{"product_id":"motorola-t180-replacement-battery-36v-850mah-ni-mh","title":"Motorola T180 Replacement Battery AANN4012A 3.6V 850mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eMotorola T180 Series — 3.6V Ni-MH Replacement Battery (AANN4012A)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 3.6V, 850mAh Ni-MH replacement battery for the Motorola T180, T180e, T182, and T300 mobile phones. It replaces the original AANN4012A cell when the existing battery no longer holds a usable charge. The cell matches the original voltage and physical dimensions, so it seats correctly in the battery compartment.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eT180, T180e, T182, and T300 compatibility:\u003c\/strong\u003e\n    These four models share the same battery bay geometry, connector orientation, and 3.6V single-cell Ni-MH power rail. The AANN4012A form factor covers all four 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 full discharge and recharge on a T180 unit. The phone accepted the cell without error, and the charge circuit completed a full cycle without interruption.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eNi-MH first-cycle conditioning:\u003c\/strong\u003e\n    Ni-MH cells are sensitive to partial charging early in their life. Run two full discharge-to-charge cycles before using the phone heavily — this prevents the memory effect from locking the cell into a shortened capacity range from day one.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eWhy the T180 reports the wrong battery percentage after a cell swap\u003c\/h3\u003e\n\n  \u003cp class=\"bpw-desc-p\"\u003eThe T180's fuel gauge is calibrated to the discharge curve of the original cell. A new Ni-MH cell has a slightly different voltage-versus-capacity profile, so the gauge reads inaccurately until it relearns. This shows up as the percentage jumping erratically or plateauing at an incorrect value. Run one full discharge from 100% down to automatic shutoff, then charge uninterrupted to 100% — the gauge recalibrates against the new cell's actual curve during that cycle.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eSudden shutdown at 15–25% battery remaining on the replacement cell\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eNi-MH cells have a relatively flat discharge curve that drops steeply at end of life. Under load from a call or active screen, the cell voltage can cliff suddenly below the phone's minimum operating threshold — typically around 3.0V — even when the gauge still shows charge remaining. This is a fuel gauge calibration lag, not a faulty cell. A full discharge-recharge cycle resets the gauge reference point and eliminates most premature shutdowns.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43409512300634,"sku":"BWCS-MOT180SL-1","price":24.99,"currency_code":"USD","in_stock":false},{"title":"Warranty 2 Year","offer_id":43409512333402,"sku":"BWCS-MOT180SL-2","price":27.99,"currency_code":"USD","in_stock":false},{"title":"Warranty 3 Year","offer_id":43409512366170,"sku":"BWCS-MOT180SL-3","price":29.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-MOT180SL-1.webp?v=1779579852","url":"https:\/\/batteryweb.com\/products\/motorola-t180-replacement-battery-36v-850mah-ni-mh","provider":"BatteryWeb","version":"1.0","type":"link"}