The Edan 21.21.064146 is an extended-capacity medical-grade rechargeable lithium-ion battery pack engineered to supply long-lasting portable power for compatible Edan vital signs monitors and diagnostic devices. Featuring a high-density 4400mAh capacity, this power module delivers double the operational runtime of standard packs, making it ideal for continuous patient monitoring during prolonged mobile medical transports or baseline backup power disruptions. Its integrated management board regulates clean voltage delivery and shields cells against overheating or overcharging conditions.