Powerful 7.4v 10000mAh Lithium Battery for JBL Partybox310 Trolley Party Speaker 

Specifications

Company Profile

Product Overview

Engineered for the high-power demands of the JBL Partybox300, this 7.4V 10000mAh​ Li-ion replacement battery delivers extended runtime and stable voltage output for long gigs and back-to-back events.

It is designed as a true drop-in solution to minimize downtime, with a robust build and integrated protection to keep your audio performing reliably from full to low charge. Ideal for DJs, event organizers, and rental services, this pack helps you maintain consistent sound pressure and output consistency under heavy bass and high volume.

This battery is built with compatibility in mind: the form factor, connector layout, and wiring polarity are aligned with the Partybox300​ battery compartment. It utilizes quality Li-ion​ cells with stable discharge characteristics to reduce output fluctuation as the battery level drops. An integrated protection circuit helps guard against overcharge, overdischarge, and short circuit, supporting safer day-to-day operation and dependable cycle life.

Application

•Live Events & Parties: Keep the music going during weddings, birthdays, and festivals with reliable backup power that reduces the risk of mid-show shutdowns.

•DJ & Mobile Performers: Maintain consistent output and reduce recharges with a high-capacity pack that supports long sets and back-to-back gigs.

•Event Rentals & AV Companies: Stock spare batteries for quick swaps, improve equipment turnaround time, and deliver better service reliability to clients.

•Outdoor Gatherings & Tailgating: Depend on stable voltage and ample capacity for backyard BBQs, beach parties, and camping trips where power outlets are limited.

•Home & Backyard Use: Extend play sessions without interruption for family gatherings, karaoke nights, or casual listening by the pool.

•Commercial Installations: Ideal for venues that require dependable battery backup during events or in areas with unstable grid power.

Workers Production

Product Package

Why Choose Us?

I.Rigorous Quality Control, Safety Guaranteed:

Our lithium batteries are crafted using industry-leading manufacturing techniques. Each battery undergoes multiple stringent quality checks, including tests for overcharging, over-discharging, short-circuiting, and high-temperature resistance, ensuring stable and reliable performance in any environment. This provides your JBL •Partybox300 Bluetooth speaker with long-lasting and safe power support.

II.Extended Battery Life, Lasting Companionship:

With a large 10000mAh capacity, our battery offers significantly longer playback time compared to the original or similar products. Whether it's an outdoor party, family gathering, or long-distance travel, your JBL Partybox300 Bluetooth speaker will keep playing for hours, ensuring the music never stops and the fun never ends.

III.Eco-Friendly Materials, Green Production:

We are committed to using environmentally friendly materials in battery production to reduce our impact on the planet. Additionally, we optimize our production processes to lower energy consumption, contributing to a sustainable and green future.

IV.Professional Customer Support, Attentive Service:

Our dedicated customer service team is always ready to assist you with any questions regarding product usage, installation, or maintenance. We ensure that any issues you encounter during use are promptly and effectively resolved.

V.Numerous Positive Reviews, Trustworthy Choice:

Since its launch, our product has received a wealth of positive feedback and reviews from customers worldwide. They consistently praise its outstanding performance and affordability, making it the ideal replacement for the JBL Partybox300 Bluetooth speaker.

Certification

FAQ

Q1: Is Foshan Softchip Electronics Co., Ltd. an original factory?

A: Yes, Foshan Softchip  Electronics Co., Ltd. is an original factory. We directly engage in product manufacturing, eliminating intermediary links and enabling us to offer customers more cost-effective products.

Q2: How many years of production experience does your company have?

A: Our company has 13 years of production experience. Over the long-term practice, we have accumulated rich technical and management expertise, allowing us to efficiently and steadily produce high-quality products.

Q3: Does your company have complete production equipment?

A: Absolutely. We possess complete and advanced production equipment that covers all aspects from raw material processing to finished product assembly. This provides a solid hardware guarantee for the quality of our products.

Q4: What are the main products your company produces?

A: Our company mainly produces batteries for various models of JBL speakers and iPhone batteries. These products undergo strict quality inspections and have stable and reliable performance.

Q5: Is there a guarantee for product supply when cooperating with your company?

A: There is definitely a guarantee. As an original factory, we have strong production capacity and a stable supply chain system. We can arrange production in a timely manner according to customer needs to ensure on-time and sufficient supply.