JBL Battery 400
An easy-to-replace spare battery
Keep the Party Going
The JBL Battery 400 is designed to extend the playtime of compatible JBL portable speakers, such as the JBL PartyBox Stage 320 and JBL Xtreme 4 wireless Bluetooth™ speakers. When your primary battery is depleted, a spare JBL Battery 400 can be quickly swapped into the back panel slot, providing up to 18 hours of additional playtime. This effectively doubles the total party time, offering up to 36 hours of continuous use when paired with a compatible speaker. The battery is designed for peace of mind, ensuring reliable performance as an official JBL accessory. It is also suitable for replacing the rechargeable battery in a JBL Xtreme 4 speaker when it begins to degrade. The battery is presented in FSC-certified packaging printed with soy ink.
Features and Benefits
- Extended Playtime: Doubles party time for compatible speakers.
- Guaranteed JBL Quality: Ensures trustworthy and reliable performance.
- Fast Charge: 10 minutes of charging provides an extra 2 hours of playtime for JBL PartyBox Stage 320 and Xtreme 4.
- JBL PartyBox App Integration: Monitor the State of Charge (SOC) of your JBL PartyBox speaker's current battery via the JBL PartyBox app.
- Compatibility: Specifically designed for JBL PartyBox Stage 320 and JBL Xtreme 4 wireless Bluetooth™ speakers. Other JBL models may have different battery requirements.
Technical Specifications
| Model Name | FG4CELL21700G |
| Battery Type | Lithium-ion battery |
| Battery Capacity | 7.2V / 9444mAh, 68Wh |
| Operating Temperature | 0-45 °C |
| Product Dimension (W x H x D) | 93 x 25.1 x 89.5mm / 3.66" x 1.0" x 3.5" |
| Net Weight | 350g / 0.77lbs |
| Packaging Dimension (W x H x D) | 110 x 102 x 34mm / 4.33" x 4.02" x 1.38" |
| Gross Weight | 404g / 0.89lbs |
What's in the Box
- 1 x BATTERY400
- 1 x Quick Start Guide
- 1 x Safety Instruction and Warranty Card
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