Skip to product information
1 of 6

ACCESSORIES-MALL

1-Year Warranty
60-Day Money Back
Deliver Worldwide

OEM KNB-78L Battery Replacement for Kenwood

OEM KNB-78L Battery Replacement for Kenwood

Regular price $39.99
Regular price Sale price $39.99
Sale Sold out
Shipping calculated at checkout.
PCS
US Shipping: USPS. (Normally 2-7 Business Days)
Quantity
visa master paypal america express

OEM KNB-78L Battery for Kenwood TK-2173 TK-2360 TK-3140 TK-3148 TK-3170 Two-Way Radios

Keep your Kenwood two-way radio operating at its best with the OEM KNB-78L replacement battery. Designed for reliable communication in professional, industrial, security, and commercial environments, this high-performance battery delivers stable power output, dependable runtime, and long-lasting durability.

Built with premium Grade A lithium-ion cells, the KNB-78L battery provides consistent energy delivery and efficient charging performance, helping your radio stay powered throughout the workday. Whether you're replacing an aging battery or adding a spare to your equipment kit, this OEM-compatible battery offers an excellent combination of reliability, performance, and value.

Engineered for seamless compatibility with multiple Kenwood radio models, the KNB-78L ensures a secure fit and dependable operation when clear communication matters most.


Product Description

The OEM KNB-78L battery is designed as a direct replacement for compatible Kenwood portable radios, providing reliable power for daily communication needs. Featuring high-quality lithium-ion cells and advanced protection circuitry, it delivers stable performance while helping extend battery service life.

Ideal for security teams, event staff, construction crews, warehouse operations, and business communications, this Kenwood radio battery offers dependable performance in demanding environments.


Technical Specifications

Parameter Specification
Battery Model KNB-78L / KNB-78LM
Chemistry Lithium-Ion (Li-ion)
Voltage 7.4 V
Capacity 2860 mAh (Typical) / 22 Wh
Cell Quality Premium Japanese/Tier-1 internal cells
IP Rating IP67 Dust and Water Resistant (when mated to compatible radio)
Operating Temperature -20°C to +60°C (-4°F to +140°F)

Core Performance Features

  • Extended Shift Life: The 2860mAh high-capacity configuration provides up to 14–18 hours of typical duty cycle operation, eliminating the need for mid-shift swaps.

  • No Memory Effect: Premium Lithium-Ion chemistry allows you to top off the battery at any charge state without degrading its long-term storage capacity.

  • Rugged Housing: Polycarbonate impact-resistant casing provides excellent structural durability against drops, vibrations, and punctures in harsh work conditions.

  • Gold-Plated Contacts: Precision engineered contacts resist oxidation and corrosion, ensuring seamless conductivity and preventing sudden power dropouts.

Complete Compatibility Matrix

This battery pack is fully compatible with an extensive lineup of Kenwood NX and TK series analog/digital portable two-way radios, as well as multi-unit rapid chargers.

Supported Kenwood Radios

  • TK Series: TK-2140, TK-2148, TK-2160, TK-2168, TK-2170, TK-2170M, TK-2173, TK-2360

  • TK Series (UHF): TK-3140, TK-3148, TK-3160, TK-3168, TK-3170, TK-3173, TK-3178, TK-3360

  • NX Series: NX-220, NX-320, NX-420, NX-3200, NX-3220, NX-3230, NX-3300, NX-3320, NX-3330, NX-3400, NX-3420

Cross-Compatible Battery Part Numbers

Directly replaces or upgrades the following Kenwood battery profiles:

  • KNB-24L, KNB-35L, KNB-55L, KNB-57L, KNB-79LC


Why Choose This KNB-78L Battery?

If you rely on your two-way radio for clear and dependable communication, choosing a quality replacement battery is essential. This OEM KNB-78L battery is built to provide consistent performance, reliable runtime, and long-term durability for professional communication systems.

Compared with lower-quality alternatives, it offers better compatibility, improved charging efficiency, and enhanced safety protection, making it a smart and cost-effective choice for maintaining your Kenwood radio fleet.

View full details
  • Guaranteed to be brand new

    The batteries we sell are all brand-new ones. We do not offer refurbished or used batteries.Quality is king, and integrity is the foundation.

  • 1-Year Warranty

    Our high-performance batteries offer reliable power, free replacement service, and fast worldwide shipping.

  • 60-Day Return Guarantee

    Enjoy a 60-Day Return Guarantee with free exchange or full refund.Fast shipping, and easy returns.

  • 24/7 Friendly Support

    Our 24/7 friendly customer support ensures fast help, technical guidance, and order assistance whenever you need it.

OEM KNB-78L Battery for Kenwood TK-2173 TK-2360 TK-3140 TK-3148 TK-3170 Two-Way Radios

Keep your Kenwood two-way radio operating at its best with the OEM KNB-78L replacement battery. Designed for reliable communication in professional, industrial, security, and commercial environments, this high-performance battery delivers stable power output, dependable runtime, and long-lasting durability.

Built with premium Grade A lithium-ion cells, the KNB-78L battery provides consistent energy delivery and efficient charging performance, helping your radio stay powered throughout the workday. Whether you're replacing an aging battery or adding a spare to your equipment kit, this OEM-compatible battery offers an excellent combination of reliability, performance, and value.

Engineered for seamless compatibility with multiple Kenwood radio models, the KNB-78L ensures a secure fit and dependable operation when clear communication matters most.


Product Description

The OEM KNB-78L battery is designed as a direct replacement for compatible Kenwood portable radios, providing reliable power for daily communication needs. Featuring high-quality lithium-ion cells and advanced protection circuitry, it delivers stable performance while helping extend battery service life.

Ideal for security teams, event staff, construction crews, warehouse operations, and business communications, this Kenwood radio battery offers dependable performance in demanding environments.


Technical Specifications

Parameter Specification
Battery Model KNB-78L / KNB-78LM
Chemistry Lithium-Ion (Li-ion)
Voltage 7.4 V
Capacity 2860 mAh (Typical) / 22 Wh
Cell Quality Premium Japanese/Tier-1 internal cells
IP Rating IP67 Dust and Water Resistant (when mated to compatible radio)
Operating Temperature -20°C to +60°C (-4°F to +140°F)

Core Performance Features

  • Extended Shift Life: The 2860mAh high-capacity configuration provides up to 14–18 hours of typical duty cycle operation, eliminating the need for mid-shift swaps.

  • No Memory Effect: Premium Lithium-Ion chemistry allows you to top off the battery at any charge state without degrading its long-term storage capacity.

  • Rugged Housing: Polycarbonate impact-resistant casing provides excellent structural durability against drops, vibrations, and punctures in harsh work conditions.

  • Gold-Plated Contacts: Precision engineered contacts resist oxidation and corrosion, ensuring seamless conductivity and preventing sudden power dropouts.

Complete Compatibility Matrix

This battery pack is fully compatible with an extensive lineup of Kenwood NX and TK series analog/digital portable two-way radios, as well as multi-unit rapid chargers.

Supported Kenwood Radios

  • TK Series: TK-2140, TK-2148, TK-2160, TK-2168, TK-2170, TK-2170M, TK-2173, TK-2360

  • TK Series (UHF): TK-3140, TK-3148, TK-3160, TK-3168, TK-3170, TK-3173, TK-3178, TK-3360

  • NX Series: NX-220, NX-320, NX-420, NX-3200, NX-3220, NX-3230, NX-3300, NX-3320, NX-3330, NX-3400, NX-3420

Cross-Compatible Battery Part Numbers

Directly replaces or upgrades the following Kenwood battery profiles:

  • KNB-24L, KNB-35L, KNB-55L, KNB-57L, KNB-79LC


Why Choose This KNB-78L Battery?

If you rely on your two-way radio for clear and dependable communication, choosing a quality replacement battery is essential. This OEM KNB-78L battery is built to provide consistent performance, reliable runtime, and long-term durability for professional communication systems.

Compared with lower-quality alternatives, it offers better compatibility, improved charging efficiency, and enhanced safety protection, making it a smart and cost-effective choice for maintaining your Kenwood radio fleet.

Battery Capacity 2000mAh/14.8Wh
Voltage 7.4V
Model No KNB-57LI
Warranty 1 Year
🔒 Secure Payment
🚚 Fast Global Shipping
🛡 12-Month Warranty
📩 24×7 Support
✓ UN38.3 certified · CE compliant · RoHS compliant · Safe for air shipping
UN38.3 Certified, CE Compliant, RoHS Compliant, Safe for Air Shipping

🔋 Lithium-Ion Battery Conditioning

For optimal electrochemical performance, new lithium-ion batteries should undergo 2–3 complete charge and discharge cycles before reaching full capacity.

This stabilization phase allows the internal cell chemistry to achieve balanced ion distribution, ensuring maximum runtime, stable voltage output, and extended cycle life.

After this initial conditioning period, no further full discharge cycles are required.

✅ Quality Issue – Free Return & Replacement

🛡 Premium Warranty Protection

  • 12-Month Limited Manufacturer Warranty
  • 60-Day No-Hassle Money Back Guarantee
  • Up to 60 Days Refund Window (Policy Based)
  • Replacement for defective or misrepresented items
  • Dedicated customer service response within 24 hours

View Full Warranty Policy →

🚚 Professional Shipping Standards

  • Orders processed within 24 business hours (excluding weekends & holidays)
  • Real-time tracking number provided upon dispatch
  • Transit time varies by region and logistics carrier
  • Please verify your shipping address before order confirmation
  • Address changes are not possible once shipment is dispatched

Shipping Policy Details →

📌 Product-Specific Notice

US Shipping: USPS. (Normally 2-7 Business Days)

📩 Customer Care Commitment

We are committed to delivering professional-grade battery solutions and responsive after-sales service. If you experience any issues, please contact our support team before leaving feedback.

Contact Customer Support →

✓ Safety & Quality Assurance

  • Certified to CE, RoHS, UN38.3 international safety standards.
  • Built-in protection against overcharging, overheating, and short circuits.
  • Shipped in compliance with IATA regulations for lithium batteries.
  • Compatible with OEM chargers. No firmware modification required.

Questions about compatibility? Contact us with your device model number before ordering.

CC

Cao Chuanping

Power Systems Consultant · 8+ years in replacement battery sourcing & evaluation · View profile →

Disclaimer:
All batteries sold on accessories-mall.com are replacement parts. accessories-mall.com doesn't affiliate with any of the original manufacturers. Any registered trademarks or model names listed above are identified as purposes of showing compatibility only.