared message format. It may well work on the bench. Confirm the protocol setting with both manufacturers before relying on BMS control.

What charge current should I set?

The inverter tops out at 80 amps and the battery accepts 100 amps, so a default install cannot overrun the pack. Adding batteries in parallel raises the accepted current further.

Field notes on this kind of problem