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.
The global wireless sensor market is expanding fast — smart homes, industrial monitoring, building automation, and asset tracking all rely on sensors that must run for years without a wired power source. For OEM/ODM brands, the battery is rarely the "exciting" part of the product, but it is almost always the component that determines whether the device succeeds or fails in the field. A sensor with a great sensing algorithm and a poorly matched battery will still generate warranty claims, negative reviews, and support tickets from false low-battery alerts or premature failure.
At Himax Electronics, we design custom rechargeable battery packs specifically around the power profile of your sensor — not a generic off-the-shelf cell. Every sensor category has a different discharge pattern: a water leak detector sits idle for long stretches and then needs a burst of current to sound an alarm and push a wireless notification; a motion sensor wakes frequently for short bursts; a temperature sensor may transmit readings on a fixed interval. Matching the cell chemistry, capacity, and protection circuit design to this exact usage pattern is how we extend real-world battery life well beyond what a generic battery can achieve in the same housing.
With over 18 years of battery engineering experience, we support brands from early prototype validation through mass production, helping you avoid the redesign cycles that come from choosing the wrong cell chemistry too early in development.
Wireless IoT sensors are frequently installed in locations that are hard to access for maintenance — under sinks, inside wall cavities, on outdoor equipment, or embedded in industrial machinery. This creates a unique set of engineering constraints that consumer electronics batteries rarely have to solve for:
We work with multiple rechargeable lithium chemistries and help you select the right one for your sensor's actual usage pattern:
Our packs are built in cylindrical and pouch formats, with custom PCB layouts that hug the internal contours of your housing rather than forcing your enclosure design around a standard cell size. This is especially important for slim wall sensors and under-2cm profile devices.
For sensors deployed in basements, bathrooms, or outdoor enclosures, we apply moisture-sealed pack construction and select cell chemistries validated across a wide temperature range, so capacity and voltage stability hold up in the conditions your product will actually see — not just lab conditions.
Every pack includes a protection circuit engineered for the sensor's specific load profile, covering:
Different sensor categories place very different demands on the battery. Here's how we approach the most common ones:
We support the full development cycle, from early-stage cell selection through certified mass production, with customization across:
Our engineering team works directly with your product team during the design phase, so battery constraints are addressed before your housing tooling is finalized — avoiding costly redesigns late in development.
Sensor batteries often ship globally and sit inside consumer products for years, so certification and testing rigor matter as much as raw performance:
Every pack goes through our multi-tier safety testing protocol covering thermal cycling, discharge stability, and mechanical stress, so you can bring certified documentation to your own product's safety filings without starting from scratch.
Building a wireless sensor and not sure which cell chemistry fits your duty cycle, or how to hit a long runtime target in a compact housing?
Himax Electronics engineers custom rechargeable lithium battery solutions that deliver long runtime, compact integration, and certified reliability for next-generation smart sensors — tell us your sensor's power profile and we'll recommend the right chemistry and pack design.
An industrial sensor platform manufacturer developing next-generation AI-driven sensing systems needed a battery capable of sustaining high current draw for real-time data acquisition, wireless telemetry, and autonomous operation — without the voltage sag that typically limits standard single-string lithium-ion packs. Their existing 3S battery configuration struggled to maintain stable voltage under sustained loads, causing intermittent data transmission drops during high-load sensing cycles.
Himax Electronics engineered a custom Li-ion 4S2P 14.4V 6700mAh NCA battery pack, purpose-built for high-performance and industrial-grade sensor platforms. The 4S2P configuration was selected specifically to improve current stability and efficiency over the client’s previous 3S design, delivering a rated 20A continuous discharge while maintaining optimal thermal safety in a compact 80×58×71mm footprint.
In field simulations, the new pack maintained stable voltage under sustained loads exceeding 300W, ensuring reliable data acquisition and uninterrupted operation for the client’s industrial, environmental, and robotic sensing platforms. Compared to the client’s previous same-size lithium-ion solution, the new NCA pack delivered up to 25% higher runtime and 18% greater discharge efficiency — supporting longer-distance telemetry and faster real-time sensing without a redesign of the sensor housing.
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, he 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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