The power supply module with the LiPo battery charging circuit, designed for the Wemos D1 Mini boards

Li-Ion battery type 18650 with a nominal voltage of 3.7 V and a capacity of 3400 mAh. Panasonic NCR-18650B

Step-Up/Step-Down converter with an output voltage of 5 V, an input voltage from 3 to 15 V and a maximum current of up to 600 mA

XTAR MC2+ is a compact, dual-channel charger for lithium-ion batteries, such as 18650, that automatically adjusts the charging current to the cell condition. Thanks to the "Zero Volt Activation" function, it can reactivate deeply discharged cells, and power supply via the micro-USB port provides convenience and mobility.

DC adapter with 5,5x2,1 socket at 4.8x1.7

Step-Down DC-DC converter module based on the D36V6F12 system. Input voltage 12.2.50V, output voltage 12V (max. 600mA). Pololu 3796

Universal 2xUSB Akyga car charger powered by a 15W car lighter socket. Quick Charge technology, 12 / 24V supply voltage, maximum output 3A. Akyga AK-CH-08

Universal Akyga USB car charger powered from the cigarette lighter socket. Supply voltage 12 / 24V, output current 1A. Akyga AK-CH-02

The Akyga induction charger allows you to charge your smartphone wirelessly using induction. QI technology ensures its compatibility with the majority of popular smartphones available on the market. Equipped with two USB ports. It has Quick Charge technology. Output voltage 5 V , output current 1.5 A. Akyga AK-QI-03

Lithium-ion battery (2200 mAh)

The Step-Up NCP1402 Buck Voltage Regulator module with output  voltage 3.3V, input voltage range of 0.8-3.3V and a maximum output current of 200 mA. Pololu 2114

The holder for 8 AA R6 double-row batteries is an ideal solution for people who need a simple and reliable way to connect AA batteries to obtain 12 V voltage

Step Down converter module with an output voltage of 5 V and a maximum current of 2x2,5 A. The board is equipped with four USB connectors

Photovoltaic panel allows conversion of solar radiation into electrical energy. It has 2W power and 6V output voltage, and its construction has dimensions of 136 x 110 mm. The panel is flooded with resin, which protects it against dirt and mechanical damage. Solar Panel 2W

Power strip that allows you to connect and power 3 devices using French CEE 7/5 sockets. Lanberg PS1-03E-0150-W

GP Ultra AA alkaline battery (R6, LR06, big) 1 piece, 1.5V. Weight 17.3g

This little PCB sits on top of the Pro Trinket and allows a LiPoly/LiIon battery to plug in. When the Pro Trinket USB port is powered, the battery is recharged automatically. Adafruit 2124

Panasonic Eneloop PRO R6/AA rechargeable batteries with a minimum capacity of 2500mAh and a voltage of 1.2V. The set contains two pieces sold in blister packaging. Panasonic BK-3HCDE/2BE

The Semi Flexible Monocrystalline Solar Panel is a flexible monocrystalline solar panel with a 5V output voltage and a current capacity of 1 x 29 x 15 x 0.135 cm. DFRobot FIT0600

The ESPE 24V 2.7A switching power supply with a power of 65W provides stable power supply with a wide range of protections, ideal for applications requiring reliability and energy efficiency.