3.7 V 40mAh Li ion Battery LP351121



Small Volume Pricing (USD $)

1+ $10.00
10+ $5.00
50+ $3.50
100+ $2.90

Contact us for a quotation for production quantities, customizations and integration such as custom wire length or with JST/ Molex connectors.

Out of stock

3.7 V 40mAh Li ion Battery LP351121

Small LiPo Battery 3.7 V 40mAh for Electronic Portable Device. Get a Full Quote in One Day! You can save the cost of making custom lipo battery . New Design Support. Find Best Battery Seller. Premium Quality. Lithium Battery Expert. Huge Selection in Stock. Lithium Polymer Battery Made in China. Good Prices. Certification Approval. Custom LiPo Battery.  Standard LiPo Battery.

  • Factory price& High quality
  • Good consistency, low self discharge
  • Light weight, small size
  • High stability
  • High discharge rate
  • Quality and security guaranted,with CE,UN38.3 approval.
LiPo Battery Mechanical   Chracteristics
Lipo Cell LP351121
Lithium Battery PCM Yes
Configuration 1S1P
Battery Weight appr. 2g
Lipo Battery Dimension 3.5mm*11mm*21mm
Lithium Battery Electrical   Specification
Lipo Battery Rated Capacity 40mAh min, 45mAh   typ.
Lithium Polymer Battery Nominal Voltage 3.7V
Lipo Battery Wat-Hour Rating 0.148Wh
Max. Operating   Voltage Range 2.75V to 4.20V
Max. Charge   Voltage 4.2V ±50mV
Max. Charge   Current 20mA
Max.   Continuous
Discharge   Current 40mA
Discharge Cut   Off 2.75V
Internal   Impedance <200mΩ
Lipo Battery Expected Cycle Life 500 cycles ≥ 80%
@ (0.5C/0.5C) @ 23±5°C



1.Payment methods : Paypal, T/T


1.Delivery: DHL door to door 10-15 work days.

2.Item will be shipped within 5-7 business days after the payment.
3.If you haven’t received the item on the Delivery Time, pls contact us by email if you have any questions. Normally, we will give you a reply within 24 hours, if not, pls check the spam of your email box. We will do our best to help you solve the problems.
4.Please make sure your address is matched with the finally shipping address before you pay.
5.In order to ensure you receive your order tax free upon import, we will declare it with a lower value, pls be noted ,thanks!


Q: If customized, what information should you provide?
A: You need to provide the basic specification of the Lithium polymer battery such as: Capacity, Sizes Applications, Voltage, Leads wire,Terminals. The minimum order quantity for custom lipo battery is 5000 pieces.

3.7 V 40mAh