Low-Self-Discharge 3.7v 6000mAh Lithium Battery Replacement for JBL Pulse 2/3 Bluetooth Speaker

Specifications

Company Profile

Product Overview

Revive the vibrant light show and powerful audio performance of your JBL Pulse 2 or Pulse 3 Bluetooth Speaker with our premium 3.7V 6000mAh High-Capacity Lithium-Ion Replacement Battery — engineered not just to restore function, but to enhance real-world usability through ultra-low self-discharge technology, extended cycle life, and OEM-matched precision.

Over time, the original battery in your JBL Pulse series degrades due to repeated charge cycles, heat exposure, and chemical aging. This leads to symptoms like sudden shutdowns, shortened playtime, dimming LED rings, or failure to power on — all signs that it’s time for a reliable upgrade.

Our replacement battery is meticulously designed to fit seamlessly into the compact internal chamber of both JBL Pulse 2 and Pulse 3 models, offering a direct plug-and-play solution without modification, soldering, or technical expertise.

With a nominal voltage of 3.7V and a robust 6000mAh capacity (22.2Wh), it delivers significantly more energy than many degraded factory units, restoring playback duration to near-original levels — and in some cases, exceeding them. Real-world testing shows an average 18–24 hours of continuous music playback at moderate volume, depending on lighting effects usage and ambient temperature.

The battery utilizes high-density A-grade lithium-ion polymer cells known for stable discharge curves, minimal heat generation, and excellent safety performance. It features an integrated protection circuit module (PCM) that actively prevents:

Application

•Occasional Party Hosts & Social Users

Many JBL Pulse owners use their speakers primarily for weekends, holidays, or special gatherings. Standard batteries often discharge significantly during periods of inactivity, leaving users frustrated when the speaker won’t turn on for an impromptu party. 

•Home Decor & Ambient Lighting Enthusiasts

The JBL Pulse isn’t just about sound — its iconic 360° pulsing LED ring makes it a popular choice for mood lighting in living rooms, bedrooms, or entertainment spaces. However, frequent lighting activation drains the battery quickly. 

•Travelers & Digital Nomads

Frequent travelers appreciate compact, multifunctional devices. Whether you're staying in an Airbnb, camping off-grid, or traveling abroad, having a dependable speaker enhances any environment. 

•Repair Technicians & Refurbishment Businesses

Professional repair shops and certified refurbishers trust this battery for its consistency, safety compliance (RoHS, CE, UN38.3), and accurate fit. It streamlines the restoration process, reduces return rates, and increases customer satisfaction. 

•Event Planners & Creative Professionals

From photo shoots and product launches to pop-up bars and art installations, creatives rely on the JBL Pulse for its unique blend of audio and visual impact. This battery ensures uninterrupted operation during critical moments, whether powering background music for 4+ hours at a gallery opening or syncing lights with beats at a branded experience event.

•Eco-Conscious Consumers & Right-to-Repair Advocates

Electronic waste is one of the fastest-growing waste streams globally. Instead of discarding a fully functional speaker due to a dead battery, replacing just the core component aligns with sustainable consumption principles. 

Workers Production

Why Choose Us?

Here’s why thousands of customers across North America, Europe, and Asia trust us as their go-to source for premium audio battery replacements:

I.Science-Driven Cell Selection, Not Guesswork

We don’t source cells based on price alone. Every lithium-ion polymer cell used in our 3.7V 6000mAh battery undergoes a rigorous vetting process conducted by our in-house electrochemistry team.

We analyze internal resistance, cycle stability, discharge efficiency, and thermal behavior under load — selecting only A-grade cells from Tier-1 suppliers with proven track records in consumer electronics.

II.Real-World Testing That Mirrors Your Lifestyle

•Intermittent playback tests (on/off every 30 minutes) to mimic weekend party use

•High-brightness lighting + music combo stress tests to reflect Pulse’s signature light show demands

•Long-term storage trials at varying temperatures (-5°C to 45°C) to validate low-self-discharge claims

•Our results? This battery maintains over 88% charge after 6 months of storage, outperforming standard Li-ion units by up to 2.3x. In continuous playback mode, users report up to 24 hours of runtime, far exceeding degraded OEM batteries.

III.Precision Fit Designed for Zero Frustration

•We understand how frustrating it is when a “compatible” battery doesn’t quite fit — wires too short, connector misaligned, housing too thick. That’s why we disassembled multiple authentic JBL Pulse 2 and Pulse 3 units to create a digital 3D scan of the internal cavity.

•Using this model, we engineered the exact dimensions, wire routing path, and connector orientation so that every unit slides in smoothly without forcing, trimming, or bending. The result? A true OEM-like experience — no compromises, no DIY headaches.

•Even the wire gauge is optimized: thicker than most clones to reduce resistance and heat buildup during high-current operation, ensuring stable power delivery even when both audio and lights are running at full intensity.

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.