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Lithium Polymer Battery
Created with Pixso. 3.7V 400mAh Rechargeable Lithium‑Polymer Pouch Cell For Consumer Smart Devices Custom Available

3.7V 400mAh Rechargeable Lithium‑Polymer Pouch Cell For Consumer Smart Devices Custom Available

Brand Name: VATS Battery or Neutral
Model Number: 552040
MOQ: 10
Price: US$0.98-1.48
Delivery Time: 7 work days
Payment Terms: T/T
Detail Information
Place of Origin:
Guangdong, China
Certification:
UL1642//UL2054/CB/KC/PSE/CE/ROHS/UN38.3/MSDS
Nominal Capacity:
400mAh
Max Cut-off Voltage:
4.35V
Dimension:
5.5±0.2 * 20±0.5 *40±2.5 Mm
Standard Discharge Current:
0.2C-0.5C
Nominal Voltage:
3.7V
Max Discharge Current:
1C
Packaging Details:
Industrial cartons compliant with air & sea shipping standards
Supply Ability:
Ships in 7 Business Days (In-Stock) / 30 Business Days (Out-of-Stock)
Highlight:

3.7V rechargeable lithium polymer battery

,

400mAh lithium polymer pouch cell

,

custom lithium polymer battery for smart devices

Product Description
3.7V 400mAh Rechargeable Lithium‑Polymer Pouch Cell For Consumer Smart Devices Custom Available

3.7V 400mAh Rechargeable Lithium‑Polymer Pouch Cell for Consumer Smart Devices Custom Available

Specifications
Item Details
Model HZ552040
Cell Type Lithium‑polymer battery (lithium‑ion pouch cell)
Dimension 5.5±0.2 * 20±0.5 *40±2.5 mm (Thickness*Width*Length)
Nominal Capacity 400mAh, custom size / capacity / voltage supported
Nominal Voltage 3.7V
Max Cut‑off Voltage 4.2V
Standard Discharge Current 0.2C‑0.5C
Max Discharge Current 1C
Connector JST / Molex, customizable upon request
Cycle Life Up to 500 charge‑discharge cycles
Certification ISO9001 compliant
Product Brief

This reliable lithium‑ion pouch cell delivers stable 3.7V power for compact portable electronics. It avoids sudden power drops during daily use, supporting long‑time running for small smart gadgets. Custom options are available for your project needs.

Why Choose Us
  • Stable Consistent Output: Maintains steady voltage output under standard discharge rates. Your devices run smoothly without unexpected shutdown during regular operation.
  • Flexible Custom Support: Adjust size, capacity, voltage and connector types. You get battery units tailored exactly for your device project instead of only standard stock items.
  • Decent Cycle Performance: Up to 500 charge cycles for repeated daily usage. It lowers your long‑term component replacement cost for end products.
  • Sample Accessible For Validation: Sample testing is supported. You can verify real‑world performance before placing bulk production orders.
  • Secure Industrial‑Grade Packing: Shipment packaging meets international air & ocean shipping standards. Goods stay protected during cross‑border transit.
  • Reliable Manufacturer Supply: Direct source from China battery manufacturer. You skip intermediate links for clear order communication.
Product Application

This lithium‑ion pouch cell fits wide ranges of portable and smart devices for home use, outdoor travel and daily commuting. It works for car recorders, GPS navigators, smart home appliances, massagers, consumer electronics, digital cameras, sprayers, dental rinsers, smart bracelets, blackhead remover devices, remote controllers, smart watches, electronic toy guns, electric air pumps, smart trash cans, Bluetooth speakers, fingerprint locks, electric hair clippers, dog training collars, pest repellers, camping lights, robot vacuum cleaners, electric toothbrushes, pet water fountains, electric shavers, mini handheld fans and other compact smart products.

FAQ
Q: Can I get a sample of this lithium‑ion pouch cell for device testing?
A: Yes, sample testing is available. Contact our team to arrange sample dispatch for your performance validation.
Q: What is the lead‑time for bulk order?
A: Custom bulk orders take 2‑3 weeks. In‑stock items can ship within 3‑7 working days.
Q: Can I change the connector type for this 400mAh 3.7V battery?
A: Sure. JST and Molex connectors are optional. Share your connector requirement when you submit your inquiry.
Q: How many charge cycles can this lithium‑polymer battery reach?
A: It can reach up to 500 cycles under standard charge‑discharge conditions. Real cycle count varies with actual working current.
Q: Is custom capacity or dimension supported for this pouch battery?
A: Yes. We support custom size, capacity and voltage to match your hardware design requirements.
Q: What shipping standards do you follow for battery parcels?
A: Our carton packaging complies with international air and sea shipping standards for lithium battery shipments.
Q: What devices is this 3.7V 400mAh battery suitable for?
A: It suits many compact consumer gadgets including GPS units, smart wearables, small home electronics and portable handheld devices.
Q: Do you provide manufacturer supporting documents?
A: As direct battery manufacturer, we can provide related certification documents upon your formal request.
After‑sales Guarantee

All our lithium‑polymer cells are produced under ISO9001 production system. We offer professional pre‑sales technical consultation for your hardware matching. Please test battery samples before large‑scale production placement. Notify us promptly if you receive goods with manufacturing defects. We handle qualified after‑sales requests following our formal terms. Our support team responds quickly for your order and product questions.