Our intelligent BMS extends battery life by 30% in the same form factor.
Exceed industry standards with our S-Tier Safety Testing Protocol for total compliance.
Fit powerful, custom batteries into award-winning designs with our miniaturization expertise.
Handheld coffee grinders face a unique mechanical paradox: they require substantial instantaneous power to crush dense, lightly roasted beans, yet must remain exceptionally lightweight and ergonomically compact. At Himax, we develop tailored Lithium-ion Polymer (Li-Po) architectures specifically tuned to resolve the power-to-size conflicts inherent in portable culinary appliances.
OOur specialized grinder batteries are engineered to deliver:
By rigorously analyzing the load profiles of DC motors within confined spaces, we empower appliance brands to elevate portability without sacrificing grind consistency.
→ Share your internal cavity dimensions to receive a high-torque, space-saving power proposal.
Portable coffee gear travels constantly—from kitchen countertops to high-altitude campsites—demanding an impeccable safety profile. Recognizing the physical demands placed on handheld devices, Himax batteries integrate comprehensive safety architectures to ensure absolute stability during frequent daily charging and discharging cycles.
Core safety protocols and protective measures include:
We package these embedded safety features with complete technical documentation, accelerating your product’s journey into highly regulated European and North American retail markets.
→ Request a complete set of consumer appliance safety testing reports for your target demographic.
Theoretical energy capacity means little if a battery cannot sustain the torque required for a fine espresso grind. Moving beyond static laboratory benchmarks, our power modules are evaluated against the dynamic, high-resistance load profiles of actual coffee grinders.
In a recent deployment for a leading outdoor cordless grinder, we engineered a specific 3.7V, 2400mAh (8.88Wh) Li-Po pack. By utilizing a highly efficient 1S4P configuration confined to approximately 37 × 35 × 24 mm, we achieved a remarkable mechanical balance.
Measurable advantages from this field-tested configuration include:
These precision-engineered power modules guarantee dependable functionality, bridging the gap between miniature design and high-performance motor output.
→ Ask our engineers for simulated motor-load discharge data tailored to your specific appliance.
Recognizing that premium coffee equipment heavily relies on distinctive industrial design, Himax provides comprehensive OEM and ODM customization. We adapt our power solutions to fit your aesthetic vision, rather than forcing your device to accommodate a standard battery shape.
Bespoke customization options encompass:
Operating as an extension of your internal R&D division, we iterate power solutions that become an invisible yet potent part of the user experience.
→ Send us your preliminary CAD models to initiate a custom battery footprint analysis.
The consumer electronics market moves rapidly, requiring manufacturing partners capable of scaling without compromising on quality. Our battery packs for portable kitchenware are assembled within tightly controlled, highly automated production environments.
Critical manufacturing advantages:
This systematic approach to quality control ensures absolute product uniformity, minimizes procurement friction, and drastically reduces post-sales failure rates.
→ Contact our logistics team to discuss how our automated production lines can support your next product launch.
Distributing lithium-polymer powered devices internationally involves navigating a labyrinth of strict hazardous goods protocols. We streamline global distribution for compact appliance batteries, ensuring entirely compliant and uninterrupted supply chains.
Our dedicated logistics framework provides:
→ Discuss optimized, compliance-assured delivery routes for your manufacturing facilities with our logistics experts.
Q1: What battery chemistry is optimal for portable coffee grinders?
Lithium-ion Polymer (Li-Po) is typically the optimal choice. It offers superior spatial malleability to fit tight, cylindrical housings and provides the high instantaneous discharge rates necessary to drive grinder motors without faltering.
Q2: How do you prevent battery damage if a hard coffee bean jams the motor?
We integrate advanced Protection Circuit Modules (PCM) featuring instantaneous overcurrent and short-circuit cutoffs. If the motor jams and draws an unsafe spike in current, the battery immediately interrupts the circuit, preventing thermal damage to both the cell and the device.
Q3: Can these small batteries genuinely provide enough power for a fine espresso grind?
Yes. By deliberately selecting high-rate discharge cells, our compact 3.7V and 7.4V packs deliver the immediate, sustained torque required to crush dense, lightly roasted beans efficiently.
Q4: What is the expected lifespan of these Li-Po packs under daily use?
Our standard consumer modules are engineered and verified to maintain ≥80% of their original capacity after 300 complete charge cycles, translating to years of reliable daily brewing for the end-user.
Q5: Can you supply custom connectors to plug directly into our proprietary control board?
Absolutely. We customize wire gauges, lengths, and terminal connectors to mate seamlessly with your specific PCB, eliminating the need for manual soldering on your assembly line.
Customer Background & Application Needs
The client is a consumer appliance manufacturer producing portable and cordless coffee grinders for home and outdoor use in Europe and North America.
Battery-operated coffee grinders require a power solution that balances compact size, sufficient torque, and safe daily charging, while fitting into a handheld device.
Key battery concerns included:
• Limited internal space in compact grinder housings
• High instantaneous current needed during grinding
• Stable and safe performance for frequent daily use
Himax Battery Solution & Configuration
Himax Electronics supplied a Li-Po (Lithium-ion Polymer) battery pack optimized for portable coffee grinders.
• Battery specification (applied model):
• Battery Type: Li-Po Battery
• Nominal Voltage: 3.7V
• Capacity: 2.4Ah (2400mAh)
• Energy: 8.88Wh
• Configuration: 1S4P
• Dimensions: approx. 37 × 35 × 24 mm
• Weight: approx. 52 g
Key characteristics:
• Small size and light weight, ideal for handheld grinders
• High peak discharge capability to support grinding torque
• Integrated PCM with overcharge, over-discharge, overcurrent, and short-circuit protection
Compliance, Value & Practical Outcomes
The battery solution is a mature production model with complete testing and documentation, including:
• Reference standards: GB/T18287, UL1642, CE
• Verified cycle life of approx. 300 cycles (≥80% capacity retention)
• Electrical, mechanical, and safety performance testing
After adopting the Himax battery solution, the client achieved:
• Reliable grinding power in a compact cordless design
• Improved user experience through lightweight portability
• Clear and proven battery selection for mass production
Himax Electronics helps coffee grinder manufacturers clarify battery selection for portable motor-driven appliances, supporting safe design and stable production.
Shawn
Battery Engineer
– Power System Design
With over 10 years of experience in lithium battery system design, he specializes in Li-ion, LiFePO4, and LiPo battery packs. His expertise includes BMS integration, thermal management, and custom power solutions for medical and consumer devices.
Dawn
Battery Engineer
– Safety & Compliance
A senior battery engineer focused on safety, testing, and certification. She has extensive experience with UN38.3, IEC 62133, IEC 62619, and CE compliance, supporting battery solutions for medical, industrial, and portable electronic applications.
Joan
Battery Engineer
– Custom Pack Development
Specializing in custom battery pack development, he works closely with OEM clients to optimize voltage, capacity, and form factor. His work supports scalable mass production with strict quality control and long-term reliability.
Alden
Battery Engineer
– Manufacturing & Quality Control
With hands-on experience in battery pack manufacturing, he oversees production processes, aging tests, and quality inspections. His work ensures consistent performance, low defect rates, and stable supply for OEM customers.
Caleb
Battery Engineer
– BMS & Protection Systems
Focused on battery management systems and protection design, she develops PCM/BMS solutions with overcharge, over-discharge, thermal, and short-circuit protection to enhance safety and operational stability across applications.
Nath
Battery Engineer
– Cell Selection & Performance
An experienced battery engineer specializing in cell evaluation and performance optimization. He focuses on energy density, discharge stability, and cycle life, ensuring reliable battery packs for medical and consumer electronic applications.
Certification scope depends on target markets and device classification and should be considered during battery design.
View the full list of battery certifications and compliance standards on our Certification page.
We respond within 1 business day.
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