{"product_id":"canon-vixia-hf-m52-replacement-battery-36v-4450mah-li-ion","title":"Canon BP-745 VIXIA HF M52 Replacement Battery 3.6V 4450mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eCanon VIXIA HF M52 \/ HF M50 Series — 3.6V Li-ion Replacement Battery (BP-745)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 3.6V, 4450mAh Li-ion replacement for the Canon BP-745 battery. It fits the VIXIA HF M52, HF M50, HF M500, and HF M506, along with 12 additional Canon VIXIA models. Capacity matches the original OEM specification at 16.02Wh.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eVIXIA HF M-series compatibility:\u003c\/strong\u003e\n    These camcorders share the same BP-700 series battery bay, connector pinout, and BMS handshake protocol. The BP-745 slot accepts this cell without modification across the full HF M50\/M500 generation.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We cycled this cell through the Canon VIXIA body charger and standalone BP-700 series dock. The BMS accepted the cell on the first charge cycle and reported remaining capacity without fault flags.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eFirst-use charge cycle on Canon camcorders:\u003c\/strong\u003e\n    Insert the battery and run a full charge via the Canon charger or camera body before recording. Canon's BMS calibrates the battery-remaining indicator against the cell's discharge curve during that initial cycle — skipping it can cause the display to read inaccurately for the first several uses.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eWhy the VIXIA HF M52 rejects a new BP-745 cell on first install\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eCanon's VIXIA BMS runs an authentication check when it sees a new cell. If the resting voltage sits outside the expected acceptance window — typically below 3.2V after storage — the camera may flag it as incompatible or refuse to power on. This is not a faulty cell. Placing the battery in the Canon charger first, rather than the camera body, bypasses the cold-start rejection. Once the cell reaches approximately 3.6V, the camera body will accept it and the error clears.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eBattery percentage jumping erratically on the VIXIA display\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThis happens when the camera's fuel gauge hasn't yet mapped its voltage-threshold table to the new cell's discharge curve. The OEM BMS uses stored data from previous cells — a replacement cell with a slightly different curve causes the indicator to skip steps. One complete charge-to-full, record-to-low cycle forces the camera to re-map. After that cycle, the percentage display stabilises. If jumping continues past two full cycles, check that resting voltage is holding above 3.4V with a multimeter.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43333756846170,"sku":"BWCS-BP745MC-1","price":45.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43333756878938,"sku":"BWCS-BP745MC-2","price":53.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43333756911706,"sku":"BWCS-BP745MC-3","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-BP745MC-1.webp?v=1778213067","url":"https:\/\/batteryweb.com\/products\/canon-vixia-hf-m52-replacement-battery-36v-4450mah-li-ion","provider":"BatteryWeb","version":"1.0","type":"link"}