Description
Keep the Party Going Twice as Long with JBL Battery 400
Never let a dead battery kill the vibe. The JBL Battery 400 (Model: JBLBATTERY400) is an easy-to-replace spare battery pack designed specifically for your JBL PartyBox Stage 320 and JBL Xtreme 4 speakers. When the built-in power runs low, swap in a fresh JBL Battery 400 in seconds and double your playtime instantly.
Engineered with a high-capacity 68Wh Lithium-ion polymer cell, this official JBL accessory guarantees seamless compatibility, built-in protection against overcharging, and peace of mind from JBL's trusted quality. Plus, with quick charging support, a brief 10-minute top-up keeps the music pumping even longer.
Key Features
- Double Your Playtime: Swap out your depleted battery for a fully charged JBL Battery 400 to extend your event without needing an AC outlet.
- Seamless Compatibility: Specifically engineered for JBL PartyBox Stage 320 and JBL Xtreme 4 portable speakers.
- Fast Charge Support: Just 10 minutes of charging in your compatible speaker provides up to 2 extra hours of music playback.
- Easy 3-Step Swap: Designed with a user-friendly pull tab for effortless, tool-free replacement in under a minute.
- Official JBL Quality & Safety: Built with over-voltage, temperature, and short-circuit protection to safeguard both your speaker and battery life.
- JBL PartyBox App Integration: Check battery health, percentage level, and usage status directly within the official JBL PartyBox mobile application.
Technical Specifications
| Model Name | JBL Battery 400 (JBLBATTERY400) |
| Battery Type | Lithium-ion Polymer |
| Energy Capacity | 68 Wh / 7.2 V / 9444 mAh |
| Compatible Products | JBL PartyBox Stage 320, JBL Xtreme 4 |
| Fast Charge Capability | 10 minutes charge = up to 2 hours playtime |
| Operating Temperature | 0°C – 45°C (32°F – 113°F) |
| Dimensions (W x H x D) | 93 x 25.1 x 89.5 mm (3.66" x 0.99" x 3.52") |
| Net Weight | 350 g (0.77 lbs) |