PowerBoost 500 Charger - Rechargeable 5V Lipo USB Boost - 500mA

Un chargeur/booster de batterie Lipo en 5V USB

Adafruit Industries PowerBoost 500 Charger Rechargeable 5V Lipo USB Boost @ 500mA - Micro Center

PowerBoost 500 Basic - 5V USB Boost @ 500mA from 1.8V+

Charger module

Adafruit Lithium Ion Polymer Battery - 3.7v 500mAh

power supply - Samsung 3.8 v battery + adafruit usb boost - Raspberry Pi Stack Exchange

PowerBoost 500 Basic - 5V USB Boost @ 500mA from 1.8V+

Adafruit PowerBoost 500 Shield - Rechargeable 5V Power Shield

Adafruit PowerBoost 1000 Charger - Rechargeable 5V Lipo USB Boost @ 1A - 1000C : Electronics

Spot 2078 PowerBoost 500 Shield - Rechargeable 5V Power Shield Board Expansion Board - AliExpress