{"product_id":"logitech-981-001151-replacement-battery-37v-350mah-li-polymer","title":"Logitech 533-000214 Wireless Headset Replacement Battery 3.7V 350mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eLogitech 981-001151 Series — 3.7V Li-Polymer Replacement Battery (533-000214)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 3.7V, 350mAh Li-Polymer battery built to fit the Logitech 981-001151 wireless headset and related models including 981-001298, 981-001303, and 981-001310. It matches the OEM part number 533-000214 and uses the same slim 41.70 x 39.40 x 4.70mm cell profile as the factory pack. When the original cell degrades, this swap restores full wireless audio and headset controls.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMulti-model fit across the 981-00 series:\u003c\/strong\u003e\n    These headsets share the same base station charging contacts, BMS handshake protocol, and 3.7V cell footprint. One battery services the full range without modification.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We cycled this cell through the base station charging circuit and confirmed the BMS completed its full handshake sequence. The protection circuit triggered correctly at low-voltage threshold and recharged without error flags.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eFirst charge in the base station:\u003c\/strong\u003e\n    Seat the headset in the base and run a full uninterrupted charge cycle before use. DECT headsets need the base to log the new cell before the talk-time indicator reads accurately — skipping this step causes the display to misreport charge state for several sessions.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eVoltage sag under combined audio and DECT radio draw\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThe 981-001151 drives both audio processing and the DECT radio transmitter from the same 3.7V cell. At peak transmission the combined draw briefly spikes above steady-state current. A worn or storage-voltage cell cannot hold the rail steady during that spike, which causes the headset to cut out or reset mid-call. A fresh cell at full charge maintains the voltage rail through those peaks without dropout.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eBase station shows full charge but headset cuts off after short use\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eA new cell ships at storage voltage — typically around 3.6V — not at full 4.2V. The base station reads the cell as charged before it has completed a true full cycle, so the charge indicator turns green early. The headset then runs on a partially charged pack and cuts off sooner than expected. Seat the headset in the base for a complete uninterrupted charge cycle; after that first full cycle the base-to-headset charge state reporting aligns correctly.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43428099883098,"sku":"BWCS-LGH533SL-1","price":35.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43428099915866,"sku":"BWCS-LGH533SL-2","price":41.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43428099948634,"sku":"BWCS-LGH533SL-3","price":45.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-LGH533SL-1.webp?v=1779934061","url":"https:\/\/batteryweb.com\/products\/logitech-981-001151-replacement-battery-37v-350mah-li-polymer","provider":"BatteryWeb","version":"1.0","type":"link"}