PMNN4424AR IMPRES Li-ion Battery for Motorola APX Radios - Reliable

In this review the PMNN4424AR IMPRES Li-ion battery is evaluated as a direct replacement power pack for Motorola APX 1000, APX 2000, APX 3000 and APX 4000 radios. The bottom line: it is a straightforward, high-capacity spare that prioritizes runtime and durability over extra frills. For users who need a dependable emergency or daily replacement battery, the 2600mAh capacity and IMPRES compatibility make it the single biggest reason to buy this pack for extended on-shift performance.

Key Features

• Capacity: The 2600mAh Li-ion cell provides longer run time between charges compared with older, lower-capacity packs so radios stay operational for extended shifts.
• IMPRES Function: Designed to support IMPRES charging routines when first activated, which helps the battery engage properly with Motorola APX radios for better charge management.
• Durable Construction: Ultrasonic sealing and impact-resistant design reduce the risk of damage in daily field use and help protect the battery internals.
• Safety Protections: Built-in dual protection PCM and short-circuit protection increase reliability and reduce the chance of electrical faults during operation.
• Complete Package: Arrives factory packed with a belt clip included, providing a ready-to-use replacement without needing additional accessories.
• Compatibility: Compatible with official PMNN4424 and PMNN4424AR battery part numbers for Motorola APX 1000 through APX 4000 models, simplifying replacement selection.

Who It's For

This battery is aimed at public safety professionals, contractors, and field technicians who rely on Motorola APX radios and need a reliable spare or replacement battery with respectable capacity and IMPRES compatibility. It is also suitable for fleet managers maintaining sets of APX radios where consistent charging behavior and built-in safety features matter.

Those who want OEM-branded packaging or integrated manufacturer support should check original factory channels, and users who need the absolute highest capacity or specialty cells should look at alternative licensed upgrade options. Casual users with infrequent radio use may find lower-capacity, lighter options adequate.

Pros & Cons

Pros

• Higher 2600mAh capacity offers noticeably longer runtime over many older replacements.
• IMPRES function compatibility helps ensure proper activation and charging behavior with APX radios.
• Robust construction and PCM protection improve durability and safety in daily use.

Cons

• Requires discharging before initial installation and a full charge to activate IMPRES features, which adds a setup step.
• Not OEM-branded in packaging for those who prefer manufacturer-labeled retail boxes.

Specifications

Model	PMNN4424AR
Chemistry	Li-ion
Voltage	7.4V
Capacity	2600mAh
Weight	169g (5.96oz)
Package Includes	Battery and belt clip
Compatible Radios	Motorola APX 1000, 2000, 3000, 4000

Our Verdict

The PMNN4424AR IMPRES Li-ion battery is a practical, cost-effective replacement for APX radios that balances higher capacity, safety features, and IMPRES compatibility. It is a good value for professionals who need dependable runtime and simple field-ready durability, though it requires the recommended initial discharge and full-charge activation to function as intended.

Frequently Asked Questions

Do I need to do anything special before using this battery?
Yes. IMPRES batteries should be fully discharged first, then installed and charged to full to activate the IMPRES charging behavior.

Will this fit my APX radio?
It is compatible with Motorola APX 1000, APX 2000, APX 3000 and APX 4000 models and matches PMNN4424 / PMNN4424AR part numbers.

Is a charger included?
No. The package includes the PMNN4424AR battery and a belt clip; use your existing APX-compatible charger to charge the battery.