{"product_id":"akai-bpn300-replacement-battery-6v-4200mah-ni-mh","title":"Akai BPN300 Replacement Battery 6V 4200mAh Ni-MH","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eAkai BPN300 \/ BPN350 Series — 6V Ni-MH Replacement Battery\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 6V 4200mAh Ni-MH battery for the Akai BPN300, BPN350, C20, PMVS-8, and over 21 compatible models. It replaces the original cell in compact Akai cameras that rely on this Ni-MH pack for photo and video capture. Voltage and capacity match OEM specifications exactly.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBPN300 \/ BPN350 compatibility:\u003c\/strong\u003e\n    These models share the same 6V voltage rail, connector housing, and BMS communication protocol. A single cell format covers the full range without adapter modifications or wiring changes.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We cycled this battery through charge and discharge on camera-compatible test equipment. The BMS accepted the cell without flagging an incompatible battery warning, and voltage held stable across both still capture and short video bursts.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eFirst-use charge protocol for Ni-MH cells:\u003c\/strong\u003e\n    Ni-MH chemistry benefits from a full charge cycle completed inside the camera body or OEM charger before heavy use. This allows the camera's battery gauge to map the discharge curve of the new cell accurately — skipping this step often 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\"\u003eCamera showing dead battery indicator on a partially charged replacement cell\u003c\/h3\u003e\n\n  \u003cp class=\"bpw-desc-p\"\u003eAkai's battery indicator maps voltage thresholds to percentage levels calibrated against the original cell's discharge curve. A new Ni-MH cell has a flatter voltage curve early in its life, which can read as critically low even when capacity remains. The camera's gauge has no reference data for the new cell until it completes at least one full charge cycle from empty to full. Run one full cycle before trusting the indicator display.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eFlash not fully recycling between shots on a new battery\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eFlash recycling pulls a high burst of current to recharge the capacitor after each shot. If the cell is cold, below roughly 10°C, internal resistance in Ni-MH chemistry rises sharply and the available current drops. This causes the flash to take noticeably longer between shots or to fire at reduced power. Warm the camera to room temperature and ensure the battery has completed at least one full charge cycle — both steps reduce internal resistance and restore normal capacitor recharge current.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43333900009562,"sku":"BWCS-NP66-1","price":50.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43333900042330,"sku":"BWCS-NP66-2","price":58.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43333900075098,"sku":"BWCS-NP66-3","price":64.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-NP66_1.webp?v=1778213590","url":"https:\/\/batteryweb.com\/products\/akai-bpn300-replacement-battery-6v-4200mah-ni-mh","provider":"BatteryWeb","version":"1.0","type":"link"}