PROMAXPOWER 1800mAh Ni-Mh Replacement Batteries 2-Pack - Reliable
PROMAXPOWER 1800mAh Ni-Mh Replacement Batteries 2-Pack - Reliable
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In this review of the PROMAXPOWER 2-pack 1800mAh Ni-Mh batteries the bottom line is simple: these are practical, affordable replacements for older Motorola two-way radios that need dependable runtime and a sturdy shell. The reviewer found them especially useful for users who need a direct replacement for OEM numbers NNTN4496, NNTN4497, or NNTN4851 and who want an immediate spare set. The included matching belt clip with each battery is a useful convenience, and the cells deliver consistent performance across routine shift use without any special charging demands.
Key Features
- Capacity: The 1800 mAh Ni-Mh cells provide extended runtime for typical radio duty cycles, reducing mid-shift battery swaps.
- Voltage: At 7.5V the pack matches the expected output for compatible Motorola models, ensuring correct operation without voltage sag.
- Included accessory: A free matching belt clip with each battery improves carryability and restores the convenience of the original battery setup.
- Durable case: The strong, impact-resistant shell stands up to drops and everyday wear, which helps the pack last in field conditions.
- OEM compatibility: Built as a replacement for NNTN4496, NNTN4497, and NNTN4851, it fits a wide range of listed Motorola CP and GP series radios without modification.
Who It's For
The PROMAXPOWER 2-pack is aimed at professionals and hobbyists who already own Motorola CP040, CP150, CP200, CP200XLS, EP450, GP3188, PR400 or similar models and need reliable replacement batteries that match OEM specs. It is a good fit for users who value having a spare set on hand and who use radios in shifts or extended sessions where runtime matters.
Those who should look elsewhere include users who require the absolute longest possible runtimes available from modern lithium designs or who need fast-charging proprietary packs; this Ni-Mh option is a solid, traditional chemistry choice but not a lithium upgrade.
Pros & Cons
Pros
- Direct replacement compatibility with multiple Motorola OEM numbers makes installation straightforward and worry-free.
- The 1800 mAh Ni-Mh cells deliver dependable run times for everyday radio use without special handling.
- Each battery ships with a matching belt clip, restoring convenience for on-body carry.
- Durable housing helps the batteries resist drops and wear encountered in field use.
Cons
- Uses Ni-Mh chemistry so it does not offer the higher energy density or lower weight of lithium packs.
- No fast-charge or advanced battery management features are included, which some modern users may prefer.
Specifications
| Brand | PROMAXPOWER |
| Chemistry | Ni-Mh |
| Capacity | 1800 mAh |
| Voltage | 7.5V |
| Included accessory | Matching belt clip with each battery |
| Replacement for OEM | NNTN4496, NNTN4497, NNTN4851 |
Our Verdict
The PROMAXPOWER 2-pack is a practical, cost-effective replacement for older Motorola two-way radios, offering reliable performance and a durable shell that suits daily professional use. Buy it if you need direct-fit packs with the convenience of included belt clips; those seeking the absolute lightest or longest runtime should consider lithium alternatives, but for matched OEM replacements this set represents good value.
Frequently Asked Questions
Will these batteries fit my CP200 radio?
Yes; the pack is listed as a replacement for OEM numbers compatible with CP200 and several other Motorola models.
Do the packs include belt clips?
Yes; a matching belt clip is provided with each battery in the 2-pack.
Is this battery chemistry Ni-Mh or lithium?
These are Ni-Mh cells with 1800 mAh capacity and a rated 7.5V output.
Editor's Take
The PROMAXPOWER 2-pack delivers reliable 7.5V, 1800 mAh Ni-Mh power and durable cases, making it a practical, cost-effective OEM replacement for compatible Motorola two-way radios.

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