Replacement Vertex VXA-300 Pilot III Battery + Charger - 2 Pack
Replacement Vertex VXA-300 Pilot III Battery + Charger - 2 Pack
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In this review the reviewer evaluates the 2 Pack Replacement for Vertex VXA-300 Pilot III Battery + Charger to determine whether it is a practical swap for worn OEM packs. The bottom line: this bundle is aimed at technicians, radio fleets and frequent users who need immediate, cost-effective replacements for Vertex FNB-83 batteries and a single desktop charger. Our review found the product delivers solid runtime and a simple charging solution for NICD and NIMH radios, but it is not suitable for Lithium-Ion devices and is sold as an UpStart Battery brand replacement rather than an OEM part.
Key Features
- Compatibility: Works as a replacement for Vertex FNB-83 two-way radio batteries so radios that use that model can be brought back into service quickly.
- Quantity: Includes two batteries and one charger so users receive immediate spares for extended shifts or to rotate through multiple radios without extra purchases.
- Capacity: Each battery is rated at 1600mAh, offering a predictable runtime that matches typical NICD and NIMH performance expectations for daily radio use.
- Charger type: The package includes a dedicated charger designed specifically for NICD and NIMH chemistries so charging is straightforward and avoids compatibility guesses.
- Brand note: Sold under the Upstart Battery brand as a replacement part, clarifying it is an aftermarket option rather than an OEM product.
- Clear limitation: The charger will not charge Lithium-Ion batteries, avoiding misuse when mixed chemistries are present in a fleet.
Who It's For
The kit is best for small businesses, contractors and radio users who need an economical way to replace worn Vertex FNB-83 batteries without waiting for OEM stock. It suits shops and service vehicles that prefer keeping spare batteries on hand and need a simple, compatible charger for NICD and NIMH packs.
Users who should look elsewhere include anyone relying on Lithium-Ion battery technology or buyers who require OEM-branded warranty coverage; this is an Upstart Battery replacement and any warranty is provided solely by that brand rather than the original radio manufacturer.
Pros & Cons
Pros
- Includes two 1600mAh batteries so you get immediate backup capacity for longer duty cycles.
- Charger included simplifies fleet maintenance and removes the need to source a separate charging dock.
- Clear NICD/NIMH compatibility reduces risk of charging the wrong chemistry and damaging packs.
- Aftermarket pricing typically undercuts OEM replacements, making it a practical budget choice.
Cons
- Not an OEM product, so buyers seeking original manufacturer warranty should expect a different coverage structure.
- The charger will not charge Lithium-Ion batteries, which limits flexibility if mixed battery types are used.
Specifications
| Product type | Replacement battery pack with charger |
| Compatible models | Replacement for Vertex FNB-83 / VXA-300 Pilot III |
| Quantity | 2 batteries and 1 charger |
| Capacity | 1600mAh |
| Voltage | 7.2V |
| Chemistry | NICD and NIMH only |
| Brand | Upstart Battery (aftermarket replacement) |
Our Verdict
The 2 pack replacement with charger is a sensible, value-oriented option for users needing direct replacements for Vertex FNB-83 batteries who run NICD or NIMH radios. It is good value for maintaining small fleets or keeping spares on hand, but buyers who need OEM warranty coverage or use Lithium-Ion packs should choose a different solution.
Frequently Asked Questions
Will this charger work with Lithium-Ion batteries?
Answer. No, the included charger is designed only for NICD and NIMH batteries and will not charge Lithium-Ion packs.
Is this an OEM Vertex product?
Answer. No, this is an Upstart Battery brand replacement part and is not affiliated with the original manufacturer; any warranty comes from Upstart Battery.
How many batteries are included?
Answer. The package includes two 1600mAh batteries and one charger, providing immediate spares for extended use.
Editor's Take
This 2 pack replacement with charger is a practical, value-oriented option for restoring Vertex FNB-83 radios using NICD or NIMH cells; it provides spares and a dedicated charger but is not an OEM product and will not charge Lithium-Ion batteries.

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