stom 3.7V Rechargeable Lithium Polymer Battery Cell all kinds of size for Smart Electronics OEM/ODM Manufacturer
This Small Li Polymer Battery , it can customized as per you need, with a protection circuit board, 10K NTC, 50mm, 100mm, or customized length of wires, connectors.
| Parameter | Specification Details |
| Product Type | Rechargeable Lithium Polymer (Li-Po) Battery Cell , all kinds of the size / capacity/ customized option |
| Nominal Voltage | 3.7V (Charge Cut-off Voltage: 4.2V) |
| Available Models | 523450-1000mAh 803040-1000mAh 103040-1200mAh 102540-1100mAh 103450-1800/2000mAh 505060-2000mAh |
| Capacity Range | All kinds of range |
| Dimensions (T x W x L) | As per you need |
| Cycle Life | ≥500 times (Standard charge/discharge, capacity retention ≥80%) |
| Protection Circuit (PCM) | Over-charge, Over-discharge, Over-current, Short-circuit protection (Optional/Customizable) |
| Working Temperature | Charge: 0°C ~ 45°C | Discharge: -20°C ~ 60°C |
2. Main Product Features
Ultra-Thin & Lightweight Design: Perfect for modern, sleek consumer electronics where space is premium.
High Safety Performance: Built-in high-quality explosion-proof formulas. No liquid leakage, superior safety profile compared to cylindrical lithium-ion cells.
Low Self-Discharge: Exceptional shelf-life with minimal power loss when stored, ready for cross-border shipping and warehousing.
Excellent Discharge Stability: Flat discharge voltage curve ensures consistent power delivery to end-use devices.
3.Applications
Our high-performance polymer cells are widely deployed in modern smart devices, including but not limited to:
Beauty & Health Care: Rechargeable massage guns, facial cleansers, smart massagers.
Smart Home & Office: Portable mini fans, smart locks, Bluetooth speakers, wireless earphones.
Consumer Electronics: High-capacity power banks, backup power supplies, GPS trackers, and IoT devices.
4. Company Advantages & B2B Services
Established Expertise: Founded in 2014 in Shenzhen—the world capital of electronic hardware—with over a decade of production excellence.
Full Industrial Certifications: Our production facility is BSCI-audited, and products have secured CE, RoHS, FCC, UL, PSE, FDA, MSDS, and UN38.3 certifications, ensuring 100% compliant global export.
Strong OEM/ODM Capability: Backed by an innovative R&D team and professional engineering staff. We assist global cross-border e-commerce sellers from blueprint/sample prototyping to mass production.
Strict Quality Control: Every piece of polymer battery undergoes rigorous testing (voltage, internal resistance, and physical dimension checks via precise digital calipers) before shipment to guarantee zero-defect delivery.
Secure Global Logistics: Experienced in handling dangerous goods (Class 9) shipping. We provide safe packing solutions (palletized shipping) with optional 100% cargo insurance.
Exquisite Craftsmanship & Premium Materials
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- Smart Protection (PCM): Equipped with a high-quality protective circuit safeguarding against over-charge, over-discharge, over-current, and short circuits.
- Advanced Structural Integrity: Wrapped in premium imported aluminum-plastic film with high-temperature resistant tape (up to 280°C) to ensure ultimate safety under thermal stress.
- Eco-Friendly Components: Utilizes antioxidant lead-free solder and pure copper wires for stable conductivity and strict global environmental compliance.
- Flexible OEM Branding: Supports fully customizable inkjet text printing formats for seamless integration into your brand’s supply chain.
Premium Rechargeable 3.7V Li-Polymer Battery Cells by Shenzhen Kingberry
As a leading source manufacturer in Shenzhen, Shenzhen Kingberry Electronic Technology Co., Ltd. delivers high-performance, export-grade lithium polymer cells designed specifically for global wholesalers, B2B buyers, and top-tier cross-border e-commerce brands.
Why Source From Kingberry?
We understand that B2B buyers require reliability, consistency, and strict compliance. That is why our polymer cells feature 100% true rated capacities and accurate physical dimensions. Each cell undergoes thorough multi-stage QA/QC inspection before final packaging.
Our Comprehensive One-Stop B2B Service Includes:
- Low MOQ Support: Flexible minimum order quantities to help you manage inventory risks.
- Customization (OEM/ODM): Tailor-made battery dimensions, lead wire lengths, and connector types (JST/Molex/custom pins) to directly match your product housing.
- Regulatory Documentation: Fast provision of MSDS, UN38.3, and certificate copies to accelerate your logistics and marketplace compliance.
- Reliable After-Sales Support: Dedicated technical support engineers to assist with your power management circuit designs.
Partner with Shenzhen Kingberry today to power your future products with absolute security, high quality, and a win-win price structure. Contact our sales team now for an instant wholesale quotation!
Contact us by whatsApp to geta quickly of catalog if any interesting; +8613825260274
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