18650 Lithium Ion Battery Pack 7.4V 2000mAh 14.8Wh Rechargeable Li-ion Battery for Heated Insoles and Wearables
Price:
Negotiable
MOQ:
100pcs
Delivery Time:
7-10workdays
Brand:
RESKY
Product Description
18650 Li-ion Cell 7.4V 2000mAh 14.8Wh Rechargeable LiFePO4 Lithium Ion Battery Pack for Heated Insoles
High-performance 18650 Li-ion battery pack specifically designed for heated insoles and wearable heating devices, offering reliable power with advanced safety features.
Technical Specifications
| Model | 18650-2S1P |
|---|---|
| Nominal Voltage | 7.4V |
| Nominal Capacity | 2000mAh |
| Size | Customized |
| Max Charge Current | 0.5C |
| Charging Method | Constant current 1C to 8.4V, then charge with constant voltage 8.4V till charge current less than 0.01C |
| Max Discharge Current | 1C |
| Discharge Cut-off Voltage | 5V (over-discharge detection voltage of PCM) |
| Operating Environment | Charging: 0°C ~ 45°C; 65±20%RH Discharging: -20°C~60°C; 65±20%RH |
| Storage Environment | -20°C~45°C; 65±20%RH |
| Lifespan (80% Prime Capacity) | >500 cycles |
Key Advantages
7.4V Standard Voltage
Compatible with most small heating and therapy devices. Safe and stable, this voltage is the most commonly used standard for heat-therapy braces, compact heated apparel, and portable therapeutic devices.
18650 Lithium Cells
Featuring industrial-grade 18650 power cells with low internal resistance, minimal heat generation, long lifespan, and resistance to swelling—significantly more durable than standard soft-pack batteries.
2000mAh Capacity
Lightweight and compact design provides sufficient runtime for daily heating needs without adding bulk or burden to wearable devices.
Integrated Protection Board
Built-in protection against overcharging, over-discharging, over-currents, short circuits, and overheating ensures safe operation and device longevity.
Compact Size
Cylindrical structure allows easy integration into braces, waistbands, and vest pockets for hassle-free portability.
Stable Discharge & Uniform Heating
Consistent voltage output ensures uniform heat distribution across heating elements for comfortable thermal experience.
High Cost-Effectiveness
Benefiting from mature 18650 supply chain and stable pricing, ideal for large-scale manufacturing and consumer-grade applications.
Applications
Compact Heated Wearables
- Heated Waist Supports, Heated Knee Supports, Heated Neck Wraps, Heated Shoulder Wraps
- Heated Insoles, Heated Socks, Heated Gloves
- Lightweight Heated Vests, Heated Underwear (Low-Power Models)
Applications: Winter warmth, office cold protection, relief for individuals sensitive to cold joints.
Heat Therapy & Wellness Devices
- Cervical Spine Warmers, Lumbar Heat Belts, Menstrual Relief Warmers, Abdominal Heat Wraps
- Joint Heat Supports, Moxibustion Heat Packs, Compact Therapy & Massage Pads
Applications: Joint warmth for the elderly, postpartum heat therapy, lumbar and abdominal warmth for sedentary individuals.
Portable Massagers / Compact Wellness Devices
- Heated Massage Pillows, Neck Massagers, Mini Massage Belts
- Compact Vibration & Heat Therapy Devices, Portable Home Wellness Gadgets
Outdoor / Sports Warmth Accessories
- Heated Cycling Gloves, Heated Wrist Supports for Hiking/Mountaineering
- Warm Knee Supports for Fishing, Lightweight Heated Gear for Construction Sites
Features: Lightweight and portable; suitable for short-duration outdoor cold protection.
Compact Smart Home / Personal Warmth Devices
- Portable Hand Warmers, Compact Desktop Heating Pads
- Small Pet Heating Pads, Mini Heat Pads
Medical Rehabilitation Aids
- Post-operative Local Heat Supports, Heated Joint Rehabilitation Braces
- Compact Local Warming Devices for Bedridden Patients
Product Images
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Shenzhen Resky Electronics Co., Ltd.
Location
Room 1405-1, Building 3B, Huaqiang Idea Park, Guangming Street, Guangming District, Shenzhen, Guangdong Province,China
Contact Person
Alice