{"product_id":"sharp-vl-ah50s-replacement-battery-36v-2700mah-ni-mh","title":"Sharp BT-H22 Camcorder Replacement Battery 3.6V 2700mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eSharp VL-AH50S \/ VL-AH1510 Series — 3.6V Ni-MH Replacement Battery (BT-H22)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 3.6V Ni-MH battery rated at 2700mAh (9.72Wh), replacing OEM part numbers BT-H22, BT-H22U, BT-H21U, and BT-H21. It fits the Sharp VL-AH50S, VL-AH1510, VL-AH131E, VL-AH1500, and over 140 additional Sharp camcorder models sharing the same battery form factor and connector.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eVL-AH series camcorder fit:\u003c\/strong\u003e\n    These Sharp models share a common battery bay geometry, voltage rail, and connector pinout. The BMS in each body expects a 3.6V Ni-MH cell — swapping chemistry or voltage triggers a low-battery lockout before the cell is close to depleted.\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 VL-AH platform and monitored BMS handshake behaviour. The battery was accepted without error codes, and the BMS cutoff triggered at the expected low-voltage threshold without premature shutdown.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eFirst-cycle conditioning on Sharp camcorders:\u003c\/strong\u003e\n    Run one full charge in the OEM Sharp charger before inserting the battery into the camcorder body. Sharp's BMS maps remaining capacity against the cell's discharge curve — skipping this step causes the indicator to read erratically from the first session.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eWhy the VL-AH50S drops to zero indicator before the cell is actually empty\u003c\/h3\u003e\n\n  \u003cp class=\"bpw-desc-p\"\u003eSharp's battery gauge in the VL-AH series uses a voltage-threshold model calibrated to the original cell's discharge curve. A new replacement cell — even a correctly rated one — may present a slightly different mid-discharge voltage profile. The camera interprets that voltage deviation as end-of-charge and triggers the empty indicator early. Running one full charge-discharge cycle allows the BMS to remap its thresholds against the new cell's actual curve, bringing the indicator back into accurate range.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eCamcorder powers on but shuts down immediately during playback or recording\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003ePlayback and active recording draw significantly more current than standby — the LCD backlight, tape or media motor, and image sensor all pull simultaneously. If the cell has not completed a proper conditioning cycle, the BMS may read the voltage sag under that combined load as a fault condition and cut power. This is not a defective cell. Charge the battery fully in the OEM Sharp charger, allow it to reach a resting voltage above 3.6V, then reinsert and test under recording load.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43333852856410,"sku":"BWCS-BTH22-1","price":31.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43333852889178,"sku":"BWCS-BTH22-2","price":36.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43333852921946,"sku":"BWCS-BTH22-3","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-BTH22-1.webp?v=1778213291","url":"https:\/\/batteryweb.com\/products\/sharp-vl-ah50s-replacement-battery-36v-2700mah-ni-mh","provider":"BatteryWeb","version":"1.0","type":"link"}