{"product_id":"urc-mx-810-replacement-battery-37v-1050mah-li-ion","title":"URC MX-810 Compatible Battery 3.7V 1050mAh Li-ion NC0910","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eURC MX-810 \/ MX-880 Series — 3.7V Li-ion Replacement Battery (NC0910)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 3.7V, 1050mAh Li-ion battery that replaces part number NC0910 in the URC MX-810, MX-880, MX-950, and MX-980 programmable remote controls. It uses the same voltage and physical dimensions as the original cell — 53.20 × 35.30 × 7.10mm — so it fits the existing battery bay without modification. Swap it in when the remote starts losing range or stops responding reliably.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMX-810 through MX-980 compatibility:\u003c\/strong\u003e\n    These remotes share the same single-cell 3.7V Li-ion power architecture and the NC0910 part number across the lineup. One battery covers all four models because the connector pinout and BMS communication are identical across the series.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We ran this cell through charge and discharge cycles on the MX-880 platform. The protection circuit held at correct cutoff thresholds and the remote's firmware showed no low-battery warnings during the test window.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eSingle-cell Li-ion handling:\u003c\/strong\u003e\n    Store this remote at partial charge — around 50% — if it will sit unused for more than a few weeks. Leaving a Li-ion cell fully discharged for extended periods causes permanent capacity loss that no charging cycle can recover.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eWhy the MX-810 loses range before the battery reads empty\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThe IR LED in the MX-810 needs a consistent voltage above roughly 3.5V to fire at full output power. As the Li-ion cell ages, its internal resistance rises. The cell may still show charge but voltage sags under the brief high-current draw of an IR burst. The remote appears functional at close range but loses distance. Replace the cell when range drops noticeably — don't wait for a full dead-battery indication.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eRemote completely unresponsive after fitting the new battery\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThe most common cause is reversed polarity — the positive and negative terminals are swapped in the bay. Li-ion cells in slim remotes like the MX-810 don't always have obvious keyed connectors, and the flat profile makes it easy to seat the battery backwards. Remove the battery, check the + and − markings on both the cell and the compartment, and re-seat it with correct orientation. The remote should power on immediately at 3.7V.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43416110301274,"sku":"BWCS-MX810RC-1","price":23.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43416110334042,"sku":"BWCS-MX810RC-2","price":26.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43416110366810,"sku":"BWCS-MX810RC-3","price":28.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-MX810RC-1.webp?v=1779760313","url":"https:\/\/batteryweb.com\/products\/urc-mx-810-replacement-battery-37v-1050mah-li-ion","provider":"BatteryWeb","version":"1.0","type":"link"}