Shenzhen Vats Power Source Limited
                                                                                                           
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15 Years
Since 2011
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552035 3.7V 350mAh Li Polymer Battery with Seiko PCB, Rechargeable Lithium Ion Cell

Price Negotiable
Price: $0.95-1.35
MOQ: 10
Delivery Time: 7 work days
Brand: VATS Battery or Neutral
Product Description
552035 3.7V 350mAh Li Polymer Battery with Seiko PCB, Rechargeable Lithium Ion Cell
This high-performance lithium polymer battery delivers reliable 3.7V power for compact electronic devices. Built with Seiko PCB protection, this 350mAh lithium ion cell ensures safe operation and extended service life.
Specifications
Parameter Value
Model HZ552035
Cell Type Lithium polymer battery
Dimension 5.5±0.2 * 20±0.5 * 35±2.5mm (Thickness * Width * Length)
Nominal Capacity 350mAh, custom size / capacity / voltage available
Nominal Voltage 3.7V
Max Cutoff Voltage 4.2V
Standard Discharge Current 0.2C-0.5C
Max Continuous Discharge 1C
Connector Option JST / Molex, configurable on request
Cycle Life 500 cycles
Manufacturer Shenzhen VATS Power Source Limited
Lead Time 2-3 weeks for new orders; 3-7 days for in-stock units
Key Features
  • Seiko PCB Built-In Protection: Standard protection circuit prevents overcharge, over-discharge and short circuits for enhanced device safety
  • Stable 500-Cycle Service Life: Consistent capacity retention over repeated cycles for longer usable time
  • Flexible Connector & Custom Options: Choose JST or Molex connectors, with customizable size, capacity and voltage
  • Factory Direct Supply: Direct manufacturer support with sample testing available
  • Global Shipping Compliance: Industrial carton packaging meets international transport standards
Applications
This lithium polymer battery is ideal for compact portable electronics including: dash cameras, GPS navigators, smart home appliances, massagers, digital cameras, sprayers, dental rinsers, smart bracelets, blackhead removers, remote controls, smart watches, electronic toy guns, electric air pumps, smart trash cans, Bluetooth speakers, fingerprint locks, electric hair clippers, dog trainers, pest repellers, camping lamps, robot vacuums, electric toothbrushes, pet water fountains, electric shavers, handheld mini fans and other smart consumer electronics.
Frequently Asked Questions
Is this 3.7V wearable device battery rechargeable?
Yes, this li polymer battery is rechargeable, with 4.2V maximum charging cutoff voltage.
Can I request samples for testing?
Yes, sample testing is supported to verify compatibility and performance for your project.
Can I customize the connector, size or capacity?
Custom size, capacity and voltage are available. JST or Molex connectors can be selected per your requirement.
What is the typical production lead time?
2 to 3 weeks for custom orders; 3-7 days if the lithium ion cell is in stock.
Does the built-in Seiko PCB offer safety protection?
Yes, the integrated Seiko PCB protects the cell from overcharge, over-discharge and short-circuit.
What cycle life can I expect?
Rated for 500 charge-discharge cycles under standard operating conditions.
What shipping standards does the packaging follow?
Industrial carton packaging complies with international air and ocean shipping regulations for lithium batteries.
Who makes this battery?
Shenzhen VATS Power Source Limited, a direct manufacturer of li polymer battery products.
After-sales Guarantee
We provide consistent quality support for your bulk orders. All units undergo factory inspection before shipment. If quality issues arise under normal use, we support proper after-sales communication and solutions. Our professional sales team responds promptly to technical or order questions, and we follow global battery shipping regulations to ensure smooth logistics. Sample testing is available before large batch production to minimize project risk.

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Shenzhen Vats Power Source Limited
Location 1A 702, Huaqiang Creative Industrial Park, Biyan Street, Guangming District, Shenzhen, Guangdong Province,China
Contact Person Lynn

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