{"product_id":"digilife-ddv-5100hd-replacement-battery-37v-1100mah-li-ion","title":"CNP-40 Digilife DDV-5100HD Replacement Battery 3.7V 1100mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eDigilife DDV-5100HD \/ DDH-H3 Series — 3.7V Li-ion Replacement Battery (CNP-40)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThe CNP-40 is a 3.7V, 1100mAh Li-ion cell that powers the Digilife DDV-5100HD, DDV-H3, DDH-H3, and HDD-3 digital camcorders. It fits directly into the same battery bay as the original Digilife cell and connects via the same three-contact interface. Capacity is rated at 4.07Wh, matching the original specification.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDDV-5100HD \/ DDH-H3 family compatibility:\u003c\/strong\u003e\n    These models share the CNP-40 form factor — same voltage rail at 3.7V, same physical footprint at 38.25 × 38.15 × 9.50mm, and the same contact layout. No adapters or modifications needed.\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 DDV-5100HD body. The BMS accepted the cell without a fault flag, held voltage through sustained 1080p recording, and terminated charge cleanly at full capacity without overcharge drift.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eFirst-use charge cycle on camera body:\u003c\/strong\u003e\n    Some Digilife camcorders map battery-remaining percentage to a charge curve logged during the first in-body charge. Charge this cell fully inside the camera before your first shoot — not in an external charger — so the BMS calibrates the indicator correctly from the start.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eCamera showing dead battery indicator on a partially charged CNP-40\u003c\/h3\u003e\n\n  \u003cp class=\"bpw-desc-p\"\u003eThe DDV-5100HD reads battery level by mapping voltage thresholds to percentage bands calibrated during the first charge cycle. A new cell that was first charged externally may sit at a voltage the camera's lookup table doesn't recognise as \"full,\" triggering a premature low-battery warning. The fix is straightforward: charge the replacement cell inside the camera body until the charge indicator clears, then power cycle the unit. After that single cycle, the camera re-maps its thresholds and the indicator tracks accurately.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eBattery percentage jumping erratically mid-recording on the DDV-5100HD\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eErratic percentage jumps happen when the camera's discharge curve model doesn't yet match the actual voltage-versus-capacity slope of the new cell. The DDV-5100HD samples terminal voltage at intervals and translates that reading to a percentage — if the cell's discharge curve differs slightly from the factory reference, the reading can jump several percentage points between samples. This corrects itself after one or two full charge-discharge cycles on the camera body. Run the battery down to automatic camera shutoff at least once, then charge fully to 4.2V in-body before your next session.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43333864521818,"sku":"BWCS-NP40CA-1","price":22.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43333864554586,"sku":"BWCS-NP40CA-2","price":25.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43333864587354,"sku":"BWCS-NP40CA-3","price":27.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-NP40CA-1.webp?v=1778213292","url":"https:\/\/batteryweb.com\/products\/digilife-ddv-5100hd-replacement-battery-37v-1100mah-li-ion","provider":"BatteryWeb","version":"1.0","type":"link"}