2026 Newest Rugby Battery Power Digital Display USB C Rechargeable 550 mAh 510 Thread Soldering Battery for Cartridge

2026 Newest Rugby Battery Power Digital Display USB C Rechargeable 550 mAh 510 Thread Soldering Battery for Cartridge. Customizable Branding: Supports customization of logo, color, and gift packaging box. Digital Display: Features a digital display for voltage monitoring (2.4V-3.9V). Fast Charging: Equipped with USB Type-C charging port for convenient power. Multi-Function Control: Press 5 times to power on/off, 2 times for preheat, 3 times to adjust voltage. Compact Design: Lightweight metal body, 32g net weight, size 63*40.5*40mm. OEM/ODM Support: Own factories in China with fast production and delivery.