UN38.3 Certified 3.7V 640mAh Lithium Polymer Battery Pack - Rechargeable LiPo Battery for Digital Devices
Price:
Negotiable
MOQ:
3000pieces
Delivery Time:
within 15days
Product Description
UN38.3 443442 Lithium Polymer Battery Pack 3.7V Rechargeable 600mAh/640mAh
High-quality 3.7V 640mAh Li-ion Polymer rechargeable battery manufactured in Shenzhen, designed for speakers and various digital applications.
Product Specifications
| Product Name | Lithium 640mAh 3.7V 443442 Li-ion Rechargeable Battery for Speakers |
|---|---|
| Model | 443442 |
| Cell Type | Lithium Polymer Battery |
| Nominal Capacity | 640mAh |
| Maximum Cutoff Voltage | 3.7V-4.2V |
| Maximum Discharge Current | 1C |
| Connector Type | JST / Molex (Customizable) |
| Battery Internal Resistance | 35Ω to 50Ω |
| Product Certificates | ISO9001, CE, RoHS, UL, IEC, CB, KC |
| Battery Life | 500 cycles |
| Packaging | Industrial carton packaging meeting international air and shipping standards |
| Manufacturer | DATA POWER - 13 years of lithium battery production experience |
| Sample Testing | Available |
| Production Cycle | 2-3 weeks (expedited 3-day delivery available) |
| Application Fields | Digital Products, Medical Facilities, GPS, MP3/MP4, Mobile Phones, etc. |
Product Advantages
- Lightweight, compact size with high capacitance, energy density, and safety
- Premium lithium battery core materials with built-in overcharge, overpressure, and overcurrent protection
- Eliminates risks of short circuit, leakage, and explosion
- Military-grade smart IC chip protection board with comprehensive safety features
- Long service life: 600+ charge/discharge cycles, 2-3 year battery lifespan
Other Popular Li Polymer Battery Models
Shenzhen Gold Power Energy offers over 1,000 lithium polymer battery models with capacities ranging from 20mAh to 5000mAh.
| Model | Dimension | With PCM Dimension | Capacity |
|---|---|---|---|
| 302025 | 3.0*20*25mm | 3.2*21*27.5mm | 3.7V 100mAh |
| 302530 | 3.0*25*30mm | 3.2*26*32.5mm | 3.7V 180mAh |
| 401824 | 4.0*18*24mm | 4.2*19*26.5mm | 3.7V 180mAh |
| 402525 | 4.0*25*25mm | 4.2*26*27.5mm | 3.7V 200mAh |
| 483450 | 4.8*34*50mm | 5.0*35*52.5mm | 3.7V 850mAh |
| 502030 | 5.0*20*30mm | 5.2*21*32.5mm | 3.7V 240mAh |
| 502525 | 5.0*25*25mm | 5.2*26*27.5mm | 3.7V 180mAh |
| 503030 | 5.0*30*30mm | 5.2*31*32.5mm | 3.7V 430mAh |
| 523450 | 5.2*34*50mm | 5.4*35*52.5mm | 3.7V 1000mAh |
| 553444 | 5.5*34*44mm | 5.7*35*46.5mm | 3.7V 850mAh |
Product Images
Why Choose Us
Technology
- All-weather applicability (-30~60℃)
- Highly safe battery design with advanced electrolyte and separator technology
- Full coverage of battery varieties: Lithium ion cylindrical, lithium polymer, LiFePO4, solar energy storage, square aluminum shell, primary batteries
R&D
Experienced R&D team with over 60 engineers and advanced equipment supporting OEM and ODM requirements.
Certifications
CE, RoHS, BIS, KC, CB, UL, MSDS, UN38.3, IEC61233 certified.
Factory Tour
Shenzhen Gold Power Energy Co., Ltd is a leading battery supplier in China, offering various batteries including Li polymer, Lithium ion, LiFePO4, and customized battery packs since 2001.
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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 gold power energy co.,ltd
Location
11 floor, building 9, Tianlixin Industrial Park, longxi Community, Longgang District, Shenzhen 51800, China
Contact Person
Linda