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Description
Motorola PMNN4818A IMPRES 2 Li-Ion 3650mAh TIA4950 Battery (IP68)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,
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
- TIA4950 Intrinsically Safe: Certified for use in hazardous environments where explosive gases or dust are a constant risk.
- IMPRES 2 Smart Technology: Features automated self-calibration and maintenance to maximize life cycles and operational readiness.
- Extreme Cold Operation: The Motorola PMNN4818A is engineered to maintain full power delivery in freezing conditions down to -30°C.
- IP68 Submersible Rating: Ruggedized, dust-tight, and waterproof construction protects the battery during total submersion.
- 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
| APX N70 | APX N70XE |
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.
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4.7 ★★★★★
Based on 10 reviews
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Product Reviews
★★★★★ 4
Baby bumps and bodyguards
Format: Kindle
Dark, emotional, and unexpectedly tender, Not Ready is an omegaverse romance that delivers found family feels, fierce protectiveness, and a very pregnant heroine who refuses to break. Vale’s on the run from a stalker, but lands in the arms of three private security alphas, cue the swoony tension, fake marriage twist, and slow-burn heat.
It’s a little gritty, a little soft, and a whole lot addictive. If you love protective alphas, high stakes, and heroines with quiet strength, this one’s a must-read.
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Reviewed in the United States on December 18, 2025
★★★★★ 5
Strong Omegaverse Comfort and a Attention Grabbing Plot
Format: Kindle
Jillian West never misses when it comes to Omegaverse, and Not Ready is no exception. This story was the perfect blend of cozy comfort and emotional depth while still delivering a strong plot.
Vale is such a powerful heroine, she is strong, capable, and determined but I love that she still allows her pack to love and take care of her. It’s that balance of independence and vulnerability that makes her so relatable.
The relationship dynamics were amazing: Bishop is steadfast and completely head over heels, Mercy is skeptical but protective in his own way, and Holt is the hesitant one whose slow fall is so satisfying to watch unfold.
The romance hits that sweet spot between insta-love and cautious build, keeping me hooked the entire way through. And that ending. Oh my god, the cliffhanger! I need the next book in this duet immediately.
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Reviewed in the United States on August 28, 2025
★★★★★ 5
Interesting
Format: Kindle
So I will say I enjoyed the story, for sure had its moments where it dragged but it was a great story. I really liked that omegas picked their alphas/make the pack. Normally the Alphas make it and the omega fits in with them which is great but I enjoyed this new version where all the power basically went to the omega. It was a nice change of pace. I can admit some of the weird bedroom stuff with her being pregnant was odd, it’s really not hard to do stuff when pregnant (I know I’ve had two and it’s normal and even encouraged at the end especially if you want the baby out). But I like the story as a whole and will read the second, I do hope the next one isn’t dragged bc it stopped being action or tense after she met her alphas and I don’t think it was brought up or properly done when they tried to do it. More sweet after she left.
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Reviewed in the United States on November 11, 2024
★★★★★ 3
I’m a little disappointed.
Format: Kindle
I usually like Jillian West’s books but this one was missing a lot for me. The pregnancy didn’t come across as real. She’s on her feet for 12 hour days but is perfectly healthy at 8 months pregnant? Yet the week she moves in all of a sudden she’s not? She is planning on actually running during one of the plot buildups. But at 8 months pregnant that’s incredibly hard to do. The lack of breathing ability and lung space, the change in body center, mass, and gravity. All of it prohibits running, unless you’re an athlete this didn’t come off as at all realistic.
I didn’t feel any connection with the alphas. There wasn’t any emotional connection. It could be because of the tense it was written in. But I didn’t get any deep feelings out of this. It came across as checking off boxes. Even the spicy scenes weren’t really believable for me. I wanted to see them fall for her, and it just kind of all fizzled. Even Bishop.
One thing I did really like was the ending. I did not see it coming and I’m interested in reading book two because of it. But on the whole this book was mostly disappointing for me.
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Reviewed in the United States on March 16, 2024
★★★★★ 4
4.25 stars
Format: Kindle
Vale is an 8 month pregnant omega working as a waitress at a strip club and a cam girl. She starts to get very creepy vibes from a regular at the club, and her baby daddy ghosted her. She has had an online relationship with a man named Bishop through her cam girl status. One night, bishop was paying to watch her sleep and ansthe creepy regular Andrew break in and watch her sleep he tells vale to come to him at his business now. She flees and finds herself at a large security company with some.hot of alphas who are there to help her. This imegaverse is a little different than I have read, but I am thoroughly enjoying it. Vale is not a traditional omega she was raised by a single beta mom, and the alphas are not normal alphas they have never really loved pack life. But they are ruthless mercenaries. They need her, and she needs them. I love the aspect of the stalker and now the plot twists at the end, so so good. Sometimes, it seemed a little slow and stale mated, but since this a duet, I think It was just her starting to have Vale get to know her alpha suitors. Cliffhanger for sure with this one.
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Reviewed in the United States on September 9, 2024
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