JBL Battery 400 Spare Battery with Charging Case - Black

JBL Battery 400 Spare Battery with Charging Case - Black

The JBL Battery 400 helps extend your listening time while giving you a convenient way to recharge compatible devices. Designed for the JBL PartyBox Stage 320, JBL Xtreme 4, and more, this official JBL spare battery keeps your speaker ready when the original battery runs low.

Keep the Music Playing Longer

Why let a low battery interrupt the party? With a spare JBL Battery 400 nearby, you can quickly replace the depleted battery inside your JBL PartyBox Stage 320. The process takes only seconds, so you can return to the music without a long pause.

The JBL Battery 400 can also replace the rechargeable battery inside a JBL Xtreme 4 portable speaker and other compatible models when the original battery begins to degrade. It works like a fresh fuel tank, giving your speaker renewed portable power.

Charging Case for Added Convenience

The included charging case lets the JBL Battery 400 recharge while your speaker continues running with another battery. Its lithium-ion battery has a capacity of 7.2V, 9444mAh, and 68Wh.

Charging takes approximately three hours when using a JBL 60W power adapter, which is not included. Additionally, the charging case supports several USB-C input levels, including up to 20V at 2.25A.

Use It as a Portable Powerbank

The JBL Battery 400 charging case also doubles as a powerbank. Through the convenient USB-C output, you can charge a compatible tablet or smartphone while you are away from another power source.

With a maximum output power of 30W, the case supports multiple USB-C output levels. However, a charging cable is not included, so you will need to use a compatible cable for your device.

Official JBL Quality and Compatibility

Because the JBL Battery 400 is an official JBL product, it is designed to work reliably with compatible speakers. That added compatibility provides peace of mind when replacing an older battery or preparing a backup for longer listening sessions.

The JBL Battery 400 is compatible with the JBL PartyBox Stage 320, JBL Xtreme 4 portable speaker, and more. Therefore, it offers a flexible power solution for supported JBL products.

Compact and Easy to Carry

The JBL Battery 400 with charging case measures 103 x 43.6 x 93 mm, or 4.06 x 1.72 x 3.66 inches. It weighs 486 grams, or 1.05 pounds, making it compact enough to carry with your speaker accessories.

The packaged product measures 122 x 57 x 103 mm and has a gross weight of 560 grams. Its operating temperature range is 0°C to 45°C.

JBL Battery 400 Specifications

• Battery type: Lithium-ion battery
• Battery capacity: 7.2V / 9444mAh / 68Wh
• Battery charging time: Approximately 3 hours
• Maximum output power: 30W
• USB-C charge input: 5V⎓3A, 9V⎓3A, 12V⎓3A, 15V⎓3A, 20V⎓2.25A
• USB-C charge output: 5V⎓3A, 9V⎓3A, 12V⎓2.5A, 15V⎓2A, 20V⎓1.5A, 5-11V⎓3A
• Product dimensions: 103 x 43.6 x 93 mm / 4.06 x 1.72 x 3.66 inches
• Net weight: 486g / 1.05 lbs
• Operating temperature: 0°C to 45°C
• Colour: Black

What Is Included?

• 1 x JBL Battery 400 with charging case
• 1 x Quick Start Guide
• 1 x Safety Instruction and Warranty Card

Reliable Backup Power for Compatible JBL Speakers

The JBL Battery 400 is a practical accessory for anyone who wants longer listening sessions and dependable replacement power. Its charging case keeps the spare battery ready, while the USB-C powerbank function adds another useful option for charging a smartphone or tablet. Whether you use it as a backup or a replacement, it helps keep compatible JBL speakers powered and ready.

Frequently Asked Questions

Which speakers are compatible with the JBL Battery 400? The battery is compatible with the JBL PartyBox Stage 320, JBL Xtreme 4 portable speaker, and more.

How long does the JBL Battery 400 take to charge? It takes approximately three hours when used with a JBL 60W power adapter, which is not included.

Can the charging case charge a smartphone or tablet? Yes. The charging case functions as a powerbank and provides USB-C output for charging compatible smartphones and tablets.

What is the maximum output power? The charging case provides a maximum output power of 30W.

What comes in the box? The package includes one Battery 400 with charging case, one Quick Start Guide, and one Safety Instruction and Warranty Card.