Original-spec 7.4v 2475mAh Lithium Battery Replacement for JBL Partybox On the go Bluetooth Speaker

Specifications

	Brand Name	Softchip
	Place of Origin	Guangdong, China
	Model Number	SUN-INTE-265
	Size	65.7*19.4*145.8mm
	Volt	7.4V
	Capacity	2475mAh
	Usage	For JBL Partybox On the go  Bluetooth Speaker
	Certificate	Ce Rosh EMC
	Warranty	12 months
	OEM/ODM	Acceptable

Product Overview

Our high-performance 7.4V 2475mAh lithium-ion replacement battery is expertly engineered to deliver reliable, long-lasting power specifically for the JBL PartyBox OnTheGo Bluetooth speaker. Crafted with premium-grade lithium-ion cells and advanced circuit protection, this replacement battery exceeds OEM specifications in both safety and performance.

With a stable 7.4-volt output and a generous 2475mAh capacity, it offers up to 30% longer runtime compared to aging original batteries, giving you more playtime and fewer charging interruptions. Designed as a seamless drop-in replacement, this battery maintains perfect compatibility with the JBL PartyBox OnTheGo’s internal structure, ensuring no modifications are required.

Simply open the battery compartment, swap out the old unit, and enjoy like-new performance in minutes. Every unit undergoes rigorous quality control and cycle testing before shipment, guaranteeing consistent performance and extended lifespan.

Application

I.Outdoor Events: Keep the music going at picnics, camping trips, beach parties, or tailgating events without access to constant power.

II.Mobile DJs & Performers: Ideal for entertainers who rely on portable sound systems for gigs, weddings, or street performances.

III.Home & Garden Use: Perfect for backyard gatherings, poolside lounging, or patio parties where uninterrupted music sets the mood.

IV.Emergency Preparedness: Serve as a backup power source during power outages or off-grid adventures.

Production Line

Workers Production

Quality Inspection Area

Product Package

Why Choose Us?

I.Premium Grade A Core & Robust Protection System

Our 7.4V 2475mAh replacement battery is built with Grade A lithium-ion cells sourced exclusively from ISO 14001 & ISO 9001 certified suppliers—ensuring ultra-low internal resistance (≤80mΩ), consistent capacity output, and minimal performance degradation over time. 

II.Rigorous Quality Assurance 

•Quality is non-negotiable: every battery undergoes a 100% three-stage functional testing process before leaving the factory. Stage 1 includes precision voltage calibration (matching JBL Partybox Onthego’s original power curve within ±0.02V) and true capacity verification (via ISO-accredited third-party equipment to eliminate "virtual capacity").

III.Real Customer Support, Fast & Comprehensive

•We believe in supporting our customers beyond the sale—no bots, no automated responses, just real experts ready to help. Our dedicated customer service team is available 24/7 via email, live chat, and phone.

Certification

FAQ

Q1: Is this 2475mAh battery an exact match for the original JBL Partybox On-The-Go battery?

A: Yes, this is an original-spec 7.4V 2475mAh lithium battery replacement. It is designed with the exact dimensions and connector type to ensure a perfect fit inside the JBL Partybox On-The-Go battery compartment, restoring your speaker to its factory-rated playtime.

Q2: Will using this replacement battery void my JBL speaker warranty?

A: If your speaker is already out of warranty, using a high-quality original-spec replacement battery is the best way to extend its life. This battery features a built-in BMS (Battery Management System) that mirrors the safety protocols of the original part, protecting your JBL Partybox from voltage spikes or overheating.

Q3: How many hours of karaoke can I expect from a new 2475mAh battery?

A: With this 7.4V rechargeable battery, you can expect the same performance as a brand-new unit—typically up to 6 hours of playtime. Note that using the wireless microphone and maximum bass boost will consume power faster, but this lithium-ion cell ensures consistent power delivery for your mobile performances.

Q4: Does the battery come with the necessary connector for the Partybox On-The-Go?

A: Yes, this JBL Partybox battery kit comes with the standard plug-and-play terminal. There is no need for cutting wires or soldering. It is a direct drop-in replacement designed for easy DIY speaker repair.

Q5: What should I do if my JBL Partybox On-The-Go only works when the power cord is plugged in?

A: This is a classic sign of a "dead" or depleted internal battery. By installing this 2475mAh replacement battery pack, you can fix the charging issues and enjoy full Bluetooth speaker portability once again without being tethered to a wall outlet.