Growatt APX
Premium high-voltage modular battery with module-level optimisation.
Capacity
5–30 kWh (modular)
Power
12 kW
Warranty
10 years
Installed price
£4,200–£10,000
Overview
The Growatt APX is Growatt's premium high-voltage modular battery, built from 5 kWh blocks on a power module that scales 1 to 6 modules for 5 to 30 kWh. Its standout feature is module-level energy optimisation: you can mix old and new modules, or different capacities, and still use 100% of the energy. With cobalt-free LFP cells, a 90% depth of discharge, IP66 rating and high peak output, it suits larger homes, heat pumps and export-focused setups.
Pros
- Module-level optimiser lets you mix old/new or different-size modules
- Scales 5 to 30 kWh; 90% depth of discharge
- High peak output for demanding homes
- Cobalt-free LFP, IP66, 10-year warranty
Worth knowing
- Needs a matching Growatt MIN-XH (HV) inverter
- Premium pricing versus the ARK range
Best for
Larger homes wanting Growatt's top-end high-voltage modular system
Suits the Cover your peak and Export & earn tiers in our battery finder.
Model comparison
| Specification | APX 5.0 | APX 15.0 | APX 30.0 |
|---|---|---|---|
| Modules | 1 | 3 | 6 |
| Nominal energy | 5 kWh | 15 kWh | 30 kWh |
| Peak output (60 s) | 3.5 kW | 10.5 kW | 19.2 kW |
| Weight | 72 kg | 172 kg | 328 kg |
Technical specifications
Electrical
- Battery module
- APX 5.0P (5 kWh) + power module
- Modules
- 1–6 (5–30 kWh)
- Nominal voltage
- 400 V
- Operating voltage
- 380–550 V
- Depth of discharge
- 90%
- Peak output power
- Up to ~19.2 kW (60 s)
- Optimisation
- Module-level (mix old/new modules)
- Chemistry
- Cobalt-free LFP
Operating conditions & general
- Ingress protection
- IP66
- Installation
- Wall-mounted or floor
- Operating temperature
- −10 to 50 °C
- Relative humidity
- 5–95%
- Max. altitude
- 4,000 m
- Noise
- 40 dB
- Communication
- CAN / RS485
- Warranty
- 10 years
Downloads
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