The Swarovski Optik RB tM 35 Rechargeable Battery is an essential accessory for hunters, especially in low-light conditions. This lithium-ion battery ensures that your tM 35.2, tM 35+, or TX Encounter devices remain powered, providing a significant advantage during nighttime activities. Its design includes a bayonet catch, allowing for quick and silent battery replacement even in complete darkness. Reliable power source for tM 35.2, tM 35+, and TX Encounter devices Quick and silent battery replacement with bayonet catch Ideal for use in low-light and nighttime conditions Ensures uninterrupted performance during hunting activities