Keep Your Toughbook Powered: CF-VZSU73U 5800mAh Industrial-Grade Battery Is your Panasonic Toughbook CF-D1 dying during field service, construction site work, or VAS6160A automotive diagnostic tasks? This 100% brand-new Li-ion batterycustom-engineered for Panasonic Toughbook rugged laptopsis the perfect replacement for original models CF-VZSU73U, CF-VZSU73R, and CF-VZSU73SP. With 5800mAh high capacity and 63Wh energy output at 10.8V stable voltage, it delivers 12+ hours of continuous usesupporting heavy software operate (e.g., diagnostic tools, GPS mapping) and outdoor screen operation without frequent recharging. Built to match the Toughbook CF-D1s rugged design, its ideal for harsh environments like construction sites, military operations, and mobile automotive repair.