Green Cell® LiFePO4 Battery | 7Ah 12.8V 89.6Wh | Low Weight Lithium Iron Phosphate Caravan Photovoltaic BMS for Camping Car Boat Cart Golf Car Solar Ups Bakcup Wind Energy Marine : Amazon.com.be:
Li-Ion Battery Lithium Ion Battery ICR18650 3.7V 2600mAh Without PCB , 8,29 €
Arduino Basic Kit (EU) - RobotShop
Li-Ion Lithium Ion Battery ICR18650 3.7V 2200mAh with JST-PHR-2 Conne, 9,48 €
ENEGON 9V 650mAh USB Direct Rechargeable Lithium-ION Battery with 2 in 1 TypeC USB Cable for Microphone, Smoke Detectors, Electronic Toys, Walkie Talkie and Other Devices, Pack of 2 Batteries : Amazon.com.be: