Portable charging system and charging method

This invention describes a system for charging an electric vehicle's battery using two portable chargers at once. Each portable charger contains its own battery and a power conversion unit. The system is specifically designed to combine the power from both chargers, either by connecting their internal batteries or their power outputs in parallel, to charge the vehicle's battery more quickly.

Why it matters: Filed before widespread EV adoption. Advances in power electronics and battery management systems since 2018 make robust parallel operation of portable chargers more feasible and efficient.

Status: Not in forceListed as no longer active. The specific reason is not in the record we hold.
How hard to build: ModerateStorage batteries, power electronics, parallel control logic

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