Reliable 12V Power for Your Projects and Devices The HaiNXC 12V 2500mAh rechargeable lithium battery pack is designed to bring portable power to your DIY projects and everyday 12V devices. Whether you're setting up a CCTV camera, building an LED display, or powering electronic devices, this compact battery delivers the energy you need. Easy Connections, No Soldering Unlike bare-wire batteries that require stripping and soldering, our battery features built-in DC5521 male and female ports for instant plug-and-play use. Just connect your compatible device and you're ready to go. For custom projects, we've included a DIY pigtail cable that converts the DC5521 port to bare wires. Safety You Can Count On We've equipped this battery with an intelligent Battery Management System (BMS) that actively monitors performance and protects against: Overcharging Over-discharging Short circuits Over-current Overheating This not only keeps your devices safe but also extends the battery's lifespan to over 800 charge cycles. Technical Specifications: Voltage: 12V (Nominal) Capacity: 2500mAh Input: DC 12.6V / 1A Output: DC 9-12.6V / 5A Max Connectors: DC5521 Male + Female Package Includes: 1x 12V 2500mAh Battery Pack 1x 12.6V/1A Smart Charger 1x DC5521 Extension Cable (Male to Female) 1x DC5521 to Bare Wire Pigtail Cable