Single cell universal lithium ion battery charger

₹109

A single-cell universal lithium-ion battery charger is a device designed to charge lithium-ion (Li-ion) batteries, typically with a voltage of 3.7V, from a single cell configuration. These chargers are widely used for various devices, from small electronics like smartphones and laptops to power tools and electric vehicles. The charger must handle key aspects of lithium-ion battery charging, such as constant current (CC) and constant voltage (CV) stages, to safely charge the battery while protecting it from overcharging, overheating, and other potential risks.

Here are the key features to consider in a single-cell universal lithium-ion battery charger:

1. Input Voltage: The charger should accept common input voltages, such as 5V (via USB), 9V, or 12V, depending on the design of the charger.

2. Charging Current Control: The charger must provide a controlled charging current that matches the battery's specifications, typically around 0.5C to 1C (where C is the battery’s capacity in amp-hours).

3. Battery Voltage Compatibility: It should be able to charge single Li-ion cells, which usually have a nominal voltage of 3.7V and a maximum charging voltage of 4.2V.

4. Charging Stages:

   • Constant Current (CC) Stage: In this stage, the charger provides a steady current to the battery.
   • Constant Voltage (CV) Stage: As the battery charges, the voltage reaches 4.2V, and the charger switches to supplying a constant voltage while gradually decreasing the current.