{"product_id":"jacob-jensen-t10-dect-replacement-battery-37v-1200mah-li-ion","title":"Jacob Jensen T10 DECT Replacement Battery 3.7V 1200mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eJacob Jensen T10 DECT \/ T80 DECT — 3.7V Li-ion Replacement Battery\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis 3.7V, 1200mAh Li-ion cell replaces the original handset battery in the Jacob Jensen T10 DECT and T80 DECT cordless phone systems. When the factory battery degrades, the handset loses the ability to hold a charge away from the base — this cell restores that function. Dimensions are 53.20 × 34.00 × 5.70mm, matching the original battery bay.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eT10 DECT and T80 DECT compatibility:\u003c\/strong\u003e\n    Both models use the same handset form factor, voltage rail, and connector layout, so a single cell covers either unit 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 charge and discharge on a DECT handset test rig. The BMS held stable at 3.7V nominal and engaged over-charge protection correctly at the top of the charge curve.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eFirst charge after installation:\u003c\/strong\u003e\n    Place the handset in the base station and leave it for a full 16 hours before first use. Li-ion cells shipped in partial-charge storage state benefit from a complete slow charge to reach rated capacity from the start.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eTalk time shorter than expected after battery swap\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eA new Li-ion cell does not always deliver full capacity on its first discharge cycle. The cell ships in a reduced state of charge from storage, and the BMS needs one or two full charge-discharge cycles before capacity stabilises at the rated 1200mAh. Do not judge the battery after the first use. Run two complete cycles — full charge in base, handset used to low battery alert — and capacity will settle.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eHandset loses DECT pairing after battery replacement\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eRemoving the battery cuts power completely to the handset, and some DECT phones store pairing data in volatile memory backed by the battery. When that power drops to zero, the handset forgets its link to the base station. To re-pair, press and hold the pairing or registration button on the base station until the indicator flashes, then follow the handset registration prompt — the exact sequence is in the T10 or T80 manual under \"Register handset\".\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43339914805338,"sku":"BWCS-AY4020CL-1","price":22.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43339914838106,"sku":"BWCS-AY4020CL-2","price":25.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43339914870874,"sku":"BWCS-AY4020CL-3","price":27.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-AY4020CL_1.webp?v=1778366906","url":"https:\/\/batteryweb.com\/products\/jacob-jensen-t10-dect-replacement-battery-37v-1200mah-li-ion","provider":"BatteryWeb","version":"1.0","type":"link"}