Kenwood KNB-33L Replacement Li-Ion Battery by Amstron is designed for use with TK2180, TK3180, TK5210, and TK5310 2-way radio models. Amstron batteries are precision-engineered and rigorously tested for voltage, capacity, compatibility and safety to meet original equipment manufacturer specifications. Amstron 2-way batteries are made with high quality Sanyo cells. Designed to replace battery part-number KNB-33L.
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