High-Performance Curved Lithium-Polymer Batteries

High-Performance Curved Lithium-Polymer Batteries

Understanding Curved Battery Technology

Curved batteries (also known as Bending Batteries) are a specialized category of Shaped Lithium-Polymer Batteries. Their unique flexibility is derived from the colloidal gel electrolyte inherent to Li-polymer chemistry, which allows the cell to be precision-molded into various curvatures.

This structural innovation solves the critical challenge of limited internal space in wearable and medical patch devices. Unlike traditional rigid cells, curved batteries follow the natural contours of the human body or the device housing, making them the mainstream choice for smart rings and wireless audio.

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Technical Specifications: Curved Battery Series

Model Charge Cut-off Rate Capacity Thickness Width Length
BATFT0645045 4.2V 1C 100mAh 0.65mm 45.1mm 45.1mm
BATFT1007022 4.2V 3C 5.7mAh 1.0mm 6.5mm 18.95mm
BATFT4016040 4.2V 1C 245mAh 3.97mm 15.94mm 40.2mm
BATFT8926052 4.2V 1C 1660mAh 8.9mm 25.7mm 52.14mm
BATFT1507025 4.35V 3C 19mAh 1.5mm 7.0mm 25.27mm
BATFT7515038 4.35V 3C 440mAh 6.94mm 15.0mm 38.1mm
BATFT7911048 4.4V 1C 400mAh 7.18mm 11.2mm 46.21mm
(Table truncated for representative models)

Key Characteristics of BATFT Patented Curved Batteries

Our patented curved series is meticulously engineered to meet the sophisticated design demands of modern smart hardware.

  • Ultra-Slim Profile: Thickness options $\leq 6mm$.

  • Maximized Spatial Optimization: Eliminates wasted internal volume, allowing for sleek, ergonomic product industrial designs.

  • High Energy Density & Voltage: Superior power-to-weight ratio with high operating voltage.

  • Extreme Temperature Resilience: Specialized versions available for -50°C to 50°C or -20°C to 80°C.

  • Rapid Charging Capability: Supports fast-charge protocols with excellent discharge cycle stability.

  • Zero Memory Effect: Low self-discharge rates for extended standby and shelf life.

  • Comprehensive Certification: Compliance with IEC62133, MSDS, UN38.3, RoHS, and CE (model dependent).

  • Bespoke Solutions: Available as ready-to-ship standard models or fully customizable tailored solutions.

Primary Application Fields

BATFT’s novel curved batteries are driving innovation in the next generation of wearable tech:

  • Smart Fashion & Health: Smart clothing, wristbands, smartwatches, and smart jewelry.

  • Immersive Tech: AR/VR headsets and tactile interfaces.

  • Audio & Connectivity: Ergonomic Bluetooth headsets and communication devices.Our R&D team partners closely with clients to deliver optimized power solutions that extend runtime without compromising aesthetics.

Technical Comparison: Curved vs. Conventional Batteries

Feature Conventional (Rectangular/Cylindrical) BATFT Curved Battery
Space Utilization Requires dedicated rectangular compartments; creates “dead space.” Directly embeds into the inner rim or housing; zero wasted space.
Design Impact Increases device thickness and bulk. Reduces overall thickness by over 30%.
Weight Often utilizes heavy metal casings. Uses ultra-lightweight aluminum-plastic film, reducing wearer fatigue.
Ergonomics Poor fit for wearable contours. Perfect for long-term wear in medical and consumer electronics.

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