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Accutronics - An Ultralife Company
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Credit Card Batteries

Entellion credit card batteries have been developed by Accutronics in response to OEM (Original Equipment Manufacturer) demand for an off-the-shelf, compact, rechargeable Lithium Ion battery solution for professional portable and wearable electronic devices.

The CC1150, CC2300 and CC3800 credit card batteries allow device designers to integrate a Lithium Ion battery into the next generation of devices with minimal effort and cost. Each battery has been designed to provide a high level of functionality and safety, reducing time to market, while eliminating tooling and qualification costs.

Complete with the CX3050 and CX6100 desktop chargers, the credit card battery family is the ideal power source for your next portable device.

Lithium Ion Technology

The CC1150, CC2300 and CC3800 credit card batteries contain the latest 3.7V Lithium Ion cells with a Lithium Cobalt Oxide (LiCo2) cathode - this technology offers outstanding volumetric and gravimetric energy density, allowing portable devices to be smaller, lighter and longer running whilst remaining safe and providing excellent cycle life. The CC1150 has a typical capacity of 1150mAh (4.2Wh) whilst the CC2300 has a typical capacity of 2300mAh (8.5Wh) and the CC3800 is rated at 3800mAh (14.1Wh). CC1150, CC2300 and CC3800 are ideally suited to the environments affecting modern handheld and wearable electronic devices – they can be charged between 0°C and +45°C, discharged between -10°C and +50°C and stored between -20°C and +60°C.


CC1150 ‘mini’ credit card battery allows device designers to integrate a Lithium ion battery into new handheld portable devices with minimal effort and cost. The slim plastic casing of the CC1150 is coloured black and has a UL94V-0 rating.

At 86.4mm x 54.0mm, the CC2300 and CC3800 have exactly the same footprint as a regular credit card. This familiar, compact format allows device designers to easily integrate credit card batteries into handheld and wearable electronic devices with minimal effort. The CC2300 is just 9.1mm high and the CC3800 measures only 14.7mm.

Each battery casing is manufactured from UL94V-0 rated plastic and is coloured in modern ‘cool grey’.

Fuel Guage

It is important that users know how long their electronic devices will run before they require charging. The CC1150, CC2300 and CC3800 contain embedded fuel gauge circuitry, which constantly tracks battery capacity and communicates this to the device upon request via an I2C interface (HDQ available as an option). The fuel gauge is also capable of providing other pertinent data such as battery voltage, temperature and serial number, making credit card batteries a valuable part of device power management.

Connector Interface

A reliable system of electrical connection is provided through the use of a 7-way Tyco connector which allows connection to positive, negative, clock, data and thermistor.

Active Protection

To ensure the CC1150, CC2300 and CC3800 remain safe under all operating conditions they contain active electronic circuitry which protects against over-charge, over-discharge, over-current and short-circuit.

Regulatory Compliance

The CC1150, CC2300 and CC3800 can be easily designed into handheld and wearable electronic devices due to the level of regulatory certification that comes as standard:
TRANSPORTATION: All models have been tested to, and meet the requirements of the UN Model Regulations and the Manual of Tests and Criteria (ST/SG/AC.10.11 Rev5 §38.3), meaning they are ready to be offered for transportation without any additional testing or expense.
SAFETY: CC1150, CC2300 and CC3800 meet the requirements of IEC 62133:2012 and a CB test certificate is available upon request. Compliance to this standard is becoming a requirement of many device standards. This includes medical devices certified to IEC 606011 and test equipment certified to IEC 610101.
CE COMPLIANCE: All models meet the requirements of the EMC directive 2004/108/EC and are CE marked.

Technical Support

Accutronics provide full technical support from our headquarters in the UK. We can provide 3D CAD models, charger design support, software assistance and help with regulatory compliance.


Credit card batteries and chargers are available off-the-shelf or can be customised:
CASE COLOUR: The plastic case of any credit card battery or charger can be manufactured in a custom colour to better match the colour of your device.
SOFTWARE: The programming of any credit card battery can be modified. SHA-1 authentication can be deployed in any customised battery which provides a unique digital key that can be verified by your device, ensuring that only your customised credit card battery can be used in your device.
LABELLING: The standard battery or charger labelling can be modified to include your company name, logo and part number, along with your website, telephone number and repurchase information.
PACKAGING: All credit card battery products ship in standard OEM packaging. Custom packaging solutions are available upon request.

No Change Agreement

When we produce a customised battery or charger for any of our customers we also provide a written ‘no-change’ agreement. This simply means that we will not modify the fit, form or function of the product without your prior knowledge and express permission. This gives you the confidence that the product will always remain compliant with your device and prevents any regulatory compliance or quality issues.

Developing a new portable electronic device?

Why specify an Entellion credit card battery in your next electronic device?

Designed specifically for professional OEMs by a company who provide rechargeable batteries to many of the world’s leading portable electronic device OEMs

  • Available off-the-shelf in quantities from one to tens of thousands, either as a standard product or customised to meet your need
  • High tech solution utilising the latest Lithium Ion and fuel gauging technology
  • Backed up with unrivalled technical & commercial support.

Additional Information

You can find more information about our Credit Card Batteries by clicking on any of the links on this page. You can also purchase online or request a quotation for volume production. If you require technical or commercial assistance, please send us an email or complete our enquiry form.  You can also download our brochure.

  1. Accupro

    Ask Accutronics to design & manufacture a unique battery or charger for your new product through our Accupro design & manufacturing service

    Click Here
  2. Inspired Energy

    Accutronics is the sole distributor for the wide range of standard smart batteries, chargers & accessories from Inspired Energy

    Click here
  3. Entellion

    Entellion products are smart, innovative portable power products, designed to meet the emerging needs of feature-laden devices in professional markets.

    Click Here
  4. Ultralife

    Standard cells, batteries, chargers and other products to help decrease your development costs and compress your time to market.

    Click Here