SKU: 21627923147

Motorola PMNN4578A BT110 2500mAh Li-Ion Battery

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Description

Motorola PMNN4578A BT110 2500mAh Li-Ion BatteryMotorola PMNN4578A BT110 Li Ion Two Way Radio Battery Ensure all day power and reliable performance for your slim commercial radio fleet. Keep your workforce connected through their longest, most demanding shifts with the genuine Motorola PMNN4578A (BT110) Lithium Ion Battery. Designed specifically for Motorola's slim commercial radios and WAVE PTX devices, this high capacity power source provides the reliable all day energy required by retail,

Motorola PMNN4578A BT110 Li-Ion Two-Way Radio Battery

Ensure all-day power and reliable performance for your slim commercial radio fleet.

Keep your workforce connected through their longest, most demanding shifts with the genuine Motorola PMNN4578A (BT110) Lithium-Ion Battery. Designed specifically for Motorola's slim commercial radios and WAVE PTX devices, this high-capacity power source provides the reliable all-day energy required by retail, hospitality, and logistics teams.

Boasting a robust 2500mAh capacity, the PMNN4578A battery acts as a direct, high-performance upgrade over standard factory options. Because it is a genuine Motorola OEM part, it guarantees a perfect, flush fit against the back of your radio chassis and ensures your manufacturer's warranty remains completely intact. The slim and lightweight design maximizes power density without adding unnecessary bulk to your radio's sleek profile.

This battery is an exact replacement for the older PMNN4578 model, featuring upgraded internal cell chemistry for improved overall reliability. It is precision-engineered to match the exact 3.7V voltage requirements of your compatible Motorola devices. Please note that this purchase includes the battery only; single-unit and multi-unit chargers are sold separately.

Key Features & Benefits

  • Massive 2500mAh Capacity: Delivers extended hours of continuous talk time, ensuring your radio easily survives heavy-use shifts.

  • Lithium-Ion Technology: Provides consistent power output without the memory effect, meaning you can safely recharge the battery before it is completely dead.

  • Genuine OEM Component: Precision-engineered by Motorola to match exact voltage requirements, preventing circuit damage often caused by cheap knockoffs.

  • Exact Fit Design: The Motorola PMNN4578A battery guarantees a flush, secure fit against your compatible radio chassis.

  • Upgraded Reliability: Serves as the newest factory revision to the original PMNN4578, offering enhanced internal cell chemistry.

Specifications

Attribute Details
Brand Motorola
Model/SKU PMNN4578A (Alias: BT110)
Product Type Two-Way Radio Battery
Chemistry Lithium-Ion (Li-Ion)
Capacity 2500 mAh
Operating Voltage 3.7V

Compatibility

       
DTR600 DTR700 TLK 100 TLK 100i
TLK 110 Curve (DH300) SLN1000 VLR150

What's Included

Description SKU/Model Status
2500mAh Li-Ion Battery PMNN4578A Included
Two-Way Radio Sold Separately
Desktop Charger Sold Separately

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Frequently Asked Questions

What is the difference between the PMNN4578 and PMNN4578A?

The PMNN4578A is the newest factory revision of the original PMNN4578 battery. It features the exact same physical dimensions and compatibility but includes slightly upgraded internal cell chemistry for improved reliability.

How long will this 2500mAh battery last on a single charge?

While battery life heavily depends on how often you transmit versus receive, a 2500mAh battery in a digital radio like the DTR700 or TLK100 will typically provide between 14 to 18 hours of continuous operation under a standard duty cycle.

Does this battery require a special charger?

No. The PMNN4578A will charge perfectly in the standard single-unit desktop charger or multi-unit gang charger that originally came with your compatible Motorola radio.

Is this a lithium-ion or nickel-metal hydride battery?

This is a high-capacity Lithium-Ion (Li-Ion) battery. Lithium-ion batteries do not suffer from the memory effect, allowing you to charge them at any depletion level without damaging their overall lifespan.

Will this battery fit my older Motorola DTR550 radio?

No. The PMNN4578A battery is specifically designed for the updated chassis of the DTR600 and DTR700 models, as well as the TLK series. It will not physically fit older generation radios like the DTR550 or DTR410.

Does installing this battery void my radio's warranty?

No. Because the PMNN4578A is a genuine Motorola OEM component, using it will not void the manufacturer's warranty on your radio device.

Warranty

Covered by a standard 1-year manufacturer's warranty.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
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  • Delivery to the USA:
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Exchange/Return Notes
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  • Final sale items are not eligible for returns or exchanges.
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SKU: 21627923147

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Verified Purchase
joe kisel
New York, US
★★★★★ 5
Our dogs love these
Color: Orange & Blue
We have two rough collies that love to play fetch, tug, and ragdoll. We decided to add these to their play toys. Since getting them they have been ignoring their ducks and going straight for the octopus. We just got them so can’t say much about durability yet but they have been playing with them for hours and still look brand new. Love giving our dogs choices so we can ask them for certain animals to fetch. Love the non-stuffing and the crinkle.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 2, 2026
T
Verified Purchase
Tabitha Williams
Natrona Heights, US
★★★★★ 5
Not for Aggressive Chewers
Color: Orange & Blue
My Dog Loves them. He immediately took the squeaker out, and dismantled some of the legs, but he still runs around trying to play tug-of-war and fetch with the dismembered body piece's 😂☺️
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 3, 2026
A
Verified Purchase
Amy C
Lexington, US
★★★★★ 4
Well made
Color: Orange & Blue
Very durable,great stitching, bright colors,my two dogs however could care less about these Lol my one dog likes balls my other dog seems to only like brown toys
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Reviewed in the United States on April 21, 2026
D
Verified Purchase
Dawn H.
Alexandria, US
★★★★★ 3
Didn't even last an hour!
Color: Orange & Blue, Color: Orange & Blue
I had high hopes for these toys as the description sounded like they might be not easily destructible. Well, I was dissapointed again. Our shih-poo (half shih-tzu/ half minature poodle) had one of the toys apart in an hour. See photo.
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Reviewed in the United States on May 31, 2026
S
Verified Purchase
Serena
Boise, US
★★★★★ 3
Stuffed with Plastic
Color: Orange & Blue
So these are super cute and they have crinkle sounds and a squeaker, but these would not be suitable for chewers. The have plastic stuffing in the legs and my dog almost choked on it...so I just have to tell you that these may be ok for smaller dogs but mine is 30 pounds and he ripped through it and started eating the plastic crinkle stuffing.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 4, 2026

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