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{"title":"503450 Polymer Lithium Battery 1000mAh 3.7V Li-polymer Battery Flat Battery","imgUrl":"https:\/\/img.chinax.com\/nimg\/68\/fb\/d1e511c3d8b5207fffe8b595b1f5-200x200-1\/503450_polymer_lithium_battery_1000mah_3_7v_li_polymer_battery_flat_battery.jpg","attrs":{"Brand Name":"VATS Battery or Neutral","Model Number":"503450","Place of Origin":"Guangdong, China","Certification":"UL\/KC\/CB\/IEC62133\/CE\/FCC\/ROHS\/UN38.3\/MSDS"}}
{"title":"502535 3.7V 400mAh Lithium Polymer Battery for GPS\/IOT Card Applications","imgUrl":"https:\/\/img.chinax.com\/nimg\/31\/3d\/cf48ddd726ee1198edbfcccb6991-200x200-1\/502535_3_7v_400mah_lithium_polymer_battery_for_gps_2fiot_card_applications.jpg","attrs":{"Brand Name":"VATS Battery or Neutral","Model Number":"502535","Place of Origin":"Guangdong, China","Certification":"ISO9001\/CE"}}
{"title":"105080 3.7V 5000mAh Lithium Polymer Battery For Power Bank With UN38.3 MSDS","imgUrl":"https:\/\/img.chinax.com\/nimg\/78\/d0\/475b6efcf41651eb7da63b287e2d-200x200-1\/105080_3_7v_5000mah_lithium_polymer_battery_for_power_bank_with_un38_3_msds.jpg","attrs":{"Brand Name":"VATS Battery or Netural","Model Number":"105080","Place of Origin":"Guangdong, China","Certification":"IEC62133\/CE\/UN38.3\/MSDS"}}
{"title":"UL CE Certified Polymer Battery 552535 3.7v 450mAh Power Tool Battery for MP4","imgUrl":"https:\/\/img.chinax.com\/nimg\/0f\/fb\/e072fa55338773d877fec5dd4c92-200x200-1\/ul_ce_certified_polymer_battery_552535_3_7v_450mah_power_tool_battery_for_mp4.jpg","attrs":{"Brand Name":"Vats Battery","Model Number":"552535","Certification":"UL\/CE\/UN38.3\/MSDS","Place of Origin":"China"}}
{"title":"Quality 3.7V 100mAh Li Polymer Battery 351522 Model Rechargeable for Headset and","imgUrl":"https:\/\/img.chinax.com\/nimg\/46\/62\/768622a63b257953cde89bdb7a4f-200x200-1\/quality_3_7v_100mah_li_polymer_battery_351522_model_rechargeable_for_headset_and_electronics.jpg","attrs":{"Brand Name":"VATS Battery or Netural","Model Number":"351522","Place of Origin":"Guangdong, China","Minimum Order Quantity":"3"}}
{"title":"KC IEC62133 CE 602025 3.7V 250mah Lithium Polymer Battery for Electronic Devices","imgUrl":"https:\/\/img.chinax.com\/nimg\/0f\/fb\/e072fa55338773d877fec5dd4c92-200x200-1\/kc_iec62133_ce_602025_3_7v_250mah_lithium_polymer_battery_for_electronic_devices.jpg","attrs":{"Brand Name":"Vats Battery","Model Number":"602025","Certification":"KC\/IEC62133\/CE\/UN38.3\/MSDS","Place of Origin":"Guangdong,China"}}
High-quality CE certified lithium polymer battery designed for humidifiers and beauty instruments. This 3.7V 400mAh 402540 model offers reliable power with advanced safety features.
Product Specifications
Product Name
Polymer Lithium Battery
Model
402540
Voltage
3.7V
Capacity
400mAh
Charge Voltage
4.2V
Cut-off Voltage
2.75V
Std. Charging
0.2C
Max. Charging
1.0C
Warranty
12 Months
Certification
ISO9001/CE
Application
Beauty Instrument
Samples
Support free samples
Battery Quality Features
Grade A cells ensuring high and full capacity performance
Dual IC chip protection against over-charge, over-discharge, over-current, and short circuits
Injection technology for enhanced battery stability
Long life cycle for extended product durability
Technical Characteristics
Customizable sizes, models and capacities with thickness range from 1 to 12mm
Wide capacity range from 15-10000mAh
Built-in BMS or PCB protection for over-charge and discharge safety
Lightweight design: 1/3 weight of lead acid batteries, 70% size/weight of Ni-MH/Ni-Cd batteries
Customizable voltage, capacity, and mating plug/connector options
Wide operating temperature range: -20°C to 60°C
Steady performance with high power output and low self-discharge rate (<3% monthly)
No memory effects with highly efficient charging capability
Environmentally friendly green product with no pollution
Short delivery times with comprehensive service support
Packaging & Shipping
We offer multiple shipping options to meet your needs:
HK UPS: 4-6 days delivery
Air Cargo: 7-10 days delivery
Sea Shipment: Approximately 1 month delivery
With 10 years of experience and trustworthy forwarder partners, we can arrange sea, air, and express transportation efficiently.
Electric tools: saws, electric drills, and power tools
Small household appliances: portable vacuum cleaners, electric mops
Electric toys: remote control toys, model boats and ships
Electric vehicles: electric bicycles and cars
Lighting: emergency lights, solar lights, LED lights
Beauty and health care: electric beauty devices, hairdressing tools
Medical devices: portable electronic medical equipment, hearing aids
Other applications: instruments, GPS devices, access control systems
Our Certifications
Company Information
Our Services & Strengths
ISO9001:2015 certified factory with strict environmental controls
Comprehensive quality assurance using high-quality materials and 100% production inspection
Professional R&D center offering customized size, capacity, PCM, wires and connectors
Low MOQ with strong production capacity and fast dispatch options
Authorized international certifications meeting global standards
Excellent service system with quick response times and 12-month warranty
Production Process - Workshop
Our facilities include water purification systems, research & test labs, plate workshops, cell workshops, capacity grading stations, and PACK workshops.
Production Process - Equipment
Advanced equipment including mixing LDH-60L, coating machines, calenders, formation/capacity grading systems, auto-injection machines, and winding cell equipment.
Customization Services
We specialize in custom battery solutions. Contact us directly to confirm necessary parameters for a customized battery design.
High standard quality management system with ISO9001:2015 and TUV-UL depth certification
We provide not only batteries but also comprehensive solutions for our customers
Why Choose Us
Frequently Asked Questions
Q: How about the warranty of li-ion batteries?
A: Warranty of li-ion battery can be as long as 1 year.
Q: Do you have current sample in stock?
A: We usually have stock for battery cells. For battery packs, we can finish samples quickly once order is confirmed.
Q: Can I have a sample order?
A: Yes, we welcome sample orders and offer OEM/ODM services with customization available.
Q: What's the delivery time for mass production?
A: Usually 25-30 days, depending on quantity, material, and battery cell model.
Q: What kind of certificates could you provide for the battery?
A: We can apply for CE, UL, UN38.3 and other certificates. Certificate fees apply for custom designs.
Q: What is your quality control process?
A: We are ISO9001 certified and perform 100% inspection on all batteries before delivery.