4-Pack 2000 mAh 7.4V Li-ion Battery for KENWOOD TK-280 TK-380 TK-190 TK-290 TK-390 TK-480 TK-481 TK-4100 TK-5400 — KNB-16/16A/16L KNB-17/17A KNB-21/21N KNB-22/22N

Find more Ink Cartridges, Digital Voice, Art, Batteries and other accessories you want at DDONG PLUS. About Packages: 1 pc x knb16/knb17/knb22/knb17a battery are included in the package. Compatible Models: Compatible with KENWOOD TK-280, TK-380, TK-190, TK-290, TK-390, TK-480, TK-481, TK-5400, TK-4100 and battery models KNB-16, KNB-17, KNB-22, KNB-17A, KNB-16A, KNB-16L, KNB-21, KNB-21N, KNB-22N (please contact us if you are unsure about your radio model — we will help).

Built for reliability and safety: This KNB-22 / KNB-17A style Li-ion replacement offers higher capacity while matching the original battery’s size and thickness. It uses premium grade A++ battery cells, a high quality Aluminum Casing and an integrated Smart IC chip. Each cell is inspected under strict QC procedures to ensure it endures 800+ charge cycles.

The battery’s built-in microchip protects against over-charging, over-discharging, short circuits, and overheating. Customer Service: If you have any questions or encounter issues with the product or delivery, contact us anytime. Our technical team and customer service promise a satisfactory resolution within 24 hours. We handle all quality-related problems with a REPLACEMENT or REFUND.

Important Attention: Units may be shipped with little or no charge. If the radio does not power on, please fully charge the battery first. For best long-term performance, fully drain and then fully charge the battery for the first 3 charging/discharging cycles.