{"product_id":"kenwood-nx-200s-replacement-battery-74v-1800mah-li-ion","title":"Kenwood NX-200S Replacement Battery KNB-33L 7.4V 1800mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eKenwood NX-200S \/ NX-300S Series — 7.4V Li-ion Replacement Battery (KNB-33L)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis 7.4V, 1800mAh Li-ion battery replaces the KNB-33L, KNB-41NC, and KNB-54N packs across Kenwood's NX-series portable radio lineup. It fits the NX-200S, NX-210, NX-300S, and NX-410, among others. Voltage and connector match the original spec — no adapters, no modification.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eNX-200S \/ NX-300S platform fit:\u003c\/strong\u003e\n    These models share a common battery bay geometry and 7.4V nominal voltage rail. The KNB-33L form factor and contact layout carry across the NX-200 and NX-300 sub-variants, which is why one SKU covers both series without hardware changes.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We ran this pack through a full charge cycle and PTT stress test on the NX-200S. The BMS held steady through repeated transmit bursts without tripping overcurrent protection, and the charger dock accepted the pack after a single clean contact cycle.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eDock insertion on first use:\u003c\/strong\u003e\n    If the charger shows a fault LED on first insertion, remove the pack, wipe the gold contact strip with a dry cloth, and reseat firmly. The Kenwood NX-series dock requires a clean contact cycle to complete the BMS handshake before it begins charging.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eWhy the NX-200S cuts out mid-transmission on a fresh pack\u003c\/h3\u003e\n\n  \u003cp class=\"bpw-desc-p\"\u003eA new Li-ion cell ships at storage voltage — typically around 3.7–3.8V per cell, not the 4.2V peak of a full charge. When you key up on a radio at storage voltage, the transmit current spike can push the BMS into temporary overcurrent cutoff. The radio drops the transmission, then recovers within seconds. This is not a fault — it is the BMS protecting an undercharged cell. Charge the pack fully before your first transmission and the cutout stops.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eBar indicator reads one fewer bar than expected after swap\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThe NX-series uses a simple voltage-threshold bar indicator — each bar maps to a voltage band, not a calibrated capacity reading. A new pack at storage voltage sits at the lower end of the threshold curve, so the radio displays fewer bars than the pack actually holds. This is not a defective cell. Put the pack on charge until the dock goes green, then insert it — the indicator will read correctly at 8.4V full charge.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43426341912666,"sku":"BWCS-KNB330TW-1","price":43.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43426341945434,"sku":"BWCS-KNB330TW-2","price":50.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43426341978202,"sku":"BWCS-KNB330TW-3","price":55.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-KNB330TW-1.webp?v=1779930783","url":"https:\/\/batteryweb.com\/products\/kenwood-nx-200s-replacement-battery-74v-1800mah-li-ion","provider":"BatteryWeb","version":"1.0","type":"link"}