🌟 Grand Energy Manufacturing 🌟

Introducing our NEW 12.8V 3Ah LiFePO4 Battery – engineered specifically for high-performance audio speakers and portable sound systems!

🔋Built with premium 4S1P 21700-3000mAh cells and advanced PCB protection, delivering a continuous discharge current of 6A for crisp, dynamic sound without interruption.

Experience cleaner power, longer runtime, and enhanced reliability—perfect for Bluetooth speakers, portable PA systems, and home audio setups.

✅ High-performance LiFePO4 chemistry

✅ Stable 12.8V output | Low-noise operation

✅ Compact and lightweight design

✅ Built-in protection & rechargeable

🔷Powered & Powerful🔷富能 | 赋能🔷

Ideal for audio manufacturers, DIY speaker builders, and tech innovators looking for reliable, high-drain battery solutions.

Custom options available—let's energize your next audio creation!

📧 Contact: vicky@gembattery.com

📞 WhatsApp: (+86) 13672270937