Motorola Solutions PMNN4457AR Li-Ion Battery

The Motorola Solutions PMNN4457AR is an OEM lithium‑ion battery from the “Mag One” product line, designed for professional Motorola two‑way radios. It provides a robust 2050 mAh capacity with a 7.5 V output, ensuring reliable performance through long work shifts.

This battery is compatible with a broad range of models, including HT750, HT1250, MTX8250, the MTX series (MTX850/9250/950), PR860, and more, making it a great replacement or backup option. Though marketed as part of Motorola’s budget “Mag One” lineup, it carries CE certification and meets rigorous UN38.3 safety standards.

In real‑world use, users report approximately 14 hours of continuous operation with compatible radios when fitted with the PMNN4457AR. The battery weighs around 140 g and measures 123.4 × 57.4 × 25.5 mm, offering a compact upgrade without significantly increasing device bulk. It is rated to endure about 300 full charge cycles, ensuring long service life before capacity degradation becomes noticeable ([turn0search13.

This battery is non‑IMPRES and lacks smart circuitry—meaning it doesn’t require specialized chargers and works with basic ones. Warranty coverage is typically 6 to 12 months, varying by distributor