Growatt SPF 12000T DVM

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Growatt inverter

Twelve kilowatts of off grid output at a price the hybrids cannot match, paid for in documentation. Pairings resolve to unverified on comms, which describes the paperwork rather than the hardware.

Published figures

Continuous output
12,000 W
Surge output
24,000 W
Battery voltage window
40 to 60 V
Max charge current
250 A
Battery comms
RS485, CAN
Output
120/240 V split phase
Grid interactive
No, off grid only
PV input
15,000 W, 500 Voc max
Source status: Provisional figure Typical street price $1,800 to $2,500. Figures are recorded from manufacturer material and every one of them should be confirmed against the revision of the document that ships with your unit.

What this inverter will and will not do

  • It will not export to the grid or run as a grid interactive hybrid. It charges from PV or AC and runs loads from the battery. If your plan involves net metering, this is the wrong unit.
  • Output is 120/240 V split phase from one box, so standard household 240 V loads run directly.
  • Battery communication runs over RS485, CAN, and closed loop still depends on both sides agreeing on a message format rather than only on a bus standard.

Sizing a battery bank for it

This inverter delivers up to 250 amps of charge current, and that figure, not your daily energy use, sets the minimum pack count. Every battery below is shown at the smallest bank that can absorb the full charge rate.

BatteryPacks neededBank capacityVoltage windowCharge acceptedCommsResult
BYD Battery-Box Premium LVS 8.018.0 kWh40.0 to 57.6 V250 ACANUnverified
LiTime 48V 50Ah410.2 kWh40.0 to 58.4 V100 AnoneConflict
Dyness B4850512.0 kWh44.0 to 54.0 V250 ACAN, RS485Unverified
Growatt ARK 2.5H512.8 kWh44.0 to 57.6 V250 ACAN, RS485Unverified
Discover AES 48-6650213.3 kWh42.0 to 57.6 V260 ACAN, ModbusUnverified
Discover AES 42-48-6650213.3 kWh42.0 to 57.6 V260 ACAN, ModbusUnverified
Pylontech US3000C414.2 kWh44.5 to 54.0 V296 ACAN, RS485Conflict
Pylontech US5000314.4 kWh44.5 to 54.0 V300 ACAN, RS485Unverified
Freedom Won eTower 5315.0 kWh44.0 to 57.6 V300 ACANUnverified
SimpliPhi PHI 3.8415.2 kWh44.0 to 57.6 V300 AnoneUnverified
EG4 LifePower4 48V 100Ah315.4 kWh44.8 to 58.4 V300 ACAN, RS485Unverified
EG4 LL-S 48V 100Ah315.4 kWh44.8 to 58.4 V300 ACAN, RS485Unverified
SOK 48V 100Ah Server Rack315.4 kWh46.4 to 56.0 V300 ACAN, RS485Unverified
Pytes E-BOX 48100R315.4 kWh44.8 to 58.4 V300 ACAN, RS485Unverified
Jakiper JK48V100 48V 100Ah315.4 kWh44.8 to 58.4 V300 ACAN, RS485Unverified
Vatrer 48V 100Ah315.4 kWh40.0 to 58.4 V300 ARS485Unverified
Ruixu 48V 100Ah Server Rack315.4 kWh44.8 to 58.4 V300 ACAN, RS485Unverified
EG4 LifePower4 V2 48V 100Ah315.4 kWh44.8 to 58.4 V300 ACAN, RS485Unverified
Pytes V5 48V 100Ah315.4 kWh44.8 to 58.4 V300 ACAN, RS485Unverified
Pytes R-BOX 48V 100Ah315.4 kWh44.8 to 58.4 V300 ACAN, RS485Unverified
Trophy Battery 48V 100Ah315.4 kWh44.8 to 58.4 V300 ACAN, RS485Unverified
SunGold 48V 100Ah Rack315.4 kWh44.8 to 58.4 V300 ACAN, RS485Unverified
Growatt ARK XH 5.1315.4 kWh44.0 to 57.6 V300 ACAN, RS485Unverified
Rich Solar 48V 100Ah315.4 kWh44.8 to 58.4 V300 ARS485Unverified
Gobel Power GP-SR1-48100315.4 kWh44.8 to 58.4 V300 ACAN, RS485Unverified
Fortress eFlex 5.4kWh316.2 kWh44.8 to 58.4 V300 ACAN, RS485Unverified
HomeGrid Stack’d 48V 9.6kWh219.2 kWh44.8 to 58.4 V300 ACAN, RS485Unverified
HomeGrid Stack’d 48V 19.2kWh119.2 kWh44.8 to 58.4 V300 ACAN, RS485Unverified
LiTime 48V 100Ah420.5 kWh40.0 to 58.4 V200 AnoneConflict
SOK 48V 200Ah220.5 kWh46.4 to 56.0 V400 ACAN, RS485Unverified
Jakiper JK48V200 48V 200Ah220.5 kWh44.8 to 58.4 V400 ACAN, RS485Unverified
Vatrer 48V 200Ah220.5 kWh40.0 to 58.4 V400 ARS485Unverified
Ruixu Lithi-2 48V 200Ah220.5 kWh44.8 to 58.4 V400 ACAN, RS485Unverified
CHINS 48V 100Ah420.5 kWh40.0 to 58.4 V200 AnoneConflict
Redodo 48V 100Ah420.5 kWh40.0 to 58.4 V200 AnoneConflict
Power Queen 48V 100Ah420.5 kWh40.0 to 58.4 V200 AnoneConflict
ECO-WORTHY 48V 100Ah420.5 kWh40.0 to 58.4 V200 AnoneConflict
Basen 48V 200Ah220.5 kWh44.8 to 58.4 V400 ACAN, RS485Unverified
Victron Lithium Smart 48V 200Ah220.5 kWh40.0 to 57.6 V400 ACANUnverified
BigBattery Owl 48V525.6 kWh44.8 to 58.4 V250 AnoneUnverified
EG4 PowerPro WallMount 48V 280Ah228.7 kWh44.8 to 58.4 V400 ACAN, RS485Unverified
EG4 WallMount Indoor 48V 280Ah228.7 kWh44.8 to 58.4 V300 ACAN, RS485Unverified
Seplos Mason 280 48V228.7 kWh44.8 to 58.4 V400 ACAN, RS485Unverified
Dyness PowerBox 48V328.8 kWh44.0 to 54.0 V300 ACAN, RS485Unverified
BigBattery Etheron 48V 15kWh230.7 kWh44.8 to 58.4 V300 ACAN, RS485Unverified
LiTime 48V 200Ah330.7 kWh40.0 to 58.4 V300 AnoneUnverified
Fortress eVault Max 18.5kWh237.0 kWh44.8 to 58.4 V266 ACAN, RS485Conflict
BigBattery Rhino 2 48V342.9 kWh44.8 to 58.4 V300 ACAN, RS485Unverified
Fortress eVault 18.5kWh355.5 kWh44.8 to 58.4 V300 ACAN, RS485Unverified
Rolls S-480 48V AGM361.8 kWh42.0 to 58.0 V255 AnoneUnverified
Packs needed is the smallest number that accepts this inverter’s 250 amp charge current, or the published parallel limit where that is lower, in which case the charge rate has to be capped in settings.

Fuse and cable for the battery run

Running flat out this inverter pulls about 250 amps at 48 volts, and a surge takes it to roughly 500 amps. Size the protection for the peak, not the average: a 350 amp Class T fuse at the battery positive terminal and two parallel runs of 2/0 cable on the battery run. Class T rather than a standard fuse because a 48 volt lithium bank can deliver enough short circuit current to arc across a fuse that lacks the interrupt rating. Confirm the sizing against your installation manual, which accounts for run length and ambient temperature.

Communication

No manufacturer document tracked here names a specific battery for closed-loop operation with this inverter.

Where the figures come from

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.

Where to buy the Growatt SPF 12000T DVM

Current listings and prices for the Growatt SPF 12000T DVM and the parts most builds need alongside it.

Check price on AmazonBattery cable and lugsClass T fuse and holder

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.

Questions people actually ask

How many batteries does the Growatt SPF 12000T DVM need?

Enough packs to accept 250 amps of charge current. With a 100 amp rack battery that is 3 of them. Fewer will run the system perfectly well with the charge rate capped in settings, and capping it costs you charging speed on short winter days.

What size fuse and cable does the Growatt SPF 12000T DVM need?

It draws about 250 amps continuously at 48 volts and roughly 500 amps during a surge. That points at a 350 amp Class T fuse and two parallel runs of 2/0 cable for the battery run, sized for the fuse rather than the average load. Confirm against the figure in your installation manual, which accounts for run length and ambient temperature.

Which batteries have a documented pairing with the Growatt SPF 12000T DVM?

None of the batteries tracked here have a manufacturer document naming this inverter for closed-loop operation. That is a documentation gap, not a verdict on the hardware.

Can the Growatt SPF 12000T DVM run a well pump?

It surges to 24,000 watts, about 500 amps from the battery. Whether the pump starts depends on the pack as much as the inverter, because the BMS is what interrupts a surge it is not rated for. The pairing pages check that figure per battery. A bank of 3 EG4 LifePower4 48V 100Ah is the smallest configuration on this site with a published surge rating that covers it.

Worth reading before you install