Description

Design: A compact, “all-in-one” wall-mount design with a sliding spring-loaded contact to accommodate different battery lengths (such as 18650, 14500, etc.).
Functionality: It is designed to charge single 3.7V Lithium-Ion batteries.
Plug Type: Based on the pins, it appears to be a Type C or Type E/F plug (common in Egypt and Europe).

This specific type of charger is widely considered entry-level/budget hardware and carries significant risks that you should be aware of:

Lack of Safety Circuits: These low-cost, direct-to-wall chargers often lack advanced “smart” safety features found in reputable brands. They frequently do not have reliable cut-off mechanisms to stop charging once the battery reaches 4.2V.
Overcharging Risk: Because they are often unregulated, they can continue to push current into a battery even after it is full, which can cause the battery to overheat, swell, or potentially vent (catch fire).
Inconsistent Charging: The charging speed and final voltage can vary wildly depending on the quality of the internal components, which are usually minimal in this form factor.
Recommendation: If you value the longevity and safety of your batteries, it is highly recommended to upgrade to a reputable, microprocessor-controlled smart charger (from brands like Nitecore, XTAR, or Opus). These smart chargers monitor voltage and temperature, stop charging automatically, and protect your batteries from damage.

Single-Slot Wall Charger