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Lastly, the Franklin Whole Home Battery’s black start capability serves as a critical advantage during prolonged outages. In essence, when the battery has been fully depleted, it retains enough stored energy—specifically one kilowatt-hour—to power up its internal management system. This feature allows the battery to accept solar power for recharging without external assistance, circumventing the need for a technician to reactivate the system.
Early-generation batteries often fell short in this regard and needed specialized external charging. In contrast, Franklin's design empowers homeowners to maintain functionality, even in dire circumstances, enhancing peace of mind.