The Nitecore NBM41 is an innovative 4-slot battery magazine specifically designed for the safe storage of 21700 lithium-ion batteries. With its robust yellow casing, it not only offers high visibility but also reliable protection for up to four batteries. Each compartment is designed to securely hold batteries with a diameter of up to 21 mm and a length of up to 70 mm. The magazine is made from impact-resistant materials, protecting the batteries from accidental drops and physical damage, making it ideal for use in professional photography and videography environments. The bright color facilitates identification, while the compact design and ventilation channels ensure optimal handling and temperature control. With a temperature tolerance range of -20 °C to 60 °C, the NBM41 is suitable for various environmental conditions, providing reliable performance.

• Safe storage for up to four 21700 batteries
• Durable, impact-resistant casing for optimal protection
• Bright yellow color for high visibility
• Ventilation channels to prevent heat buildup.