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Rectangular black lithium-ion two-way radio battery pack

BatteryJack inc.

BatteryJack inc. 2600mAh 7.4V Li-Ion Battery KNB-47 KNB-48L fits Kenwood TK-5220 TK-5320 NX-200 NX-300

SKU CH-FS7Q-54XT9

Replacement lithium-ion battery rated 7.4 V, 2600 mAh for Kenwood TK-5220, TK-5320, NX-200 and NX-300 radios

  • Product typeAccessories (Battery)
  • 2600mAh capacity extends talk time on Kenwood NX-200 and NX-300 radios
  • 4V lithium-ion chemistry matches OEM KNB-47 and KNB-48L specifications
  • Replaces original Kenwood battery part numbers 47, 47L, 48, 48L directly
  • 18-month free replacement warranty covers cells and casing components
  • Manufacturer plant ISO9002 certified with over 95 years combined battery experience

Compatible Kenwood Radio Models

This 7.4V 2600mAh lithium-ion battery replaces OEM packs KNB-47, KNB-47L, KNB-48 and KNB-48L. It fits Kenwood TK-5220, TK-5320, NX-200 and NX-300 two-way radios. The pack is built with high-grade cells and the manufacturer holds ISO9002 certification.

Thermal and Power Behaviour

Lithium-ion chemistry delivers stable voltage across the discharge cycle with minimal self-heating during normal transmit and receive duty. No active cooling is required and the sealed casing prevents electrolyte leakage in marine environments.

Upgrade Context and Limitations

The pack replaces original Kenwood batteries that have lost capacity or no longer hold a charge. It is not suited for radios outside the listed TK-5220, TK-5320, NX-200 or NX-300 series, nor for users needing a different voltage or connector type.

How it compares

Measured against everything we stock in Walkie-Talkies & CB Radios, at today’s prices. Recalculated every night.

Price $19.99
Cheaper than about 83% of the 1,062 comparable items (median $34.99).

Specifications

Product
Brand nameKENWOOD
Product typeAccessories (Battery)

Questions about this item

How do I install the 2600mAh Li-Ion battery into my Kenwood TK-5220 radio, and what step do people often miss?

Slide the battery pack onto the radio chassis until the side latches click securely; the step users miss is confirming both latches are fully engaged before use.

What maintenance or replacement will this KNB-47L compatible battery need over time?

Expect gradual capacity loss after several hundred charge cycles; plan to replace the pack when run time drops below your operational needs.

What limit appears first during sustained transmit use on the NX-300 with this 7.4V pack?

Voltage sag under high-current transmit loads will trigger the radio low-battery alert before the 2600mAh capacity is fully depleted.

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