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Performance & Value

US5000B

4.56–72.96 kWh · LFP · DC-coupled

PylontechReleased 2021

65/ 100

Good

Global

LFPUL9540A15+ Yrs Field-Proven5 kWh Modular

The verdict. In our Performance & Value class, Pylontech US5000B leads on capacity & usability. Home-battery reliability is rarely independently verified, so judge on chemistry, safety certification and the backing company.

15thof 20 in Performance & ValueLower halfclass average 69.2
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The assessment

How it scores, by category

Capacity & Usability88
Power & Efficiency56
Longevity (verified)58
Safety & Chemistry80
Guarantee & Backbone69
Energy Ecosystem42

Market position

15thof 20 in Performance & ValueLower half
576581

Our reading

US5000B scores 65, placing 15 of 20 in the Performance & Value class against a class average of 69.2. Its strongest scoring dimension is capacity & usability (88). Energy Ecosystem scores 42, the lowest pillar for this product. The class average on energy ecosystem is 53. Key specifications: LFP, 4.8 kW continuous output.

The data

Chemistry
LFP
Power
4.8kW
Round-trip
Not recorded
Cycle life
6,000cycles

Capacity guarantee: minimum retained at year 10

4.6 kWhfull2.7at yr 10
5060708090100Rated capacity 100%Guaranteed floor 60.0%60.0%0yr2yr4yr6yr8yr10yr
Rated capacity (reference)Guaranteed floor: 60.0% at yr 10

No year-by-year capacity schedule is published for this product - the manufacturer guarantees only this end-of-term minimum, not a specific decline curve. Capacity figure based on the sourced usable capacity of the base configuration; modular systems scale with additional modules.

Blackout protection

58 / 100#22 of 28 batteries
fleet low 46median 68fleet high 92
No backupGrid-forming

Whole-home (via hybrid inverter)

Continuous power
4.8kW
Switchover
>100ms / undisclosed
Surge / motor-start
Surge rated
AC terminal protection
Not specified

The blackout score is a standalone benchmark of outage resilience only - it re-weights sourced specs already scored in this product’s pillars (backup tier, switchover, surge strength, backup power, off-grid recharge) and never affects the overall score. Dots show the full battery fleet; the marker is this product.

Before you buy

Two things to check

Local positionUse a market view to check local availability, approvals and warranty scope.

Ask the installer: What usable capacity, backup power and warranted operating conditions will the installed US5000B configuration deliver?

Verification & sources

Market context

Global benchmark. This scorecard is benchmarked globally. A global score does not imply local availability, certification, warranty coverage, or installer compatibility.

Benchmark anchor. The range uses one to sixteen 4.56 kWh usable modules. The score remains anchored to one reviewed US5000-B module. Scored model: US5000-B · checked 2026-07-27. Evidence.

Sources & references · checked 2026-07-27

Strong evidence coverage

32 of 32 scored criteria link directly to a published source.

Values marked estimated, derived, or not found remain visible on the audit sheet and do not carry the same evidential weight as a linked source. Coverage measures direct links, not an independent guarantee that a claim is correct.

Help strengthen this record

These are published evidence gaps, not private submissions. A source is reviewed under the same methodology whether it comes from a reader, installer or manufacturer.

View the open evidence register

Evidence timeline

Recorded verification events for this scorecard. These are evidence checks, not historical score snapshots.

  1. Core scorecard evidence checked
  2. Series benchmark source checked
  3. AU market evidence checked
  4. Plain-language warranty summary checked

Scored by Solar Analytica Research

Further reading from Signals

Stay across the benchmark.

New scorecards, score changes and market signals, published as they happen.