Li-ion rechargeable micro batteries suit Bluetooth applications

The series is comprised of CP 1254 and CP 1654 parts, which feature a voltage level of 3.7V and capacities of 50 and 100mAh, respectively. The series additionally boasts low impedance, an extended shelf life of more than one year and fast charge capability. VARTA will exhibit the CoinPower series at the WT | Wearable Technologies Conference 2015 USA in San Francisco from 9^th and 10^th July.

Certified to IEC 62133/UL 1642 safety standards, VARTA's CoinPower series of Li-ion rechargeable micro batteries is suited for employment in medical, e-health, portable devices, energy harvesting, wireless sensor networks, automotive security and pharmaceutical applications. They are frequently specified in Bluetooth chipsets, smartwatches, digital and analogue watches, fitness devices, electronic games, car keys, MP3 players and insulin pumps.

Featuring superior drain capability (CP 1654 up to 500mA continuous), CoinPower cells may be recharged over 500 full cycles, maintaining at least 90% of their initial capacity. The CP 1254 cells weigh 1.6g and measure 12.1mm in diameter, while the CP 1654 cells weigh 3.2g and have a diameter of a 16.1mm. Both parts are 5.4mm high. The cells use the CC/CV charging method and exhibit virtually no swelling due to their scratch-resistant stainless steel enclosure.#

"VARTA is pleased to offer the lightweight, CoinPower series of Li-ion rechargeable micro batteries," said Philipp Miehlich, General Manager, VARTA Microbattery. "VARTA precision-engineered this reliable, low total cost battery solution to provide exceptional performance in the widest range of Bluetooth portable and wearable technology devices.  The cells feature multiple patented technical innovations, which support higher energy density, extended life and best-in-class mechanical stability.  Our customers are using the advanced capabilities of CoinPower in Bluetooth, medical, health, fitness, automotive and wireless sensor applications."