🌟 Grand Energy Manufacturing 🌟

Introducing our high-performance 12.8V 6Ah LiFePO4 lithium battery—specially designed for premium speakers and portable audio systems!

🔋⚡ Built with robust 4S1P 4000mAh 32700 cylindrical cells for outstanding energy density and long-lasting power.

Experience cleaner sound, deeper bass, and extended playtime with a battery that’s engineered for reliability and safety. Perfect for outdoor events, home entertainment, and professional audio setups.

✅ Superior LiFePO4 technology

✅ Lightweight & compact design

✅ Stable voltage output for crisp audio

✅ Eco-friendly & maintenance-free

🔷Powered & Powerful🔷富能 | 赋能🔷

Great for speaker manufacturers, DIY audio enthusiasts, and OEM partners!

Custom power solutions available—let’s create something amazing together.

📧 Reach out: vicky@gembattery.com

📞 WhatsApp: (+86) 13672270937