{"product_id":"nihon-kohden-edan-se-300a-replacement-battery-144v-2600mah-li-ion","title":"Nihon Kohden Edan SE-300A Replacement Battery 14.4V","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eNihon Kohden Edan SE-300A \/ SE-300B — 14.4V Li-ion Replacement Battery\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis 14.4V 2600mAh Li-ion battery replaces the internal power cell in the Edan SE-300A and SE-300B portable electrocardiograph. Both devices are 12-lead ECG machines used in clinical, ambulatory, and emergency settings. Voltage and capacity match OEM specifications for these two models.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSE-300A and SE-300B compatibility:\u003c\/strong\u003e\n    Both the SE-300A and SE-300B share the same 14.4V battery bay, connector pinout, and BMS communication protocol. A single cell services either unit without modification.\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 SE-300A platform. The BMS handshake completed on the first cycle, charge termination triggered correctly at full capacity, and the device reported battery status accurately in its diagnostics menu.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003ePost-installation self-test:\u003c\/strong\u003e\n    After fitting this battery, allow the SE-300A or SE-300B to complete its full power-on self-test without interruption. The BMS runs a verification sequence at startup — cutting power mid-sequence causes a false battery fault that persists until the next clean reboot.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eWhy the SE-300A reports low battery immediately after a confirmed full charge\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThe SE-300A's BMS uses stored charge-curve data calibrated to the original cell's chemistry profile. A new cell has not yet established a matching charge signature, so the BMS reads the state-of-charge conservatively and triggers a low-battery alert even when the cell is full. This behaviour typically clears after one complete charge-discharge cycle. Run a full charge to termination, then allow the device to run normally until the BMS initiates a protection cutoff, then recharge fully before clinical use.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eDevice fails to power on after the replacement battery sat in storage\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eLi-ion cells self-discharge during storage. If voltage drops below approximately 10V, the SE-300A's BMS enters deep-discharge protection and blocks power output entirely — the device appears completely dead. Connect the charger and leave it for a minimum of 30 minutes before attempting to power on. The charge IC will trickle-charge the cell back above the BMS recovery threshold, typically around 11.0V, at which point normal charging resumes and the device will boot.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43381519319130,"sku":"BWCS-NKE300MD-1","price":49.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43381519351898,"sku":"BWCS-NKE300MD-2","price":58.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43381519384666,"sku":"BWCS-NKE300MD-3","price":64.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-NKE300MD-1.webp?v=1778901370","url":"https:\/\/batteryweb.com\/products\/nihon-kohden-edan-se-300a-replacement-battery-144v-2600mah-li-ion","provider":"BatteryWeb","version":"1.0","type":"link"}