3.7V 300mAh 402040 lipo battery

  • High Energy Density up to 300Wh/L
  • 10% capacity higher than that of our competitors
  • Provide enhanced PCB  and custom wires
  • Strict Quality Check to Ensure Quality of All LiPo Battery 
  • Battery Cycle Life OVER 500
  • MOQ is 100 pieces, with delivery in just 5 days.

3.7V 300mAh 402040 lipo battery

Lithium ion polymer battery(also called “lipo” or “lipoly” battery) has light weight and stronger functions. It’s discharging voltage range is 4.2V TO 3.0V or  2.75V.

Note: you can customize your lipo battery to have or not have any connectors,such as JST, XH, SH, NTC.  So does BMS which used to protect your battery. If you want them. please contact us, we are online.

Battery Type: LiPo Battery
Nominal voltage: 3.7V
Nominal Capacity(mAh):350mAh
Standard Charging Current:0.2C
Standard Discharging Current:0.2C
Maximum Discharging Current: 1C(non-continous)
Charging Temperature Range(℃):0~55 ℃
Discharging Temperature Range(℃):-20~65 ℃
Storage Temperature(℃):-20~45 ℃
Internal Inpedence:<40mΩ
Weight:75±1g
Cycle life:500 

battery drawing

Battery  Dimension: 4*20*40 mm (By Thickness*Width*Length):
Cable Length (Default): 100mm

(Notes: Battery with PCM will generally 2mm longer than Just bare cell)
Standard battery comes with PCM and wire, Bare cell can also be provided.

PCM Details:
Standarded PCM: protect the lipo battery from overcharging, over-discharging,short-circuit and reverse polarity.

Over Charge Protection
Over charge detection voltage: 4.25±0.05V
Over charge detection delay time: 1.0±0.3S
Over charge release voltage: 4.05±0.05V
Over discharge protection
Over discharge detection voltage:2.5±0.1V
Over discharge detection delay time:20±6.0mS
Over discharge release voltage:3.0±0.075V
Over current protection
Over current detection voltage:0.2±0.015V
Over current detection current: 3.0~6.0A
Detection delay time:12±4.0mS
Release condition: Cut load
Short Circuit Protection
Detection condition: Exterior short circuit
Detection delay time: 230~500uS
Release condition: Cut short circuit
Interior resistance
Main loop electrify resistance: VC=4.2V;RSS≤70mΩ
Current Consumption
Current consume in normal operation: 4.0μA Type 8.0μA Max

Connector Types:

JST, Molex, Hirose etc

lipo battery connector

Download

Datasheet
Certificates

Similar Batteries:

Model Thickness
(mm)
Width
(mm)
Length
(mm)
Nominal Voltage
(V)
Max Voltage
(V)
Capacity
(mAh)
301730 3 17 30 3.7 4.2 300
303040 3 30 40 3.7 4.2 300
372927 3.7 29 27 3.7 4.2 300
402033 4 20 33 3.7 4.2 300
403030 4 30 30 3.7 4.2 300
421255 4.2 12 55 3.7 4.2 300
451350 4.5 13 50 3.7 4.2 300
462430 4.8 24 30 3.7 4.2 300
552230 5.5 22 30 3.7 4.2 300
581055 5.8 10 55 3.7 4.2 300
582529 5.8 25 29 3.7 4.2 300
601830 6 18 31 3.7 4.2 300
602028 6 20 28 3.7 4.2 300
602030 6 20 31 3.7 4.2 300
602225 6 22 25 3.7 4.2 300
602725 6 27 25 3.7 4.2 300
682023 6.8 20 23 3.7 4.2 300
701535 7 15 35 3.7 4.2 300
752030 7.5 20 30 3.7 4.2 300
801730 8 17 30 3.7 4.2 300
802219 8 22 19 3.7 4.2 300

3.7V lipo battery

 

FAQ

Q: How do we place an sample order?
A: Please kindly send us your battery requirement
1 battery discharging current
2 battery capacity
3 battery dimension
4 potential bulk order quantity
and we will find the most suitable solution for you, you can then pay us by PayPal or Credit card.

Q: What is your MOQ?
A: 100 PCS per SKU.

Q: What’s the delivery time?
A: The delivery time is 7-15 days after your payment.
Below is timeline for your refrencer

USA: 5-8 days
EU/UK: 7-10 days
AU/New Zealand: 5-8 days
Canada: 15days
Japan/Korea/Singapore/Malaysia: 3-4 days

Q: How would the batteries be shipped?
A: We ship via UPS, DHL, FedEx for urgent orders, and most of our clients would choose to ship by air and local Fedex or UPS to save cost .

Q: Can I track my shipment?
A: Yes, we will send you the tracking No. after your batteries shipped.

Q: Can you make customized lipo battery?
A: Yes, we can custom lipo battery as per your design. Mainly like follows
1 Custom battery dimension
2 Custom battery capacity
3 Custom battery discharging current(up to 150C)
4 Custom battery PCM, like NTC or other features
5 Custom battery discharging temerature as lower as -60°C
6 Custom battery shape, like Curved Lipo Battery, Round Lipo Battery,Polygonal Lipo Battery, Triangle Lipo Battery, Rectangle Lipo Battery, Hexagon Lipo Battery ,C Shape Lipo Battery D Shape Lipo Battery

Q: What is the lead time for mass production?
A: It depends on the actual situation: if with stock, the lead time will be 7~10 days.
If without stock, that will depend on your order quantity, usually within 15-30 days.

Q: Is there any warranty or after-sales service?
A: 15 months warranty against defective lipo batteries,starting from shipping date.

Q: Can you explain more on how would you warranty your Lipo Battery?
A: For each shipment, we have SN or production number with it, once defective within 15 months, we will send new replacement or refund for the defective part.

Q: How do we make the payment?
A: We accept T/T, Western Union, PayPal, if you prefer other payment, please contact us.

Q: Can we get some Lipo Battery samples for test?
A: Sure, Lipo Battery Samples are always available for you, but the sample cost and freight cost should be paid.

Q: Can we print our logo/brand on the prducts?
A: Yes, you can. We will provide it for free.

Additional information

Nominal Voltage

3.7V

Charging Voltage

4.2V

Nominal Capacity

300mAH

Charging Current

0.2C

Discharging Current

0.2C discharging rate, 1C max

Dimension

4*20*42mm

PCM

Built-in

Connector Type

JST/Molex etc or Flying leads

Wire Gauge

AWG 16-26, 100mm default

Operating Temperature

Charge: 0°C ~ 45°C, Discharge: -20°C ~ 60°C

Storage Temperature

-20°C ~ 45°C

MOQ

100pcs per model

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