Description
IMPRES 2 High-Capacity Submersible Li-Ion Battery for Motorola APX Series
Genuine Motorola Solutions Original 2550 mAh IMPRES 2 lithium-ion rechargeable battery pack with IP68 submersible sealing and -20°C cold-weather rating for APX and SRX portable radios.
The Motorola PMNN4485A (also cataloged as PMNN4485) is an authentic original equipment manufacturer (OEM) IMPRES™ 2 lithium-ion rechargeable battery engineered specifically for mission-critical APX and SRX series two-way radios. Designed for law enforcement officers, fire rescue crews, defense personnel, and tactical teams, this high-performance power pack delivers extended operating life across demanding shifts. Sourced directly from our verified inventory of Two-Way Radio Batteries, the PMNN4485A provides dependable power in mission-critical environments while delivering up to 60% more lifetime charge/discharge cycles than conventional radio batteries.
Engineered for extreme operational durability, the Motorola PMNN4485A features a fully sealed casing certified under IEC Standards (IEC 60529 IP68), providing complete dust-tight ingress protection and continuous water submersibility up to 2 meters for 4 hours. Built-in low-temperature chemistry safeguards stable transceiver transmission power even in severe winter conditions down to -20°C (-4°F). Featuring advanced IMPRES 2 power management technology, the battery continuously transmits real-time state-of-health, accumulated cycle history, and precise charge metrics to IMPRES chargers. This automated maintenance maximizes duty cycles, prevents overcharging, and ensures front-line duty readiness.
Key Features & Benefits
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IMPRES™ 2 Smart Chemistry: Delivers up to 60% more full charge/discharge cycles than standard batteries, significantly reducing long-term fleet replacement costs.
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IP68 Submersible Rugged Housing: Fully protected against fine dust ingress and submersed in water up to 2 meters for 4 hours.
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Extreme Cold-Weather Operation: Formulated to discharge reliably in sub-zero environments down to -20°C (-4°F) without voltage collapse.
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Automated Conditioning: Eliminates memory effect when charged in compatible IMPRES systems by automating reconditioning cycles based on individual usage patterns.
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Standard-Depth Profile: Provides 2550 mAh typical energy capacity in a streamlined housing that preserves handheld ergonomics and holster fit.
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Comprehensive Factory Warranty: Backed by a 24-month Motorola Solutions capacity warranty and a 48-month workmanship warranty.
Specifications
| Attribute |
Details |
| Brand |
Motorola Solutions |
| Model / SKU |
PMNN4485A / PMNN4485 |
| Chemistry |
Lithium-Ion (Li-Ion) |
| Capacity |
2550 mAh (Typical) / 2250 mAh (Minimum) |
| Energy Technology |
Motorola IMPRES™ 2 Adaptive Power Management |
| Ingress Protection Rating |
IP68 (Dust-Tight & Submersible to 2m for 4 Hours) |
| Operating Temperature Range |
-20°C to +60°C (-4°F to +140°F) |
| Intrinsic Safety Rating |
None (Non-HAZLOC) |
| Dimensions (W x H x L) |
1.63 x 3.38 x 2.25 in (41.4 x 85.9 x 57.2 mm) |
| Weight |
Approx. 0.46 lbs (210 g) |
| Housing Material |
Impact-Resistant Textured Polycarbonate |
| Color Finish |
Matte Black Finish |
Compatibility
Compatible Motorola Portable Two-Way Radios
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| APX5000 |
APX6000 |
APX6000LI |
APX6000XE |
| APX7000 |
APX7000XE |
APX8000 |
APX8000XE |
| SRX2200 |
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More Resources
Frequently Asked Questions
How does IMPRES 2 technology improve battery performance?
IMPRES 2 batteries contain internal EEPROM memory chips that communicate directly with IMPRES 2 chargers. The charger tracks cycle count, operating temperature, and actual usage patterns, automatically applying conditioning cycles only when needed to extend overall battery service life by up to 60%.
Can the PMNN4485A be used in freezing temperatures?
Yes. The PMNN4485A is specifically rated for extreme cold down to -20°C (-4°F), maintaining consistent power delivery and TX transmission output during winter outdoor operations.
What does the IP68 rating mean for this battery?
An IP68 rating certifies that the battery is completely dust-tight and resistant to continuous water submersion down to 2 meters for up to 4 hours, protecting electrical contact points and internal cells against water intrusion.
Is the PMNN4485A intrinsically safe for hazardous environments?
No. The PMNN4485A is a non-HAZLOC battery designed for standard commercial, enterprise, and public safety deployments. For hazardous locations requiring UL 913 or TIA-4950 intrinsic safety certifications, an intrinsically safe APX battery model is required.
What is the difference between the PMNN4485A and legacy APX batteries?
The PMNN4485A utilizes advanced IMPRES 2 chemistry, higher-efficiency cell packaging, and superior IP68 environmental sealing, replacing older first-generation IMPRES models while delivering higher capacity and longer service life.
What is the difference between part numbers ending in "A", "B", or having no letter?
There is no functional, mechanical, or operational difference. Motorola Solutions uses trailing letter suffixes (such as A, B, or C) to designate internal manufacturing revisions and factory production batches. A part number cataloged as PMNN4485, PMNN4485A, or a subsequent revision shares identical electrical capacity, form factor, and device compatibility.
Warranty
24-month Motorola Solutions capacity warranty; 48-month Motorola Solutions workmanship warranty.
