TinyCircuits
LITHIUM ION POLY BATT 3.7V 290MA. Battery Packs Lithium Ion Polymer Battery - 3.7V 290mAh
SparkFun Electronics
BATTERY LITHIUM 3.7V 6AH. SparkFun Accessories Lithium Ion Battery - 6Ah
SparkFun Electronics
LI-ION BATTERY 2.2AH. SparkFun Accessories Lithium Ion Battery - 2200mAh 7.4v
SparkFun Electronics
LI-ION BATTERY 1AH. SparkFun Accessories Lithium Ion Battery - 1000mAh 7.4v
Seiko Instruments
BATT LITH 3V 3.4MAH COIN 6.8MM. Coin Cell Battery Recharge Battery/Tab RTC/SRAM Backup
Seiko Instruments
BATT LITH 1.5V 2.5MAH COIN 6.8MM. Coin Cell Battery TS621E W/Tab RTC/SRAM Backup