V2 Pro POS Terminal Replacement Battery High-Power 7.6V 2500mAh Battery QP1659 / SM-V2Pro 21CP5/57/66 Battery for SUNMI V2 Pro Payment Devices

The 7.6V 2500mAh QP1659 / SM-V2Pro 21CP5/57/66 Lithium Battery is a high-quality replacement battery designed for SUNMI V2 Pro POS payment terminals. Built with reliable lithium-ion technology, it provides stable power output, long service life, and dependable performance for daily payment processing applications. The 2500mAh capacity helps ensure continuous operation, reducing downtime and improving productivity in busy business environments.

Engineered for compatibility with SUNMI V2 Pro devices, this replacement battery is ideal for restoring the performance of aging or damaged batteries. Its compact design, lightweight construction, and durable cell structure make it suitable for portable POS systems used in retail stores, restaurants, supermarkets, logistics operations, and mobile payment services.

Each battery is manufactured under strict quality control standards and tested for safety, capacity, and reliability. It is a cost-effective and dependable power solution for maintaining efficient payment terminal performance and uninterrupted business operations.

• Reliable 2500mAh Capacity: Provides stable and long-lasting power to keep SUNMI V2 Pro POS terminals operating throughout demanding work shifts.
• Stable 7.6V Output: Ensures consistent device performance, supporting payment processing, receipt printing, and daily business operations.
• Long Standby Time: Delivers 72–120 hours of standby capability, keeping the terminal ready for use whenever needed.
• Fast Charging Performance: Fully charges within 4–6 hours, reducing downtime and improving operational efficiency.
• High Durability: Designed for more than 500 charge cycles, providing dependable long-term performance and lower replacement costs.
• Safe Lithium Polymer Technology: Features a durable, non-removable lithium polymer design for enhanced safety, reliability, and battery lifespan.

Applications

The 7.6V 2500mAh replacement battery is specifically designed for SUNMI V2 Pro POS terminals and mobile payment devices. It is widely used in retail stores, supermarkets, restaurants, cafés, hotels, logistics services, delivery operations, warehouses, and mobile business environments. The battery provides reliable power for payment processing, order management, receipt printing, inventory control, and customer service applications, ensuring smooth and uninterrupted business operations throughout the day.