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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.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.2 ★★★★★
Based on 86 reviews
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Product Reviews
★★★★★ 5
Great product
Style: Sport, Size: Large
This is a lifesaver. My lab will chase the ball all day and this saves the arms and shoulders. A little bit of a learning curve to use but I would definitely recommend
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 24, 2026
★★★★★ 5
Labs love this!!!
Style: Sport, Size: Large
Our Lab LOVES everything about this thing! Recommend getting extra durable balls as the 1 included fell apart in 1 hour. I have a very energetic Lab retriever that we have to force to stop playing ball so he does not overheat. That & the force with which you can throw this ball did not help keeping it from splitting it in 2 in less than 1 hour.
This is worth the money for the extra throwing power & distance but do invest in the ULTRA strong ball for dogs like retrievers! Also, be sure to order the correct SIZE OF BALL, specific to each different size of throwing wand.
My fav thing about this item is #1 the joy my dog gets from the new challenge of racing to catch longer throws, & #2 I don't have to get my hands covered in dog slobber!!
He has gotten to where he can almost put it in the cup himself so I won't waste time throwing the ball again!
Man, I love that dog!!! ❤️
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 1, 2023
★★★★★ 5
Must-Have for Active Dogs!
Style: Sport, Size: Large
The Chuckit Sport 26L Dog Ball Launcher has been a game-changer for my large dog! My 80-pound Labrador loves to play fetch, and this launcher makes it so much easier and more enjoyable for both of us.
The 26” length gives me the leverage to throw the ball much farther than I could by hand, which really helps burn off my dog’s energy. The included large ball (3”) is the perfect size for big dogs, and I appreciate that it’s made from durable rubber, so it withstands a lot of chewing and rough play.
What I really love is that the launcher is so lightweight and easy to use. I can play fetch with my dog for extended periods without my arm getting tired. The ergonomic handle also provides a comfortable grip, which is a nice touch.
If you have a large, active dog, the Chuckit Sport 26L is a must-have. It’s well-made, durable, and makes fetch more fun for both you and your dog. Highly recommend!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 3, 2024
★★★★★ 5
ChuckIt is AMAZING!
Style: Sport, Size: Large
I can't throw a ball to save my soul. Just got this today and lobbed a ball to the far end of my 1- acre yard. The dog loves it, and I love it!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 8, 2026
★★★★★ 4
I recommend using the KONG Extreme Dog Toy
Style: Sport, Size: Large
Helpful for throwing as much as my dog wants to fetch. I actually had to get a cortisone injection in my shoulder a few months after getting my dog - never had a dog with this much energy before! The Chuckit really helps.
Downside: The ball that comes with it is larger than a tennis ball, so may be too much for smaller doge. I can't imagine my sister-in-law's french bulldog carrying it! Also, in our house it gets destroyed within minutes, as my dog is a strong chewer. For this situation, I recommend using the KONG Extreme Dog Toy, Black, size Large.
This is shaped sort of like a snowman, which means it bounces unpredictably at times. My dog eventually chews the "head" off of this toy, but the remaining 2/3 still fits in the Chuckit (and is actually easier to throw with the "head" missing!). One caveat: the KONG is significantly heavier than the ball included with the Chuckit, so be aware of that...
Also, we ordered our first Chickit in October 2015, then needed to replace it in May of 2017, as it broke. I think the plastic became brittle over that time, as we left it out in the sun & rain in Florida. Since it is cheap to replace, that's not a big deal. (We ordered three Kong toys over that same period of time!)
To summarize, it's a very helpful tool to get the ball further, faster, with less strain, than without it. Knowing there are alternatives to the included ball for heavy chewers makes it worthwhile.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 19, 2017
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