The best power solution for small electronics in the market

Millibatt is a global leader in the design and manufacturing of microbatteries. We couple microfabrication expertise with new materials to deliver the most capable batteries in small formats. Our Nimbus line of rechargeable lithium-ion batteries delivers 8x higher power in familiar and durable coin cell formats, and we are constantly innovating to develop new applications for small wireless sensors.
Nimbus Product Line
Nimbus is a series of rechargeable high power coin cells available in virtually any dimensions. Samples of Nimbus 9 and Nimbus 20 are available for qualified customers. If you are interested in other coin cell dimensions, let us know. We produce custom Nimbus batteries in 6 weeks with low tooling fees and minimum order quantities as low as 10 batteries.

Nimbus 9
Perfect for Bluetooth applications
Specifications:
Diameter 9.5mm
Thickness 2.7mm
Capacity 10mAh
Nominal voltage 3.7V

Nimbus 20
Higher power and capacity for cellular IoT and LoRa
Specifications:
Diameter 20mm
Thickness 3.2mm
Capacity 80mAh
Nominal voltage 3.7V

Custom Nimbus
We can build you a custom battery for your product
Contact us HERE if you are interested.

Development Kit
Motion Stone Development Kit is an exemplary implementation of Nimbus 9 in a power-intensive sensing application, sampling 6-axis position at 20 Hz and communicating over Bluetooth. Nimbus 9 enables a tiny 17 x 17 mm package built from off the shelf surface-mount components.

Motion Stone Dev Kit
Bluetooth motion capture in a tiny package, powered by Nimbus 9