Discover the LP402445 3.7V 400MAH Lithium Polymer Battery, a high-performance power source with silver foil and transparent PVC. Featuring 50mm red and black wires, this battery offers quick 2-hour charging and 4-6 hours of discharging time. Ideal for various applications, it comes with a 12-month guarantee and certifications like CE, ROHS, and UN38.3.