Battery Compatible with Motorola NTN9857B Radio - Reliable 7.4V

In this review the focus is on a practical replacement option for Motorola two-way radios: a 7.4V 2500mAH Li-ION battery compatible with NTN9857B. The bottom line is simple: this battery is for users who need a reliable, brand new replacement that matches original equipment performance without paying manufacturer prices. It is presented as a premium quality pack with a 12 month warranty and a promise to retain 80% capacity over the first year, which makes it a sensible choice for professionals and hobbyists who depend on consistent radio runtime.

Key Features

• Capacity: 7.4V 2500mAH Li-ION chemistry gives longer runtime than many older packs and supports extended on-shift use.
• Compatibility: Fully compatible with a wide range of Motorola part numbers and models so it fits radios without modification.
• Durability: Brand new, premium build quality designed for reliable performance and consistent power delivery.
• Warranty: Includes a 12 month warranty, offering reassurance against early defects or capacity loss.
• Performance retention: Guaranteed to maintain at least 80% of rated capacity for 12 months from shipment for predictable longevity.

Who It's For

This battery is aimed at professionals, fleet operators, and radio users who need a trustworthy replacement for Motorola NTN9857B and related part numbers such as NNTN6263, NTN9857AR and NTA9858A. It is especially useful for technicians, security teams, and event staff who require consistent runtime and compatibility across models like the Radius P25 and XTS series.

Users who need factory-labeled OEM batteries with original branding or who require specialized battery management features from the original manufacturer should look elsewhere; this product is a third-party replacement built for compatibility and value rather than OEM labeling.

Pros & Cons

Pros

• High 2500mAH capacity provides extended operating time compared with lower-capacity alternatives.
• Wide compatibility list covers many Motorola radios and replacement P/Ns for easy interchangeability.
• Premium new construction and a 12 month warranty reduce the risk of early failure.
• Designed to retain 80% capacity for the first year, which helps with predictable battery planning.

Cons

• As a compatible replacement, it is not OEM branded which may matter to buyers seeking original manufacturer packaging.
• Li-ion packs require proper charging and storage to meet the guaranteed capacity retention, so users must follow care guidelines.

Specifications

Battery Type	Li-ION
Voltage	7.4V
Capacity	2500mAH
Warranty	12 Months
Compatible Part Numbers	NNTN6263, NNTN7335, NNTN9857, NTA9858A, NTN9814, NTN9816, NTN9857B, plus others
Compatible Radios	Radius P25, XTS1000, XTS1500, XTS2000, XTS2250, XTS2500, MT1500, NT1500, PR1500

Our Verdict

This replacement battery is a practical, cost-effective option for users who need dependable power for Motorola two-way radios. It offers strong capacity, wide compatibility across common P/Ns and models, and a reassuring 12 month warranty. For users seeking reliable runtime and good value rather than original manufacturer branding, it is a smart purchase.

Frequently Asked Questions

Will this battery fit my XTS1500?
Yes. The pack lists compatibility with XTS1500 and other XTS series models so it will work as a replacement for those radios.

How long is the warranty?
The battery includes a 12 month warranty from the date of shipment to cover defects and early capacity loss.

How long will the battery hold charge?
The manufacturer guarantees the battery will retain at least 80% of rated capacity for 12 months under normal use and proper charging practices.