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Professional-grade lithium ion battery engineered by Waveband for mission-critical communications.

4400 mAh high capacity
Lithium Ion chemistry
Immersion rated for extreme environments
Compatible with EF Johnson 5100 series radios

When your radio is your lifeline, reliable power isn't optional. The Waveband WV-M57374LI delivers professional-grade performance engineered specifically for demanding field operations. Our lithium ion battery technology provides extended runtime of 24-30 hours, weighs one-third less than Ni-Cd and Ni-MH alternatives, and eliminates memory effect concerns.

This Waveband battery features 4400 mAh capacity—the highest available for this radio platform. Designed and engineered to work seamlessly with IMPRES technology, it's fully compatible with IMPRES chargers and battery readers for intelligent power management. Our batteries have earned approval from the U.S. Military, Police Forces, and Fire Departments nationwide for use in critical applications.

Professional-grade lithium ion battery engineered by Waveband for mission-critical communications.

Waveband batteries: engineered to go the extra distance when it matters most.

EF Johnson 5100 Series Batteries

Waveband WV-M57374LI High-Capacity Lithium Ion Battery -Public Safety Grade