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EF Series Ferroresonant Chargers​

The GNB EF Series Ferroresonant chargers are conservatively rated to recharge Flooded Classic, Classic Platinum, Tubular-CMX, Tubular-LMX, and Tubular-MPX batteries to their full nameplate rated amp hour.

Features & Benefits
Fast Recharge

The EF Series Ferroresonant charger is rated to fully recharge a 100% discharged battery within eight hours.

Performance Standards

Built to meet Battery Council International performance standards, these chargers have a high power factor and are energy efficient.

Worry-Free Service

The simple and proven design of the EF Series provides years of worry-free service.

Reliable Circuitry

Industry-proven ferroresonant circuitry protects against battery overcharge and incorrect battery connections.

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