About Us
Leading China Lithium Battery Manufacturer Since 2012
Expertise in Laptop Batteries, Apple Series Replacements, and Industrial Energy Storage Systems. From 2012 to the future.
Your One-Stop OEM/ODM Partner for Consumer Electronics & Energy Storage Systems
Founded in 2012, Balder Power has evolved from a specialized laptop battery workshop into a leading China Lithium Battery Manufacturer. With over 10 years of technical evolution, our expertise has expanded from consumer electronics to a fully integrated Energy Storage Factory. Today, our manufacturing ecosystem allows us to provide global B2B partners with cost-competitive, reliable OEM Battery Solutions, all rooted in our ISO-certified production facilities.
A Decade of Manufacturing Excellence
-Tracing our evolution from precision consumer electronics to global energy storage solutions.
Rooted in Laptop Power Expertise
Balder Power was founded in 2012 with a simple focus: making better laptop batteries. We spent our early years mastering the complex BMS and safety protocols for replacement batteries compatible with major brands like Dell, HP, and Lenovo. This deep dive into laptop power gave us the technical "DNA" for precision manufacturing that still defines our quality standards today.
Mastering the Apple Ecosystem & Beyond
As mobile tech evolved, so did we. We expanded our lines to cover the entire Apple family—MacBook, iPad, iPhone, and Apple Watch—alongside a wide range of consumer electronics. This stage was about more than just variety; it was about proving we could handle the ultra-precise tolerances required for the world's most premium digital devices.
Launching the Huizhou Intelligent Manufacturing Base
016 marked our pivotal shift into large-scale green energy. We established a 10,000+ sqm ISO-certified facility in Huizhou, dedicated to LiFePO4 Energy Storage Systems (ESS). By introducing Automated Assembly Lines, we scaled our lithium expertise from consumer electronics to industrial-grade, solar-ready power solutions for global residential and commercial markets.
Wuhan HQ: Global R&D & Innovation Hub
In 2023, we inaugurated our Wuhan headquarters to anchor our Advanced Engineering & BMS Research. Situated in China's tech valley, this strategic hub serves as our 'Global Brain,' seamlessly integrating Product Development with our Huizhou manufacturing capabilities. It ensures our international B2B partners receive cutting-edge technical support and rapid market response
Diversified Production Capabilities
From concept to mass production, we provide end-to-end lithium solutions. Our specialized engineering teams collaborate to optimize every voltage and capacity requirement, ensuring precise performance. Select a category below to see how we turn raw cells into intelligent power products tailored to your industry.
Precision Engineering: Our Energy Storage Battery Manufacturing Process
Quality is not just inspected; it is manufactured at every step. At Balder Power, we implement a rigorous LifePO4 production protocols that goes beyond industry standards. From automotive-grade cell sorting to 100% full-cycle aging tests, our transparent manufacturing process ensures every Energy Storage System (ESS) delivers maximum safety and longevity for your projects.
Custom Engineering & ODM Design
Our Wuhan engineering team translates your voltage and capacity requirements into precise CAD blueprints. We simulate structure and thermal management to ensure the battery pack fits your application perfectly before production begins.
Premium A-Grade Cell Sourcing
Quality starts at the core. We strictly select brand-new, A-grade LiFePO4 or NCM cells from Tier-1 manufacturers (like CATL, EVE, Ganfeng). We match cells specifically for your project's energy density and cycle life needs.
Precision Capacity & IR Sorting
To guarantee pack longevity, consistency is key. We utilize automated sorting machines to group cells with identical Internal Resistance (IR) and Voltage. This strictly eliminates the "barrel effect," ensuring the entire pack performs at peak efficiency.
Automated Matrix Spot Welding
Our robotic welding arms execute high-precision spot welding using pure copper strips. This process ensures low-impedance connections and structural rigidity, preventing vibration damage during transportation or mobile usage.
Smart BMS Integration & Wiring
The "Brain" of the battery is installed. We integrate advanced Battery Management Systems (BMS) with communication protocols (CAN/RS485). Technicians organize signal wires neatly to prevent short circuits and ensure accurate thermal monitoring.
Structural Assembly & Insulation
Before closing the case, we apply industrial-grade insulation and shock-absorbing materials. The semi-finished packs are inspected for layout integrity to meet IP protection ratings for dust and moisture resistance.
100% Aging Cycle Test & OQC
Zero tolerance for early failures. Every finished battery undergoes a rigorous aging test (Charge/Discharge cycles) to simulate real-world stress. Final OQC includes voltage checks, BMS communication tests, and visual inspection.
UN38.3 Compliant Safety Packaging
Safety extends to delivery. We use customized wooden crates and high-density foam that meet UN38.3 dangerous goods transport standards, ensuring your goods arrive safely via sea or air freight.
Seamless Integration: Our Consumer Battery Manufacturing Protocol
Performance is not just tested; it is calibrated for original-spec compatibility. At Balder Power, we implement specialized production protocols for laptops, Apple series, gaming handhelds, and diverse electronic replacements to ensure a flawless device fit. From precision IR matching to 100% simulated OS functional tests, our transparent process ensures every battery delivers the seamless power and stable health data essential for your B2B distribution.
Cell Consistency Matching for Stable Voltage
We begin by screening cells for ultra-precise Internal Resistance (IR). For compact consumer devices, even a slight variance can lead to localized heating; our matching process ensures a balanced voltage output, providing the stable power foundation required for sensitive high-end electronics.
Automated Cell Capacity Grading & Formation
To guarantee the "No Fake Capacity" promise, all cells undergo a full charge-discharge cycle in our automated grading cabinets. This ensures every Apple Products or laptop replacement battery meets or exceeds its rated mAh, providing the long-lasting runtime that B2B buyers expect.
Original-Spec BMS & Software Protocol Sync
We utilize original-spec Battery Management Systems (BMS) to ensure full communication protocol synchronization. Precision welding integrates the BMS with the cells, allowing the device OS to accurately display "Battery Health" and "Cycle Count" without software errors or "non-genuine" warnings.
100% Software Protocol & Compatibility Simulation
We use specialized computer diagnostic software to simulate real-world OS operation (iOS, macOS, Windows). This crucial step verifies that the battery communicates perfectly with the device's original protocol, ensuring zero "non-genuine" pop-ups and 100% accurate Battery Health status reporting.
Data-Driven Full Cycle Aging Test
We perform comprehensive aging tests to verify data integrity across the entire discharge curve. This ensures that the battery’s reported power percentage remains accurate and linear, preventing sudden shut-downs and providing the reliable user experience essential for premium electronics distribution.
Precision OEM Labeling & Regulatory Silk-Screen
We support your brand's global growth with professional OEM services. Our high-precision silk-screening ensures that custom logos, safety warnings, and local regulatory marks (CE, RoHS, FCC) are applied with retail-grade quality, making the product ready for immediate sale in your local market.
Anti-Static Safety Packaging & Global Logistics
To protect sensitive BMS circuits during transit, we utilize professional anti-static and shock-absorbent packaging. Our organized warehouse and fulfillment system ensure that all wholesale orders are packed to international dangerous goods standards, guaranteeing safe and timely arrival for your B2B supply chain.
From Cell to Pack: Precision Manufacturing Standard
At Balder Power, every custom battery pack begins with our rigorous Cell Consistency Sorting process. We don’t just assemble; we match voltage and internal resistance to the micro-level to ensure maximum pack longevity. Watch our engineering team in action—from automated spot welding to our mandatory 48-hour Aging Test—guaranteeing that the battery you receive performs exactly as designed.
Let Numbers Speak
Real Inventory. Real Response.
“I believe the best quality control happens on the floor, not in an office. That is why I am deeply immersed in our daily warehousing and sorting operations. For me, inventory visibility is trust. My priority is to control quality from the very beginning—starting with raw cell selection—to guarantee the superior performance of the finished battery pack. This hands-on oversight bridges the gap between production schedules and your project deadlines, ensuring seamless execution and direct manufacturing efficiency.”
Global Safety & Compliance Standards
Safety is our baseline. We hold over 20+ international lithium battery certifications. Every lithium battery pack leaving Balder Power is fully certified for global shipping and safe operation.








Ready to Scale Your Energy Business?
Stop settling for standard products. Let our engineering team build the exact battery solution your market demands.