Description
Intrinsically Safe Cold-Weather Power for APX N70 Series
Deploy with confidence in hazardous locations using this TIA4950 certified 3650mAh IMPRES 2 battery.
The Motorola PMNN4818A is a high-performance IMPRES 2 Lithium-Ion battery specifically engineered for the APX N70 and APX N70XE portable radios. This battery is TIA4950 certified as intrinsically safe, making it a critical requirement for users operating in environments where flammable gases, vapors, or combustible dust may be present. With a substantial 3650mAh capacity, the PMNN4818A provides the extended duty cycles necessary for long shifts, ensuring your communication remains uninterrupted during mission-critical tasks in dangerous conditions. The Motorola PMNN4818A is the updated version of the Motorola PMNN4818.
Equipped with Motorola’s advanced IMPRES 2 technology, the PMNN4818A features a self-calibration capability that manages battery health automatically. When maintained with IMPRES 2 chargers, the battery eliminates the need for manual monthly reconditioning, saving hours of downtime and extending the overall life of the power cell. The rugged IP68-rated housing is submersible in up to 2 meters of water for 4 hours and is optimized for extreme cold-weather operations, supporting reliable radio performance in temperatures as low as -30°C.
Key Features & Benefits
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TIA4950 Intrinsically Safe: Certified for use in hazardous environments where explosive gases or dust are a constant risk.
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IMPRES 2 Smart Technology: Features automated self-calibration and maintenance to maximize life cycles and operational readiness.
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Extreme Cold Operation: The Motorola PMNN4818A is engineered to maintain full power delivery in freezing conditions down to -30°C.
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IP68 Submersible Rating: Ruggedized, dust-tight, and waterproof construction protects the battery during total submersion.
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High-Density 3650mAh Cell: Balanced design provides a high-capacity power solution while maintaining a manageable profile for the APX N70 series.
Specifications
| Attribute |
Details |
| Brand |
Motorola |
| Model/SKU |
PMNN4818A |
| Product Type |
IMPRES 2 Li-Ion Battery |
| Voltage |
7.4V |
| Battery Chemistry |
Lithium-Ion (Li-Ion) |
| Capacity |
3650 mAh |
| IP Rating |
IP68 (Submersible) |
| Intrinsic Safety |
TIA4950 Certified |
| Operating Temp |
-30°C to +60°C |
| Weight |
0.57 lbs (260g) |
| Color |
Black |
Compatibility
Recommended Accessories
- Motorola IMPRES 2 Single-Unit Fast Charger (PMPN4604) — Required for automated self-calibration and optimal battery health.
- Motorola Heavy-Duty Spring Belt Clip (PMLN7008) — Rugged 2.5-inch clip for secure radio mounting.
- Motorola XVP730 Remote Speaker Microphone (PMMN4142A) — Mission-critical noise-canceling RSM compatible with APX N70 series.
More Resources
- Manufacturer Data Sheet
- Accessories Catalog
- Battery Care Guide
- Atlantic Radio Blog
Frequently Asked Questions
Is the Motorola PMNN4818A battery intrinsically safe?
Yes. This battery is TIA4950 certified for use in hazardous locations when used with a compatible intrinsically safe APX N70 or N70XE radio.
Do I need to recondition this battery every month?
No. When used with an IMPRES 2 charger, the self-calibration feature manages the battery’s health automatically, removing the need for manual reconditioning cycles.
Can I use this battery with an APX N50 radio?
No. The PMNN4818A is specifically designed for the APX N70 and N70XE series and is not compatible with the APX N30 or N50 series radios.
Warranty
2-year manufacturer's warranty.
