Home / 450840 Lithium Battery
The 450840 3.7V lithium polymer battery delivers stable output and lightweight performance in a compact form. Its slim structure fits space-limited electronics, while flexible OEM customization supports various connectors and configurations for seamless integration into different device designs.
- Model: KYS 450840
- Cell Size: 4.5×8×40 mm
- Finished Size: 4.5×8×42 mm
- Operating Voltage: 3.7 V
- Capacity: 120 mAh
- Internal Resistance: 170 mΩ
- Application Scope: Electronic Products
- Charging Voltage: 4.2 V
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Product Details
Product Features
-
🔋 High Capacity & Stable Output
Genuine capacity with low self-discharge for steady, long-lasting power. -
🛡️ Multi-Protection Safety Design
Built-in protections guard against overcharge, over-discharge, over-current, and short circuits. -
🔧 Flexible Customization
Supports adding wires, PCBs, and connectors to meet specific requirements. -
🔄 Long Cycle Life
Designed for stable performance through repeated charge and discharge cycles. -
📱 Wide Application Range
Suitable for various portable and compact electronic devices. -
🏭 Factory Direct Supply
Strict quality control with fast sample support and OEM service.
Product Application Areas
Ideal for portable and daily-use electronics requiring safety, long cycle life, and compact size.
- Personal Care: Electric toothbrushes, Sports bracelets, Medical devices
- Audio & Entertainment: Headphones, Speakers, Toys
- Daily Electronics: LED lights, General electronic products
Technical Parameters
| Model | KYS 450840 |
| Brand | KYS |
| Cell Size | 4.5×8×40 mm |
| Finished Size | 4.5×8×42 mm |
| Operating Voltage | 3.7 V |
| Capacity | 120 mAh |
| Internal Resistance | 170 mΩ |
| Processing Method | Customized |
| Application Scope | Electronic Products |
| Charging Voltage | 4.2 V |
