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Rechargeable battery JBL JBL Battery 400
The JBL Battery 400 is a rechargeable Lithium‑Ion battery designed to extend the runtime of compatible JBL products. With a nominal voltage of 7.2 V and a capacity of 9444 mAh, this compact black battery fits the rear slot of the JBL PartyBox Stage 320 and can also replace the internal battery of the JBL Xtreme 4. Each battery is supplied in FSC‑certified packaging printed with soy ink.
The JBL Battery 400 provides up to 18 hours of playtime per battery, allowing you to double playback time when a spare is available. Its Lithium‑Ion chemistry delivers reliable energy density in a small form factor (93 × 89.5 × 25.1 mm). The battery is compatible with the PartyBox Stage 320 and Xtreme 4 and comes in official JBL packaging for straightforward replacement and peace of mind.
When the installed rechargeable battery in your compatible JBL device is low, remove it according to the device manual and insert the JBL Battery 400 into the rear battery slot on the PartyBox Stage 320 or into the appropriate compartment of the Xtreme 4. Make sure the contacts align and the battery is fully seated. Follow the speaker’s instructions for securing the battery and powering the device on. Charge and store the battery as specified by the device manufacturer.
Use the JBL Battery 400 only with compatible JBL models listed in the device manual. Do not expose the battery to extreme heat or moisture, do not disassemble, and follow local regulations for battery disposal and recycling.
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