Ultra thin battery

0.4mm~1.5mm thin Lithium polymer battery for smart cards applications

Ultra thin battery is a lithium ion polymer battery with a thickness of less than 1.5mm. With long years of experiences on custom special battery,Padre can design and produce variety of ultra thin battery which ranges from 0.4mm to 1.5mm. Being as thin as paper, it is widely used in smart cards,credit cards,RIFD,Safety guards,smart access system and so on.

Learn more about itContact for custom ultra thin battery solution

Visitor guidance

1-What is ultra thin battery.

Ultra thin battery is an important type of special shape lithium polymer batteries with amazing super thin feature.The thickness can be as thin as 0.4 mm ~ 1.5 mm, just like that of a hard paper.As a custom shape battery, ultra-thin battery is catching more and more attentions from smart cards companies.

ultra thin battery

ultra thin battery

As we come to a smart controlling world, more and more consumer electronics that we always use are also changing themselves to catch up with the new demands. We already saw the innovation of smart glass,smart watch,smart bracelets, with embedded multi functions, they made our lives more and more convenient. In the past years, USA and some EU countries are developing smart financial system, part of the plan is to push the applications of smart cards for payment, access system. With very limited space in the cards, a new ultra thin rechargeable battery must be created to fit it. 

smart card with ultra thin battery

smart card with ultra thin battery

Padre designed it’s ultra thin lipo battery series to meet the demand from global smart card market, Now we can make the battery as thin as 0.4mm, it can be fit most smart card design needs. so far we have mass produced several 1mm and 0.8mm ultra thin batteries for company like HONEYWELL. 

Ultra thin battery major technical specs:

  • Nominal voltage: 3.7 V ( or 3.8V)
  • Charging voltage: 4.2 V
  • Discharging cut off voltage: 3.0V or 2.75V
  • Charging cut off voltage: 4.2V
  • PCM(protection circuit) Required: Yes, recommend to be integrated into application PCBA.
  • Capacity: custom
  • Thickness: 0.4mm~1.5mm
  • Typical application: Smart cards.

2- Why PADRE ultra thin battery

PADRE is one of earliest lithium polymer battery manufacturers who developed ultra thin battery in the world. Begin from 1.5mm, then 1.2mm, 1.1mm, 0.8mm to now 0.4mm, we developed comprehensive design and manufacturing ability on ultra thin battery. PD series ultra batteries passed customer tests and proved to be reliable in long term operating.

PD ultra thin battery advantages

  • flexible support on custom solutions
  • Reliable and stable performance
  • Long cycle life
  • Safe. We do strict safety tests on these batteries before delivery.
  • Long years of experience on ultra thin battery
  • Samples and mass production are available
  • OEM, ODM available.

3- Some hot selling ultra thin batteries.

4- FAQ on ultra thin battery.

Question 1: Can you make custom ultra thin battery for us?

Answer: Yes. you can tell us your requirements on the battery thickness, width, length,capacity, continuous discharge current, peak discharge current, and the positive tab, negative tab position, we will create a battery solution for your confirmation, If its ok, then we will make it for you.

Question 2: How to order ultra thin battery?

Answer: The process to order our low temperature LiPo battery is as below:

  1. Confirm battery voltage,dimentions,capacity,discharge current,operating temperature, application,assembly
  2. We offer you with battery solution with quotes
  3. Confirm datasheets and order
  4. We send you invoice for payment
  5. Start battery manufacturing.
  6. Battery get ready and be delivered to you.
Question 3: What kind of Gurranty do you have for your ultra thin battery?

Answer: We offer one year gurranty for our ultra thin lithium battery products, We can take responsibility to replace if the defects are caused by manufacturing after investigation.However, if the problem is caused by incorrect dispatch, wrong operating,abused use, then its beyond our responsibility.

Question 4: How long is your lead time for the ultra-thin LiPo battery?

Answer: For battery samples, If we have the same or compatible LiPo battery cells available in stock, then the lead time is generally 4~7 days. If there is no stock, we need to take 2~3 weeks to produce it. 

For mass production, it takes generally 30 days when there is no stock. If there is enough battery in stock, it takes about 1~2 weeks.

Question 5: Can you make high rate ultra thin battery for us?

Answer: Yes. We can customize 3.8v high voltage of different capacity, capacity and different shapes according to your specified design requirements. After receiving details of your requirements, we will evaluate and get back you with battery solution for your confirmation, if you are not satisfied, we can adjust solutions till you say ok.

Question 6: Do you offer datasheets/specifications for your ultra thin batteries?

Answer: Yes. We will confirm with you on the main parameters of the 3.8v LiPo battery, such as the dimensions, capacity, cables, connectors,discharge current. Then we will offer official battery datasheet for your approval.

Question 7: Do you have lab testing data for your ultra thin battery?

Answer: If we have it in stock, you can order any quantity. If it’s out of stock, generally speaking you need to order 5k pcs to start production, however, to support your project, before mass production, we can support one or two small quantity production.

Question 8: Can you apply battery certificates IEC62133 and UN38.3 for us ?

Answer: Sure. We can apply different kinds of battery certificates for you on your request. The IEC62133, UN38.3,MSDS,CE,ROHS,REACH,UL,KC,CB are available.

Contact us with your inquires(batterylipo.com)

Tell us what kind of LiPo battery you are looking for:


2-Capacity you hope to have

3-Battery size/dimentions

4-Work current of your device

5-Cables and connector

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