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Description
Motorola PMNN4448C IMPRES Li-Ion IP68 2800mAh BatteryMotorola PMNN4448C IMPRES Li Ion IP68 2800mAh Battery High Capacity Smart Power for Mission Critical Portables The Motorola PMNN4448C is a high capacity, professional grade lithium ion battery designed to provide extended talk time and rugged reliability for high tier portable radios. Engineered with Motorolas exclusive IMPRES Smart Energy System, this battery actively communicates with IMPRES chargers to automate reconditioning and optimize its
Motorola PMNN4448C
IMPRES Li-Ion IP68 2800mAh Battery
High-Capacity Smart Power for Mission-Critical Portables
The Motorola PMNN4448C is a high-capacity, professional-grade lithium-ion battery designed to provide extended talk-time and rugged reliability for high-tier portable radios. Engineered with Motorola’s exclusive IMPRES™ Smart Energy System, this battery actively communicates with IMPRES chargers to automate reconditioning and optimize its overall service life. With a substantial 2800mAh capacity, the PMNN4448C is built to support long shifts and heavy-duty communication needs, ensuring your equipment stays powered when it matters most.
Built for extreme field conditions, the Motorola PMNN4448C features an IP68 submersibility rating, making it completely dust-tight and capable of withstanding immersion in water up to two meters for two hours. The internal IMPRES technology stores critical data—including authenticity, remaining capacity, and service-life statistics—which is communicated via a unique protocol to maximize efficiency and eliminate the "memory effect." This rugged, high-density power solution is the direct successor to the PMNN4448B, offering a more durable housing for mission-critical deployments.
Key Features & Benefits
- IMPRES™ Smart Technology: Automatically communicates with chargers to perform adaptive reconditioning and maximize the battery's total number of charge cycles.
- Extended 2800mAh Capacity: Provides significantly more energy than standard batteries, ensuring clear communications across double shifts or extended incidents.
- IP68 Waterproof Rating: Delivers superior environmental protection, allowing the radio to remain functional even after complete submersion in water.
- Advanced Data Tracking: Stores unique service-life data within the battery, allowing fleet managers to track performance and predict replacement needs.
- Authenticity Guaranteed: Integrated circuitry ensures only genuine Motorola batteries are used with your high-value radio assets, protecting internal electronics.
- Ruggedized Construction: Manufactured with high-impact materials to withstand the drops, vibrations, and thermal shocks common in industrial and public safety use.
Specifications
| Feature | Specification |
| Chemistry | Lithium-Ion (Li-Ion) |
| Capacity | 2800 mAh |
| IP Rating | IP68 (Submersible) |
| Technology | IMPRES™ |
| Intrinsic Safety | No Rating |
| Part Number | PMNN4448C (Successor to PMNN4448B) |
Compatibility
| APX1000I | APX2000 | APX3000 | DEP550 |
| DEP550E | DEP570 | DEP570E | DGP5050E |
| DGP5550E | DGP8550E | XPR3500E | XPR7350E |
| XPR7380E | XPR7550E |
Frequently Asked Questions
- What is the difference between this and the PMNN4448B? The PMNN4448C is the modernized replacement for the legacy PMNN4448B. While the capacity remains at 2800mAh, the "C" version often includes manufacturing updates to improve long-term seal integrity and housing durability.
- Can I charge this battery on a non-IMPRES charger? Yes, the battery will charge on most standard Motorola-compatible chargers; however, you will not benefit from the automated reconditioning, data tracking, and life-extension features that an IMPRES charger provides.
- Is this battery safe for use in explosive environments? No. The PMNN4448C does not carry an Intrinsic Safety (IS) rating. For hazardous locations requiring TIA-4950 or FM certification, a specific "UL-rated" or "HAZLOC" battery must be used.
Warranty
1-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
4.1 ★★★★★
Based on 21 reviews
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Product Reviews
★★★★★ 5
I use it for myself not my pet
I sewed a fluffy velcro pouch to put this in, and then I wrapped the pouch around a microwavable heat gel pack in order to get the sensation of both heat and heartbeat while hugging a large stuffed animal. It works great. It's not too loud if you position it right. It helps me to fall asleep and not feel lonely or touch starved. The battery lasts a long time and I don't have to recharge it very often. I only wish that the speed of the heartbeat was adjustable so that I could slow it down a little more so that my own heartbeat might try to match it.
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Reviewed in the United States on December 7, 2024
★★★★★ 1
Easily Exposed Lithium Ion Battery
I am returning this item for my money back. Apparently, they think they can charge $16 for a piece of plastic and not even put a screw on the back to hold the panel closed. My dog is smart and a little rough when anxious. I wanted a rechargeable heart (to avoid buying batteries) to help with this anxiety but cannot risk the Velcro coming undone and him biting the heart by mistake. The panel slides off very easily. There's a reason that lithium ion batteries aren't usually easily accessible. I'm not risking my dog discovering a battery and wire in the heart. Even with appropriate supervision, accidents happen. I don't even understand why I would need to access the battery when it's rechargeable. I don't recommend purchasing this product for that reason alone.
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Reviewed in the United States on July 17, 2022
★★★★★ 4
Works great!
It works great, don't have to buy batteries.
07/-8/25
Marilyn A.
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Reviewed in the United States on July 9, 2025
★★★★★ 5
bottle baby kittens preferred this heartbeat to having warm snuggle safe heat disk
Ok... when I got this I thought.. "are you kidding me?" they are going to like this.
Joke was on me. They love it. It is rhythmic and it is strong enough that it pulsates the area so all of them can feel it. They consistently would lay on top of the heart rather than in the area of their "crib" where the heat was.. and this was when they were still only a few days old! It works.
So this is what you want to know.
It beats continuously for about 4-5 days without needing a recharge.
Recharge is fast and only takes a couple hours
The button is slightly "inside" the unit so when it is placed upside down there is no way that it can accidentally be turned off. Which is great. If the button were on the upside in the pet space then a foot or body part of the little animal could turn it off inadvertantly. Design to put the button slightly inset is extremely important design feature - makes this excellent. When I turn it on I know it will be going as long as the battery still has charge. .
I don't think it is waterproof so I put it under the pee pad that I had under the blanket bedding and it was still easily heard AND felt. If not using a pee pad I would definitely put it in a small ziplock bag to protect from any leaked urine or liquids to keep it safe.
When the kittens were done eating they would gravitate towards the heart beat... (with their eyes open or when they were still closed after birth it was the same response). This little gadget was a total lifesaver as it really calmed the kittens in ways I would not be able to.
These pictures are of the trio that LOVED this.... Meet Zen (tabby M with white feet), Sugar (tuxedo F with white feet) and Rocket (ginger - M). All cisgender. they were about 3 days old when I got them to foster.. photos from arrival until about 3 weeks of age. Photo with q-tip is to give relative size on arrival. They will be up for adoption in Tustin CA in another 2-3 weeks time.
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Reviewed in the United States on September 17, 2023
★★★★★ 5
Fantastic!
The heart that came with Snuggle Puppy was a pain to replace the battery. This is the only rechargeable heart I could find searching online. I was a little concerned reading it’s a “frequently returned item.” But happy to say, we will not be returning this! It shipped charged and the heart is still beating non-stop days later! It’s sturdy and fits in the snuggle puppy perfectly. We have a tiny 17 yr old Chihuahua who never chewed anything up so it’s completely safe for her to enjoy. It helps with her anxiety. You can hear the beat in the video—it’s nice and loud and has a bit of a vibration. Our pup has been sleeping next to it every night. Very happy with this purchase. From reading reviews, I trust if we have an issue with it, their customer service will help. For now, it works! I really like that it has time options—can set it for 2 hrs of heart beating or non-stop.
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Reviewed in the United States on September 17, 2024