Slim, extremely light weight batteries based on Lithium Ion chemistry. Each cell outputs a nominal 3.7V at 1250 mAh and is IEC62133 certified!
SparkFun LiPo Charger Plus - PRT-15217 - SparkFun Electronics
Lithium Ion Battery - 1250mAh (IEC62133 Certified) from MindKits New Zealand
Single Cell LiPo Battery Care
IEC62133 Un38.3 Rechargeable Lithium Polymer Battery 604050 3.7V 1100mAh Lipo Battery - China 3.7V Lipo Battery, 3.7V 1100mAh Battery
Sending Sensor Data via Bluetooth
Description Features Documents These are very slim, extremely light weight batteries based on Lithium Ion chemistry. Each cell outputs a nominal 3.7V
Lithium Ion Battery - 1Ah
SparkFun Tutorials
SparkFun Tutorials
Description Features Documents This is a very small, extremely lightweight battery based on Lithium Ion chemistry, with the highest energy density
Lithium Ion Battery - 400mAh
IEC62133 Certified Rechargeable Lithium Ion 18560 1s2p 3.7V 4400mAh Battery Pack for Bluetooth Speaker - China 18650 Battery and Battery
Single Cell LiPo Battery Care - SparkFun Learn
Single Cell LiPo Battery Care
Lithium Ion Battery - 1250mAh (IEC62133 Certified) from MindKits New Zealand
Lithium Ion Battery - 110mAh - PRT-13853 - SparkFun Electronics
Haptic! At the Disco - News - SparkFun Electronics