10400mAh 7.4V Li-ion Speaker Battery with 76.96Wh Capacity for Jbl Partybox 300 and Partybox 300cn
Description
CS-JPB300SL Replacement Battery for JBL PartyBox 300 – 10400mAh Li-ion
Upgrade your JBL PartyBox 300 with the high-performance CS-JPB300SL speaker battery by Cameron Sino. This premium Li-ion battery delivers a massive 10400mAh capacity at 7.4V, equaling 76.96Wh of power—perfect for parties, DJ events, or everyday use. Count on reliable, long-lasting energy and uninterrupted playtime wherever the music takes you.
Designed with a sleek black exterior and weighing just 490g, it fits securely in your speaker with dimensions of 106.00 x 104.40 x 47.00mm. Easy to handle and install, this battery offers a seamless replacement experience.
✅ Compatible JBL Speaker Models
- JBL PartyBox 300
- JBLPARTYBOX300CN
🔢 Replaces the Following Part Numbers
- SUN-INTE-125
- 2INR19/66/4
- GSP-ICR2S4P-PB350A
🔋 Why Choose Cameron Sino Batteries?
- High-Capacity Performance: 10400mAh for extended playtime and dependable power.
- Premium Quality Cells: Built using top-grade lithium-ion cells for maximum efficiency and battery life.
- Perfect Fit & Easy Installation: OEM-compatible design ensures a seamless and secure fit.
- Safety & Durability: Manufactured under ISO 9001-certified processes with overcharge protection and temperature control.
🔑 Key Technical Specifications
- Battery Type: Li-ion
- Capacity: 10400mAh
- Voltage: 7.4V
- Energy Rating: 76.96Wh
- Dimensions: 106.00 x 104.40 x 47.00mm
- Color: Black
- Weight: 490g / 17.28oz (Net), 670g / 23.63oz (Gross)
🛠️ Warranty & Return Policy
- 1-Year Replacement Warranty: Enjoy peace of mind with reliable support.
- 30-Day Return Policy: Hassle-free returns if you’re not satisfied—no questions asked.
Note: Please confirm your speaker model and battery part number before purchase to ensure compatibility. Need help? Contact our expert support team!
Get back to enjoying high-quality sound—upgrade your JBL PartyBox 300 with the CS-JPB300SL battery today! 🔋🎶

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