PowerBoost 500 Basic - 5V USB Boost @ 500mA from 1.8V+ : ID 1903 : $9.95 : Adafruit Industries, Unique & fun DIY electronics and kits

Lithium Ion Cylindrical Battery - 3.7v 2200mAh : ID 1781 : $9.95 : Adafruit Industries, Unique & fun DIY electronics and kits

Power Products Category on Adafruit Industries

Power Products Category on Adafruit Industries

Overview, PiGRRL - Raspberry Pi Gameboy

Lithium Ion Cylindrical Battery - 3.7v 2200mAh : ID 1781 : $9.95 : Adafruit Industries, Unique & fun DIY electronics and kits

Lithium Ion Cylindrical Battery - 3.7v 2200mAh : ID 1781 : $9.95 : Adafruit Industries, Unique & fun DIY electronics and kits

VERTER 5V USB Buck-Boost - 500mA from 3V-5V / 1000ma from 5V-12V [TPS63060] : ID 2190 : $9.95 : Adafruit Industries, Unique & fun DIY electronics and kits

JAMBON CRU A LA TRUFFE, jambon cru

PowerBoost 500 Basic - 5V USB Boost @ 500mA from 1.8V+ : ID 1903 : $9.95 : Adafruit Industries, Unique & fun DIY electronics and kits

Adafruit MAX17048 Lipoly / LiIon Fuel Gauge and Battery Monitor - Stemma JST PH & Qt / Qwiic

JAMBON CRU A LA TRUFFE, jambon cru

PowerBoost 500 Basic - 5V USB Boost @ 500mA from 1.8V+ : ID 1903 : $9.95 : Adafruit Industries, Unique & fun DIY electronics and kits

JAMBON CRU A LA TRUFFE, jambon cru