{"product_id":"braun-freecontrol-1715-replacement-battery-12v-700mah-ni-mh","title":"Braun FreeControl 1715 Replacement Battery 1.2V 700mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eBraun FreeControl 1715 \/ 1735 \/ 1775 Series — 1.2V Ni-MH Replacement Battery (4HGAE-LFU)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 1.2V, 700mAh Ni-MH replacement battery for the Braun FreeControl shaver range, including the 1715, 1735, 1775, and 5727 models. It replaces OEM part numbers 4HGAE-LFU, HR-4U, and AAA HR-4U. The cell measures 43.50 × 10.50 × 10.30mm and fits the internal battery bay without modification.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFreeControl series compatibility:\u003c\/strong\u003e\n    The 1715, 1735, 1775, and 5727 all run on the same 1.2V single-cell Ni-MH configuration with a shared connector and housing footprint. One replacement cell covers the full group.\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 the FreeControl platform. The shaver's motor controller accepted the cell without fault, and the charge indicator tracked normally from flat to full across multiple cycles.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003ePost-cleaning dry time before charging:\u003c\/strong\u003e\n    The FreeControl housing is rinseable, but water sitting in the charging port bridges the contacts and triggers a protection fault the shaver reports as a dead battery. After any wet clean, leave the shaver port-side down for at least 30 minutes before docking.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eCapacity fade from daily partial charging on the FreeControl\u003c\/h3\u003e\n\n  \u003cp class=\"bpw-desc-p\"\u003eNi-MH cells in shavers are vulnerable to shallow-cycle degradation. Most users dock the shaver overnight after a single short use, meaning the cell never fully depletes before the next charge begins. Over weeks, this compresses the usable voltage window the cell operates in. The charge indicator starts reading full after only a brief top-up, while actual stored capacity has dropped well below 700mAh. Running the cell to near-empty before charging resets this drift and recovers usable capacity.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eMotor speed dropping before the low-battery indicator activates\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThis happens when the cell's internal resistance rises with age — voltage sags under the motor's load before it falls low enough to trip the BMS cutoff or trigger the indicator. The shaver feels sluggish or loses cutting speed while the indicator still shows charge remaining. The fault is the cell, not the motor or circuitry. Replace the cell and confirm resting voltage reads at or above 1.2V before first use.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43416126554202,"sku":"BWCS-BRC715SL-1","price":28.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43416126586970,"sku":"BWCS-BRC715SL-2","price":33.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43416126619738,"sku":"BWCS-BRC715SL-3","price":36.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-BRC715SL-1.webp?v=1779760312","url":"https:\/\/batteryweb.com\/products\/braun-freecontrol-1715-replacement-battery-12v-700mah-ni-mh","provider":"BatteryWeb","version":"1.0","type":"link"}