{"product_id":"telrad-3040-replacement-battery-36v-700mah-ni-mh","title":"Telrad 3040 Cordless Phone Replacement Battery 3.6V 700mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eTelrad 3040 — 3.6V Ni-MH Replacement Battery\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 3.6V, 700mAh Ni-MH battery for the Telrad 3040 cordless telephone handset. It replaces the original cell when the handset no longer holds charge or drops calls due to voltage sag. Dimensions are 45.00 × 31.10 × 10.50mm — confirm against your current cell before ordering.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTelrad 3040 handset fit:\u003c\/strong\u003e\n    The 3040 handset runs a single-cell 3.6V Ni-MH pack at this exact footprint. The connector orientation and cell dimensions match the original bay, so no modification is needed to seat the pack.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We cycled this pack through charge and discharge on a Ni-MH-compatible test rig. The cell accepted a full charge without thermal runaway and held voltage above 3.3V through the discharge curve.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eFirst-charge conditioning on Ni-MH handsets:\u003c\/strong\u003e\n    After installing, place the handset in the base for a full 16-hour charge before first use. Ni-MH cells in cordless phones are shipped in a partially discharged state. Skipping this step leaves capacity on the table for the first several cycles.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eBase station showing no charge light after fitting new Ni-MH pack\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eNi-MH cells stored for months can drop below 3.0V. Some Telrad base stations look for a minimum voltage on the charge contacts before starting the charge cycle — if the cell arrives too depleted, the base reads it as absent or faulty and shows no charge indicator. The fix is a brief trickle charge using a standalone Ni-MH charger to bring the cell above the acceptance threshold. Once the pack reaches approximately 3.2V, reseat the handset in the base and the charge light should activate normally.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eTalk time shorter than expected after the first few charges\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eNi-MH cells do not deliver rated capacity from cycle one. The 700mAh rating is reached after three to five full charge-discharge cycles — this is normal electrochemical behaviour, not a defect. Each full cycle builds crystalline structure in the cell and increases usable capacity incrementally. Run three complete discharge-and-recharge cycles with the handset used until it prompts a low-battery warning, then returned to the base for a full charge.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43339924865114,"sku":"BWCS-NTL743CL-1","price":22.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43339924897882,"sku":"BWCS-NTL743CL-2","price":25.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43339924930650,"sku":"BWCS-NTL743CL-3","price":27.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-NTL743CL_1.webp?v=1778367002","url":"https:\/\/batteryweb.com\/products\/telrad-3040-replacement-battery-36v-700mah-ni-mh","provider":"BatteryWeb","version":"1.0","type":"link"}