The Kenwood KNB-57L is the industry-standard Lithium-Ion battery designed for a wide range of Kenwood’s most popular commercial portable radios. From the modern NX-3000 Series to the legendary NX-220/320 and TK-Series, this battery delivers the perfect balance of lightweight ergonomics and all-day power.
With a 2000mAh capacity, this genuine accessory ensures your team stays connected through long shifts without the bulk of older battery technologies. Unlike cheaper aftermarket alternatives, genuine Kenwood batteries are engineered to meet strict safety standards and maintain their charge cycle life for years, not just months.
Why Choose Genuine Kenwood?
- Perfect Fit: Guaranteed to latch securely onto your radio chassis, maintaining the water and dust ingress protection rating (IP Rating) of your device.
- Smart Safety: Built-in overcharge and short-circuit protection circuits prevent overheating and swelling, keeping your staff safe.
- No Memory Effect: Lithium-Ion chemistry allows you to top-up the charge at any time - whether it’s half-full or empty - without permanently reducing the battery’s capacity.
Key Features
- High Capacity: 2000mAh / 7.4V provides extended talk-time for 8-12 hour shifts.
- Lightweight Design: Weighing only ~115g, it reduces operator fatigue compared to older Ni-MH batteries.
- Wide Compatibility: One battery fits multiple generations of radios, simplifying fleet management.
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Rapid Charge Capable: Compatible with Kenwood KSC-25 and KSC-25LS rapid chargers for fast turnaround times.
Compatibility Guide
The KNB-57L is the designated standard battery for the following Kenwood handheld radios:
Modern Digital Series (NX-3000):
- NX-3200 (VHF)
- NX-3300 (UHF)
- NX-3220 (2-pin)
- NX-3320 (2-Pin)
Legacy Digital Series (NX-20/30):
- NX-220 (VHF)
- NX-320 (UHF)
- NX-420 (800MHz)
Analogue Commercial Series (TK):
- TK-2160 / TK-3160
- TK-2170 / TK-3170
- TK-2360 / TK-3360
- TK-2140 / TK-3140
- TK-3173
Compatible Chargers:
- Single Unit: KSC-25LS / KSC-25S
- Multi-Unit: KSC-256 or KSC-526K (with KSC-52PC pocket)
- Vehicle: KVC-23
