Compare Solar Panels, Batteries & Inverters Side by Side

Compare

Compare like with like. Aligned scores, specifications and local evidence within one scoring class or tier.

Market context

Global benchmark

Product AComparable product

Performance & Value

Hybrid Battery Max BE21HV13.3–33.25 kWh

Redback Technologies | RED-P1-BE21HV; 21 kWh nominal, 19.95 kWh usable, paired RED-H3-S10HV single-phase hybrid inverter

LFPDC-coupledSingle-phase

64/ 100

Good

Strong evidence coverage · 100%

Evidence checked 2026-08-03

LFP

Full scorecard

Performance & Value

Smile G3 S5 / BAT-10.1P9.6–57.6 kWh

AlphaESS | SMILE-G3-S5 with one SMILE-G3-BAT-10.1P; 9.6 kWh usable reference, 1-6 modules

LFPAll-in-oneSingle-phase

67/ 100

Very good

Strong evidence coverage · 100%

Evidence checked 2026-08-01

LFPVPP-Ready

Full scorecard

Side by side

Score profile

Measure	Hybrid Battery Max BE21HV	Smile G3 S5 / BAT-10.1P
Capacity & Usability	81 / 100	82 / 100
Power & Efficiency	72 / 100	62 / 100
Longevity (verified)	56 / 100	65 / 100
Safety & Chemistry	70 / 100	75 / 100
Guarantee & Backbone	64 / 100	62 / 100
Energy Ecosystem	45 / 100	58 / 100

Capacity & Usability

Hybrid Battery Max BE21HV: 81 / 100
Smile G3 S5 / BAT-10.1P: 82 / 100

Power & Efficiency

Hybrid Battery Max BE21HV: 72 / 100
Smile G3 S5 / BAT-10.1P: 62 / 100

Longevity (verified)

Hybrid Battery Max BE21HV: 56 / 100
Smile G3 S5 / BAT-10.1P: 65 / 100

Safety & Chemistry

Hybrid Battery Max BE21HV: 70 / 100
Smile G3 S5 / BAT-10.1P: 75 / 100

Guarantee & Backbone

Hybrid Battery Max BE21HV: 64 / 100
Smile G3 S5 / BAT-10.1P: 62 / 100

Energy Ecosystem

Hybrid Battery Max BE21HV: 45 / 100
Smile G3 S5 / BAT-10.1P: 58 / 100

Side by side

Key specifications

Measure	Hybrid Battery Max BE21HV	Smile G3 S5 / BAT-10.1P
Published usable capacity range	13.3–33.25 kWh	9.6–57.6 kWh
Scored benchmark	19.95 kWh	9.6 kWh
Chemistry	LFP	LFP
Power	9.99 kW	5 kW
Round-trip	Not recorded	Not recorded
Cycle life	Not recorded	Not recorded

Published usable capacity range

Hybrid Battery Max BE21HV: 13.3–33.25 kWh
Smile G3 S5 / BAT-10.1P: 9.6–57.6 kWh

Scored benchmark

Hybrid Battery Max BE21HV: 19.95 kWh
Smile G3 S5 / BAT-10.1P: 9.6 kWh

Chemistry

Hybrid Battery Max BE21HV: LFP
Smile G3 S5 / BAT-10.1P: LFP

Power

Hybrid Battery Max BE21HV: 9.99 kW
Smile G3 S5 / BAT-10.1P: 5 kW

Round-trip

Hybrid Battery Max BE21HV: Not recorded
Smile G3 S5 / BAT-10.1P: Not recorded

Cycle life

Hybrid Battery Max BE21HV: Not recorded
Smile G3 S5 / BAT-10.1P: Not recorded

Decision snapshot

Where the comparison separates

OverallSmile G3 S5 / BAT-10.1P leads the global score by 3 points.

Strongest dimensionsHybrid Battery Max BE21HV: Capacity & Usability · Smile G3 S5 / BAT-10.1P: Capacity & Usability

Largest differenceSmile G3 S5 / BAT-10.1P has the largest pillar edge in Energy Ecosystem (13 points).

Evidence coverageHybrid Battery Max BE21HV: strong evidence coverage (100%) · Smile G3 S5 / BAT-10.1P: strong evidence coverage (100%)

A score lead is only meaningful inside this shared class or tier. Weigh it against the specification and evidence rows above before deciding.

Both products are scored in the Performance & Value class, on the same rubric weighting. Scores are not comparable across classes or tiers. Full methodology.