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Huawei LUNA2000-21-S1 vs Zendure SolarFlow 2400 AC+

Usable capacity: Huawei LUNA2000-21-S1 20.7 kWh, Zendure SolarFlow 2400 AC+ –. The Huawei LUNA2000-21-S1 is better on 2 of 4 comparable points.

Who wins where

  • Huawei LUNA2000-21-S1
  • Zendure SolarFlow 2400 AC+

Biggest differences

FactLUNA2000-21-S1SolarFlow 2400 AC+
Weight216 kg27.8 kg
Charge power (continuous)10.5 kW2.4 kW
Discharge power (continuous)10.5 kW2.4 kW
All specifications ↓

Score per area = position (0–100) relative to all 39 models in this category; higher is better.

Technical specifications HuaweiLUNA2000-21-S1 ZendureSolarFlow 2400 AC+
General
Cell chemistry LFP 1 LFP 2
Smart charging on dynamic prices – Yes 2
Wi-Fi / app – Yes 2
Performance
Usable capacity 20.7 kWh 1 –
Nominal capacity – 2.4 kWh 2
Expandable up to – 16.8 kWh 2
Charge power (continuous) 10.5 kW ✓ 1 2.4 kW 2
Discharge power (continuous) 10.5 kW ✓ 1 2.4 kW 2
Efficiency
Depth of discharge 100 % 1 –
Electrical
Backup power – Yes 2
Dimensions & weight
IP rating IP66 1 IP65 2
Min. operating temperature -20 °C 1 -20 °C 2
Width 590 mm 1 326 mm 2
Height 1,230 mm 1 294 mm 2
Depth 255 mm 1 251 mm 2
Weight 216 kg 1 27.8 kg ✓ 2

Sources

  1. LUNA2000-5/7/10/12/14/15/17/19/21-S1 – Technical Specification, 01-202509 — Huawei Digital Power Technologies Co., Ltd. · accessed 27 Sept 2026
  2. Zendure SolarFlow 2400 AC+ – User Manual, 1. Specification, juli 2026 — Zendure · accessed 27 Sept 2026