New replacement battery for: 

• KENWOOD KNB-16 / KNB-16A / KNB-17 / KNB-17A / KNB-21 / KNB-21N Radio Batteries

Features:

• USA Based brand with Warranty and Customer Service.
• Battery Type: Ni-Mh.
• 100% Compatible with original manufacturer equipment.
• Integrated microchip prevents overcharging & lengthens battery life!
• Capacity: 7.2v 1800mAh (Will NOT affect battery compatibility)
• Quantity: 1
• SKU#0310

Works in the following devices:

KENWOOD Land Mobile Radios:

• TK-190
• TK-280, TK-290,
• TK-380, TK-390
• TK-480, TK-481
• TK-5400  

Replaces the following OEM filter part numbers:

• KENWOOD # KNB-16, KNB-16A, KNB-17, KNB-17A, KNB-21, KNB-21N

NOTES:

• Please FULLY CHARGE your rechargeable batteries before first use. When in doubt, leave your batteries to charge overnight (8 hours) to ensure a full charge.
• Please FULLY CYCLE your Ni-Mh batteries (fully charge, then fully discharge them) at least once before regular use. To discharge your battery, please simply use the battery in your device as normal, but do not recharge your battery until it is complete discharged and your device no long operates.
• Please FULLY CHARGE your batteries a AGAIN after completing a cycle. Once this final cycling charge is complete, you may now use and/or charge your batteries as much or as little as needed, all without fear of creating a memory.
• DO NOT full charge your Ni-Mh batteries before storing them for long periods of time. Discharge them as much as possible first.