USB Rechargeable Lithium-Ion 9V Battery with Cable | xUmp
Lithium Ion Cylindrical Battery - 3.7v 2200mAh : ID 1781 : $9.95 : Adafruit Industries, Unique & fun DIY electronics and kits
3,2 volt zonnebatterij Lithium 18650 IFR LiFePo4-batterij met onbeschermde kop, 1400-1500 mAh, afmetingen ca. 66,1x18 mm | LiFePo-batterijen | Accumulator | Akku-Shop Nederland
Amazon.com: AA Batteries - USB Rechargeable Double A Lithium Batteries - Li-ion Battery Cell - 1.5V / 1700mAH (4-Pack) - Not NI-MH/NI-CD/Alkaline Batteries - ECO-Friendly and Recyclable - No Memory Effect :
Hoe werkt een batterij? Alles over de werking en technologie | GP Batteries - GP Batteries