{"product_id":"jvc-gr-1u-replacement-battery-6v-2100mah-ni-mh","title":"JVC BN-V20 GR-1U Camcorder Replacement Battery 6V 2100mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eJVC GR-1U \/ GR-323U Series — 6V Ni-MH Replacement Battery (BN-V20)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 6V, 2100mAh Ni-MH replacement for the JVC BN-V20 battery pack. It fits the GR-1U, GR-323U, GR-AS-X760U, GR-AW1, and over 250 additional JVC camcorder models that share the same BN-V20 connector and voltage rail. Cross-compatible OEM part numbers include BN-V20U, BN-V22, BN-V24U, and BN-V25U.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eGR-series camcorder platform:\u003c\/strong\u003e\n    These models share a common 6V power rail and the same physical battery housing with a three-contact connector. The BMS in each body reads cell voltage the same way, so a single battery form factor spans the entire lineup without wiring or mechanical changes.\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 a GR-series body. The BMS accepted the cell without error flags, held the voltage curve steady through mid-discharge, and tripped the low-voltage cutoff cleanly at the expected threshold without sudden shutdown.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eFirst-use charge cycle on older camcorder bodies:\u003c\/strong\u003e\n    On 1990s–2000s JVC camcorder bodies, run the first full charge inside the OEM charger — not a third-party unit — before recording. Older body BMS firmware calibrates its battery-remaining indicator against the discharge curve established in that first cycle.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eWhy the GR-1U shows a dead battery indicator on a freshly charged replacement cell\u003c\/h3\u003e\n\n  \u003cp class=\"bpw-desc-p\"\u003eThe GR-1U uses a voltage-threshold method to estimate charge state — it maps specific voltage points on the discharge curve to battery-remaining segments on the display. A new Ni-MH cell has a slightly flatter discharge curve than an aged original pack, which causes the body's indicator to read low even when the cell is near full. This is a calibration mismatch, not a fault with the cell. Run two full charge-discharge cycles through the OEM charger and the display will align more accurately to the actual state of charge.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eBattery percentage jumping erratically during recording on the GR series\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eIf the battery indicator jumps between segments mid-recording, the body is losing its voltage reference point as current draw spikes during tape transport and autofocus operation. Ni-MH cells show a brief voltage dip under these combined loads, and the GR body interprets each dip as a drop in charge state. Check that the battery contacts on both the pack and the body are clean — oxidation adds resistance and exaggerates the voltage sag. If the jumping persists after cleaning, confirm the cell is resting at 6.0V or above before recording.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43336963162202,"sku":"BWCS-PDHV20-1","price":34.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43336963194970,"sku":"BWCS-PDHV20-2","price":39.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43336963227738,"sku":"BWCS-PDHV20-3","price":43.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-PDHV20-1.webp?v=1778213555","url":"https:\/\/batteryweb.com\/products\/jvc-gr-1u-replacement-battery-6v-2100mah-ni-mh","provider":"BatteryWeb","version":"1.0","type":"link"}