Battery Compatible with Motorola PMNN4409BR Radio - 7.4V 2500mAH

Our review of this replacement battery finds it best suited to professionals and hobbyists who need a reliable spare or long-term replacement for Motorola two-way radios. The single biggest reason to buy is straightforward: it promises consistent performance and durability by using A' Grade Li-ION cells and quality construction, while matching a long list of OEM part numbers so compatibility is rarely a concern. For users who depend on radios for shift work or field operations, the 7.4V 2500mAH capacity and a 12 month free replacement warranty deliver both usable runtime and peace of mind.

Key Features

• High quality cells: Uses graded A' Grade Li-ION cells to deliver stable capacity and reliable discharge characteristics for prolonged use.
• Wide compatibility: Listed as compatible with many Motorola models and OEM part numbers, which reduces the chance of fitment issues across common radio lines.
• Rugged housing: Housings use ABS and polycarbonate materials to withstand daily handling and resist impact in field conditions.
• Secure contacts: Resistance welded, gold plated contacts help ensure a low-resistance connection and consistent power delivery to the radio.
• Quality testing: Undergoes vibration, shock, thermal cycling and overcharge test simulations to improve reliability in demanding environments.
• Warranty: Includes a 12 month free replacement warranty that covers manufacturing defects for added confidence.

Who It's For

This battery is aimed at people who rely on Motorola two-way radios for work: first responders, security teams, construction crews, and event staff who need a dependable replacement that mirrors OEM behavior. The 2500mAH capacity makes it suitable for full shifts or as a high-capacity backup to extend runtime without frequent swaps.

It may be less suitable for users who require factory-branded batteries with manufacturer service records, or those who need specialized batteries with built-in smart fuel gauges; in those cases the original Motorola battery or an OEM accessory with integrated electronics might be preferable.

Pros & Cons

Pros

• High-grade Li-ION cells offer consistent discharge and good usable capacity for typical field use.
• Broad compatibility with many Motorola models and replacement OEM part numbers simplifies purchasing for mixed fleets.
• Rugged ABS/polycarbonate housing and gold plated contacts improve durability and electrical reliability.

Cons

• Lacks integrated OEM smart features such as manufacturer battery health reporting found on some factory batteries.

Specifications

Battery chemistry	Li-ION
Voltage	7.4V
Capacity	2500mAH
Warranty	12 months free replacement
Compatible models	Motorola APX, MOTOTRBO, XPR, XiR series and more
Replacement OEM P/N	Includes NNTN8128, PMNN4409, PMNN4409BR and related numbers

Our Verdict

This replacement battery is a practical, cost-effective option for users who need reliable runtime and broad model compatibility without paying a premium for factory-branded packs. Its quality construction, tested performance and 12 month warranty make it a sensible buy for field workers and fleet managers, while those who require OEM smart features should consider factory alternatives.

Frequently Asked Questions

Will this battery fit my Motorola radio?
It is listed compatible with a wide range of Motorola APX, MOTOTRBO, XPR and XiR models and matches many OEM part numbers, so it will fit most radios that accept PMNN4409BR-style packs.

How long does the battery hold charge under normal use?
Rated at 2500mAH, runtime depends on radio transmit duty cycle, but the battery is designed to maintain at least 80% of rated capacity for 12 months from shipment.

Is there a warranty if the battery fails?
Yes, the battery includes a 12 month free replacement warranty that covers manufacturing defects.