Ansmann Rechargeable Batteries Battery pack 619732 - Ansmann 2447-3035-50, The Ansmann 4S2P Battery pack is a non-standard rechargeable battery designed for industrial use, comprising eight 18650 cells providing 14.4 V and 5100 mAh. This robust battery pack features prefabricated rechargeables suitable for high-demand applications requiring reliable and long-lasting power. Ideal for use in professional and industry-grade environments, it ensures dependable energy supply for various electronic devices and machinery. Ansmann 2447-3035-50 Battery Pack Li-Ion 14.4V 5100mAh 8x18650 UN38.3-Certified