Battery capacity tester with white LCD display. It can work with lithium and lead-acid batteries

Li-Ion battery type 18650 with a nominal voltage of 3.6 V and a capacity of 2600 mAh. Sony/Murata US18650VTC5A

Rechargeable NiMH Battery Pack: 4.8 V, 900 mAh, 4x1 AAA Cells, JR Connector

Single-cell lithium battery ER14250 for devices using power sources in the form of a 1 / 2AA 3.6V battery

CR123A lithium battery with 3V voltage and 1400mAh capacity. GP CR123A

Charger for electric vehicles (e-bikes, electric scooters) with an output voltage of 42 V and a current of up to 2 A. Akyga AK-EV-12

A miniature module with a LiPo battery charger with a capacity of 500 mA. SparkFun DEV-11893

Li-Ion 14500 battery with a nominal voltage of 3.7 V and a capacity of 800 mAh. It has overcharge, over discharge, overload and short circuit protection. XTAR ACCU-14500-0.8-2A

Container for two 18650 batteries. It allows you to safely transport batteries and ensure their proper storage

The XTAR VC2 charger is a two-channel charger for lithium-ion (Li-ion) cells with a micro USB charging input. Each channel is independent. The VC2 has a large LCD screen showing charging voltage and current. The charger also shows the capacity that is delivered to the cell and displays the result on the screen

Charger for electric vehicles (e-bikes, electric scooters) with an output voltage of 42 V and a current of up to 4 A. Akyga AK-EV-13

This synchronous switching step-down (or buck) regulator takes an input voltage of up to 40V and efficiently reduces it to 5V with an available output current of around 15A. Typical efficiencies of 80% to 95% along with its high current capabilities make this regulator well suited for powering large loads. Pololu 2881

The Step-Down D24V3AHV Buck Voltage Regulator module with adjustable output voltage in the range of 4-25V with a wide input voltage range of 4.5-42V and a maximum output current of 300 mA. Pololu 2102

Universal charger designed for 1-8S Li-Ion, LiPo, LiFe, LiHV, Pb, Ni-Cd and Ni-MH batteries. It is powered by the XT60 DC connector, it is equipped with an XT60 socket and a balancer connector. ISDT Q8

A power supply based on a DC-DC converter with a current capacity of up to 4 A. The input voltage can range from 5 V to 30 V, while the output voltage is adjustable from 0.5 V to 30 V. ZK-4KX

Holder for 3 AA R3 batteries with a flap and a switch is an ideal solution for people who need a simple and reliable way to connect AAA batteries to obtain a voltage of 3 V

JST RCY Connector Pack, Female

PS_ZL_5V_2A uUSB

3-AA Battery Holder

3-AAA Battery Holder