Reliable Li-Ion Power ExpertPower 7.4V 1800mAh lithium-ion battery delivers consistent, long-lasting performance for two-way radio communication. ^^ Kenwood-Compatible Replacement Designed to replace KNB-63, KNB-63L, KNB-63Li, KNB-65L, and KNB-65Li batteries. Compatible with Kenwood TK-2000, TK-2000K, and TK-3000 radios. ^^ Advanced Lithium-Ion Technology Built with high-quality Li-Ion cells for improved energy density, lightweight design, and no memory effect. ^^ Cost-Effective OEM Alternative Non-OEM replacement that matches or exceeds original manufacturer specs in voltage, capacity, and reliability. ^^ Use with Li-Ion Compatible Chargers Only Please confirm your charger is compatible with lithium-ion batteries for safe and effective charging.