Cordless Phone Battery Solutions | NiMH BT Replacement Packs
High-Quality Cordless Phone NiMH Batteries for BT01 & BT19 Models.
Your Challenges. Our Commitment.
Runtime Anxiety?
Our intelligent BMS extends battery life by 30% in the same form factor.
Safety & Recall Risks?
Exceed industry standards with our S-Tier Safety Testing Protocol for total compliance.
Design & Size Constraints?
Fit powerful, custom batteries into award-winning designs with our miniaturization expertise.
Himax Advantage More Than a Battery, We’re Your Partner
1. Discovery & Strategy
Our Vigilant Design for Safety ensures battery life extended by up
to 30% in the same form factor.
2. Rapid Prototyping
Exceed industry standards with our 9-Tier Safety Testing Protocol
for total compliance.
3. Global Mass Scale Production
Fulfill your customer demands with our engineering and manufacturing
expertise.
Reliable Communication: NiMH Battery Solutions for Cordless Phones
Reliable power is essential for uninterrupted home and office communication. Himax provides high-quality NiMH cordless phone batteries designed for long-term stability and consistent performance.
Our BT-series battery solutions, including BT01 and BT19 models, ensure full compatibility with global cordless phone brands while supporting stable daily operation.
1. Application-Specific Battery Design for Cordless Phones
Cordless phones require reliable standby power and safe long-term charging. Our NiMH battery solutions are engineered to meet these specific needs.
- Standardized Compatibility: Full BT-series models (BT01, BT19, etc.) for easy replacement
- Advanced NiMH Chemistry: Supports hundreds of charge cycles with no memory effect
- Stable Standby Performance: Keeps devices powered during long idle and active periods
- Safety Design: Leak-proof structure with overcharge protection for 24/7 use
→ Contact us to match the right battery model for your cordless phone products.
2. OEM / ODM & Supply Chain Support
Himax supports large-scale procurement with flexible OEM and ODM battery solutions tailored for cordless phone manufacturers and distributors.
- Full Model Coverage: Standard and high-capacity options for major brands
- Global Logistics: Compliant packaging and documentation for international shipping
- Scalable Production: Stable high-volume manufacturing for long-term supply programs
- Consistent Quality: Strict testing ensures reliable performance across all batches
→ Discuss your volume requirements and supply plan with our team.
3. FAQs – Cordless Phone Battery Solutions
Q1: Are your batteries compatible with major cordless phone brands?
Yes. Our BT-series batteries (BT01, BT19, etc.) follow standard specifications, ensuring compatibility with leading global brands.
Q2: What is the typical cycle life of your NiMH batteries?
Our high-quality NiMH cells support approximately 500–1000 charge cycles, depending on usage conditions and charging practices.
Q3: Can you provide customized battery packs for our products?
Yes. We offer OEM and ODM services, including capacity adjustment, branding, and connector customization.
Q4: Are your batteries safe for continuous charging on the base station?
Yes. Our batteries are designed with overcharge protection and leak-resistant structures, making them suitable for 24/7 charging environments.
Q5: Do you support bulk orders for international distribution?
Absolutely. We support large-volume orders with stable production capacity and full export documentation for global markets.
Client Background
The client, a prominent Japanese telecommunications manufacturer, required a high-reliability battery partner to support their extensive range of cordless handsets. Their primary pain points included:
• Massive Model Variety: The need for a single supplier to cover the entire legacy and modern product line, specifically the BT series.
• Strict Market Entry: Absolute requirement for PSE Certification to sell within the Japanese market.
• Quality Consistency: High expectations for leak prevention, stable voltage, and long cycle life to maintain brand reputation.
• Physical Precision: Batteries must feature precise connectors and dimensions for a perfect “drop-in” fit across different handset models.
The Solution: Himax One-Stop Battery Portfolio
Himax Electronics developed a comprehensive OEM/ODM supply strategy, providing full compatibility for the client’s ecosystem:
• 2.4V Series Packs: Capacity range from 500mAh to 1000mAh, covering all models from BT01 to BT19.
• 3.6V Series Packs: Standard 800mAh configuration, covering models from BT01 to BT17.
• Low Self-Discharge Technology: Utilized advanced Ni-MH cells that retain power during long standby periods, ensuring the phone is always ready for use.
• Customized Integration: Tailored wire lengths, connector types, and ruggedized PVC casing to match original equipment specifications exactly.
• Full Regulatory Compliance: Every model is fully certified with PSE (Japan), CE, and RoHS, ensuring 100% legal compliance and smooth customs clearance.
The Impact: Efficiency & Reliability
By consolidating their battery procurement with Himax, the client achieved significant business advantages:
• Simplified Supply Chain: Eliminated the need for multiple vendors by using Himax as a single source for all BT-series models.
• Guaranteed Market Access: Zero compliance issues in the Japanese market thanks to our pre-certified PSE documentation.
• Reduced Returns: High-quality cell selection led to a 30% reduction in battery-related warranty claims compared to previous suppliers.
• Legacy Support: Himax’s commitment to producing older models allowed the client to continue supporting their long-term customer base effectively.
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.
Safety & compliance for batteries
Transportation Safety (Global)
UN 38.3 — Lithium battery transport safety
MSDS / SDS — Material Safety Data Sheet
Battery Safety Standards
IEC 62133 — International lithium battery safety
standard
UL 2054 / UL 1642 — North American battery safety
standards
Market-Specific Regulations
European Union — CE, RoHS, EPR, GPSR
https://ec.europa.eu
South Korea — KC Certification
https://www.kats.go.kr
Japan — PSE (DENAN Law)
https://www.meti.go.jp
Global CB Scheme — IECEE CB
https://www.iecee.org
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.
Ready to Power Your Product with Excellence?
We respond within 1 business day.
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