PROMAXPOWER 6-Pack 1800mAh KNB-14/15/20 Replacement Batteries

In this review the PROMAXPOWER 6-Pack 1800mAh KNB-14, KNB-15, KNB-20 batteries are examined for users who need dependable spare power for Kenwood two-way radios. The bottom line is simple: this pack is for professionals and hobbyists who rely on radios like the TK-270, TK-2100 and TK-3100 series and want a consistent, long-lasting swap battery solution. The review focuses on build quality, charging safety, and real-world usefulness when carrying multiple backup cells during extended shifts or field work.

Key Features

• Top tier cells: High-quality cells provide steady capacity so radios retain usable runtime between charges during long shifts.
• True-to-specs capacity: The stated 1800mAh rating means predictable performance that matches expectations for replacement packs.
• Durable shell case: A strong casing withstands drops and handling in demanding environments, reducing the chance of physical failure.
• Integrated chipboard: Built-in charge/discharge protection helps prevent overcharge and supports safer battery cycling with chargers that observe pack electronics.
• Solid conductive plates: Reliable contact plates promote consistent charging and reduce intermittent connections that can leave a pack undercharged.

Who It's For

These replacement batteries suit two-way radio users who need multiple spares for long shifts, events, or remote work where access to charging is limited. Security teams, event staff, outdoor crews, and amateur radio operators using Kenwood TK-270, TK-2100, TK-3100 series radios will appreciate having a six-pack of like-for-like cells.

Users who require factory OEM styling, specific branded warranty coverage, or manufacturer-certified packs may prefer buying directly from the radio maker; this pack is best for those prioritizing dependable, cost-effective backup capacity rather than OEM labeling.

Pros & Cons

Pros

• Consistent 1800mAh capacity offers reliable runtime comparable to original packs.
• Durable case construction reduces the risk of damage from everyday drops and carry.
• Integrated protection electronics provide safer charge and discharge cycles.
• Six-pack format gives multiple spares for extended operations or team use.

Cons

• Not an OEM-branded battery, so some users who require factory certification may prefer alternatives.
• Exact runtime will vary by model and radio usage, so expectations should be adjusted for heavy transmit cycles.

Specifications

Brand	PROMAXPOWER
Pack Quantity	6-Pack
Capacity	1800mAh
Compatible Models	Kenwood TK-270, TK-2100, TK-3100, TK-3102, TK-3107, TK-360
Protection	Integrated chipboard for safe charge/discharge
Construction	Strong, durable shell case with solid conductive plates

Our Verdict

The PROMAXPOWER 6-Pack 1800mAh replacement batteries are a practical value for anyone needing multiple dependable spares for Kenwood two-way radios. Their reliable cells, protective electronics, and sturdy casing make them a sensible choice for extended field work or team deployments, offering consistent runtime at a lower cost than buying individual OEM packs.

Frequently Asked Questions

Will these fit my Kenwood TK-3100 radio?
Yes, the pack is listed as compatible with TK-3100 series radios including TK-3100 and TK-3102 models.

Do these batteries include protection circuitry?
Yes, the cells include an integrated chipboard for safer charge and discharge behavior.

How many batteries come in a set?
This product is sold as a 6-Pack to provide multiple spare batteries for extended use.