Description
The JBL Battery 400 is an official replacement rechargeable battery designed for the JBL PartyBox Stage 320 and compatible with the JBL Xtreme 4 portable speaker. Keep your music going longer by swapping in a fully charged spare battery within seconds. Each battery delivers up to 18 hours of additional playtime, making it ideal for extended parties, outdoor events, and travel use.
Key Features
- Official JBL replacement battery
- Compatible with JBL PartyBox Stage 320
- Compatible with JBL Xtreme 4
- Up to 18 hours of additional playtime
- Quick and easy battery replacement
- High-capacity lithium-ion battery
- Compact and portable design
- Eco-friendly FSC-certified packaging with soy ink printing
Technical Specifications
General Specifications
- Net Weight: 350 g / 0.77 lbs
- Gross Weight: 404 g / 0.89 lbs
Dimensions
- Product Dimensions (W × H × D):
- 93 × 25.1 × 89.5 mm
- 3.66 × 1.0 × 3.5 in
- Packaging Dimensions (W × H × D):
- 110 × 102 × 34 mm
- 4.33 × 4.02 × 1.38 in
Battery Specifications
- Model Name: FG4CELL21700G
- Battery Type: Lithium-ion Battery
- Battery Capacity: 7.2V / 9444mAh, 68Wh
- Operating Temperature: 0°C – 45°C
Compatibility
- JBL PartyBox Stage 320
- JBL Xtreme 4 Wireless Bluetooth Speaker











