{"product_id":"telex-tr-800-replacement-battery-72v-2000mah-ni-mh","title":"Telex TR-800 Replacement Battery BP-700NM 7.2V 2000mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eTelex TR-800 \/ TR-825 Series — 7.2V Ni-MH Replacement Battery (BP-700NM \/ BP-800NM)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis 7.2V, 2000mAh Ni-MH battery replaces the BP-700NM and BP-800NM packs in the Telex TR-800 wireless headset system. It also fits the TR-825, TR-700, and TR-1, plus three additional models in the same family. The cell block and connector match the original factory configuration.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTR-800 family compatibility:\u003c\/strong\u003e\n    The TR-800, TR-825, TR-700, and TR-1 all share the same 7.2V Ni-MH cell format and base-station charging interface. Telex standardised this across the range so the same pack works in each cradle without modification.\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 in a TR-800 base station and confirmed the BMS handshake completed correctly. The base registered the pack, moved through the charge stages, and held at the expected float voltage without fault indication.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eFirst-cycle base station protocol:\u003c\/strong\u003e\n    On first use, seat the headset in the base station and let it complete one full uninterrupted charge before making a call. The TR-800 base logs the new cell during this cycle — skipping it causes the talk-time indicator to report inaccurately until the logging completes.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eBase station not recognising the new pack after swap\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThe TR-800 base station uses a cell-recognition handshake during the initial charge cycle. If the pack was inserted while the base was powered off, or removed before the first cycle completed, the base may show no charge activity or a fault LED. Remove the headset, power-cycle the base by unplugging it for 30 seconds, then reseat the headset. The handshake restarts from scratch and the base should begin charging within two minutes.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eHeadset cutting out mid-call on a freshly charged pack\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThe TR-800 headset draws current from two loads simultaneously — the audio circuit and the DECT radio transmitter. During active transmission, this combined draw can cause a momentary voltage sag that triggers the pack's low-voltage protection, even when the cell is not empty. This most often appears in the first three charge cycles, before the Ni-MH cells have reached full capacity. Run three complete charge-and-discharge cycles through the base station and the sag threshold will stabilise.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43428134518874,"sku":"BWCS-TTR800SL-1","price":42.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43428134551642,"sku":"BWCS-TTR800SL-2","price":49.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43428134584410,"sku":"BWCS-TTR800SL-3","price":54.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-TTR800SL-1.webp?v=1779934245","url":"https:\/\/batteryweb.com\/products\/telex-tr-800-replacement-battery-72v-2000mah-ni-mh","provider":"BatteryWeb","version":"1.0","type":"link"}