Battery Storage
Pylontech US5000 5kWh
UK's most-installed lithium battery module. 5kWh LiFePO4, 48V, stackable up to ~80kWh.
£787.58 ex VAT
How it scores
Scores based on published manufacturer specifications and weighted criteria — not lab testing. Methodology.
Specifications
- Chemistry
- LiFePO4
- Weight kg
- 40
- Usable kWh
- 4.8
- Warranty years
- 10
- Ac or dc coupled
- DC
- Inverter built in
- No
- Round trip eff %
- 95
- Cycle count warranty
- 6000
- Depth of discharge %
- 95
What I noticed
Pylontech's US-series batteries are the lithium storage modules most UK installers default to when an off-the-shelf cell is needed. The US5000 is the current 5kWh variant — a 48V LiFePO4 module designed to pair with any compatible 48V hybrid inverter (Solis, Sunsynk, Growatt, GoodWe, Solax, and many others).
Stackable up to 16 modules (~80kWh total) for larger installs. The LiFePO4 chemistry gives ~6000 cycles at 90% depth of discharge — competitive with premium AIOs at a fraction of the £/kWh cost.
Who it suits
Default cell choice for any install pairing with a third-party hybrid inverter. Particularly strong for budget-conscious solar households where the inverter is sized to also handle batteries (saving the cost of a dedicated battery inverter).
What I'd watch for
No inverter included — total install cost adds £800-2000 for a compatible hybrid inverter on top of the cell price. Cooling is passive — for installs in warm garages or south-facing utility rooms, factor in ventilation. The US5000C is the current revision; verify you're not being offered older US5000A/B stock.
US5000 5kWh head-to-heads
Side-by-side scoring vs each alternative in our shortlist.
Other Battery Storage on my shortlist
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