everActive UC-4200 Universal AC Battery Charger 12V 3A, supports AA/AAA/C/9V, 4 cells, black, built-in display

The Everactive UC-4200 Universal AC 12V 3A is a compact charger designed to support a wide range of rechargeable battery types, including Lithium Iron Phosphate (LiFePO4), Lithium Polymer (LiPo), Lithium-Ion (Li-ion) and Nickel-Metal Hydride (NiMH). Featuring a charging voltage of 12V and a maximum charging current of 3A, the unit delivers consistent power for household and light professional applications. The charger comes in a black finish and includes a 0.5 m cable for easy placement and connection.

Advantages

The charger’s universal chemistry compatibility reduces the need for multiple chargers by supporting LiFePO4, LiPo, Li-ion and NiMH cells. With a 12V/3A output it provides stable charging suitable for many mid-capacity batteries. Its compact black housing and short cable enable straightforward installation in compact workspaces and mobility setups. The design also supports a variety of common battery sizes, increasing its versatility for consumer devices and small equipment.

Suitable for (tasks / use cases)

• Charging portable device battery packs built from Li-ion, LiPo or LiFePO4 cells
• Maintaining and recharging NiMH battery packs for household electronics and toys
• Powering workshop chargers and small battery stations that accept a 12V/3A input
• Replacement or backup charger for devices that require a universal 12V charging supply

Key specifications

• Output voltage: 12 V
• Maximum output current: 3 A
• Supported chemistries: Lithium Iron Phosphate, Lithium Polymer, Lithium-Ion, Nickel-Metal Hydride
• Compatible battery sizes: 9 V, AA, AAA, C, SC
• Number of batteries supported: 21
• Product colour: Black
• Cable length: 0.5 m
• Form factor: compact AC-powered charger

How to use

Connect the Everactive UC-4200 to an appropriate AC mains outlet using the attached cable, then connect the charger output to the battery or battery pack following correct polarity. Select the suitable charging mode or settings on the connected device if applicable; if the charger operates automatically, allow the unit to manage voltage and current according to the battery chemistry. Monitor charging periodically and disconnect the charger when the battery reaches full charge or according to the battery manufacturer’s guidance.

Recommendations

Use the charger in a well-ventilated area on a non-flammable surface. Before charging, verify battery chemistry and terminal polarity. Avoid leaving batteries connected unattended for extended periods beyond the recommended charge time, and follow the battery manufacturer’s safety instructions for optimal lifespan and safe operation.