Q2 2023 Financial Overview & Strategic Plan

PWRCELL® BATTERY POWER COMPARISON Power/Energy (kW/kWh) 20 20 15 10 +33% +55% 5 +20% 0 Tesla PWRcell Powerwall+ Useable Energy Continuous Power 9kW PWRcell 18kWh Tesla 13.5kWh 5.8kW FranklinWH 13.6kWh 5kW Peak Power (seconds) 12kW 10kW 10kW GENERAC USEABLE ENERGY CONTINUOUS POWER PEAK POWER FranklinWH aPower SolarEdge 9.7kWh 5kW 7.5kW SolarEdge Energy Bank Enphase 10.1kWh 3.8kW 5.76kW Enphase IQ 10 Note: Shaded lines represent market leading advantage in terms of power capability, with specific percentages as compared to Tesla 23

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