Best Service 303040 Li-polymer Li Ion Li-ion Lipo 320mAh 3.7v 3mm Ultra Thin Lithium Polymer Battery

  • 1-999 Pieces
    $1.80
  • 1000-9999 Pieces
    $1.70
  • >=10000 Pieces
    $1.40
Nominal Capacity:
320mAh
Nominal Voltage:
3.7V
Battery Size:
303040
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Shipping fee:
Depends on the order quantity.
Lead Time:
3 day(s) after payment received
Customization:
Customized logo (Min. Order: 10000 Pieces)
Customized packaging (Min. Order: 10000 Pieces)

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Overview
Quick Details
Place of Origin:
Guangdong, China
Brand Name:
Delong lithium ion battery
Model Number:
DL-303040
Type:
Li-polymer
Certification:
ce
Product name:
303040 Li-polymer Li Ion Li-ion Lipo 320mAh 3.7v
Size:
Customized, 3mm (H)*30mm (W)*40mm (L)
Weight:
34g
Nominal Voltage:
3.7V
Nominal Capacity:
320mah
Discharge rate:
1C
Certificate:
CE/RoHS/UN38.3/MSDS
Cycle life:
500 -800 Times
Application:
electric bicycle,electric scooter
Warranty:
1 Year

Packaging & Delivery

Selling Units:
Single item
Single package size: 
15X15X5 cm
Single gross weight:
1.0 kg
Package Type:
Package of 303040 li po battery Inner packing with EPE pearl cotton, outer packing with thick cardboard cartons or customeized packing
Picture Example:
package-img
Lead Time :
Quantity(Piece) 1 - 5 6 - 10 11 - 100 >100
Est. Time(days) 3 5 15 To be negotiated

Best Service 303040 Li-polymer Li Ion Li-ion Lipo 320mAh 3.7v 3mm Ultra Thin Lithium Polymer Battery 

Product Description

 

Items

Parameter

Battery modelDL-303040
Nominal voltage3.7V
Minimum capacity320mAh(0.2C discharge)
Charging voltage4.2V
Discharging cut-off voltage3.0V
Standard charging0.2C /4.2V
Max charging1.0C /4.2V
Standard discharging0.2C/3.0V
Max discharging 

continuous discharge

1.0C/3.0V

non-continuous discharge

2.0C/3.0V

Shipment voltage≥3.85V

Battery pack impedance

16mΩ
Operating temperature 

Charging:    0°C ~ 45°C

Discharging: -20°C ~60°C

Storage (At 50% SOC and specified temp, 

recoverable capacity in % vs time )    

-10℃~25℃

(12 months ≥85% )

-10℃ ~45℃

(6 months  ≥85% )

-10℃~55℃

(1 month   ≥90% )

20±5℃ is the recommended storage temperature

Visual Inspection

There should not be any remarkable scratches, cracks, 

bolts, cauterization, deformations, swelling, leakage 

and so on the surface of the cell.

Reference standard

GB/T 18287-2013,IEC/EN61960, UL1642

 

 

Features.

Powerful energy,long cycle life,more than 500times

Energy density per volume are higher
Stable BMS system with short-circuit protection ,over-charge protection ,over-discharge protection and over-current protection fuctions .
It can run well under different temperature environment condition
No memory effects.
Light weight:it is lithium polymer battery pack,it has the advantage of light weight.
Application:are widely used in led light,miner light,head light,solar light,DV,etc.
Detail images of 103450 lithium ion battery
Packaging & Shipping

 

Our Services

1. Customized service: OEM or ODM is warmly welcome.

2. Professional sales team: reply within 12 hours.

3. Fast deliver: For sample, we can arrange shipment within 2 days after receive your payment.

4. New product launch : We have a R & D team to research new products.

Company Information

Shenzhen Delong Energy Technology Co., Ltd., which mainly deals in all kinds of lithium batteries and mobile power, integrating R&D, production and sales. Our lithium battery products are mainly used in electronic digital equipment, electric vehicles, power tools and backup power systems, Bluetooth headsets, digital cameras, MP3, mobile phones, miner's lamps, remote control aircraft models and electric vehicles.
Delong battery has a good reputation and has become a well-known brand in the international market, which is mainly due to our battery has a long cycle life, high energy density, stable work and safety in different temperature environments. According to our conditions to increase production, our current production reaches 100K / day, we focus on quality, technology and market. Our products are certified by SGS, ROHS and CE and comply with ISO9001 system standards.
Hot sale products: 36V hailong electric bicycle battery, 48V silver fish battery for 1000W motor, 18650 lithium battery 12v 20ah pack, 12V 100AH Lifepo4 battery pack, portable 220V/110V jump starter power bank for laptop/notebook.

 

FAQ

Q1: Are you trading company or manufacturer ?

A1: We are factory. Welcome to visit us.

Q2: How long is your delivery time?

A2: Generally it is 10-15 days, it is according to quantity.

Q3: Do you provide samples ? 

A3: Yes, we could offer the sample.

Q4: What is your terms of payment ?

A4: For bulk order,30% T/T in advance ,balance 70% before shippment. For sample order,100% payment before production.

 

Q5:What kind of after sales service would you provide ?

 

A5:If you have any questions when using,just feel free to contact us,we have 24 hours service.