Rechargeable Lithium Battery for V4 Doorbell SM002 6040mAh 3.65V

This rechargeable lithium battery is purpose-built for V4 doorbells and SM002 video doorbells, offering a straightforward replacement that keeps your doorbell powered reliably. With a nominal voltage of 3.65V and a capacity of 6040mAh from A-level cells, it delivers sustained performance across 500-600 charge cycles. The black, compact design (75 x 45 x 50mm) fits standard housings, making it a practical choice for uninterrupted doorbell operation.

Features and Construction

The battery is engineered for compatibility and longevity, using quality components and a simple drop-in design.

Material and Build

Constructed with lithium ion chemistry, the battery uses A-level cells that provide the stated 6040mAh capacity. The 2P combination method ensures stable current delivery, and the 143g weight makes it light enough for secure placement inside your doorbell unit.

Size and Practical Fit

Measuring 75 x 45 x 50mm, the battery is sized to fit V4 and SM002 doorbell compartments without modification. Its black colour matches standard device interiors, and the compact dimensions allow easy installation and removal when charging or replacing.

Uses and Placement

Ideal for residential or small commercial settings, this battery keeps your video doorbell operational around the clock.

Event or Professional Use

For tradespeople or property managers maintaining multiple doorbells, having a spare battery on hand reduces downtime. The 500-600 cycle rating supports frequent recharging without rapid capacity loss, making it suitable for high-use environments.

Everyday Home Use

In a typical home, this battery powers your doorbell for several months between charges, depending on usage frequency. Its consistent voltage ensures reliable video and audio transmission during visitor calls.

Benefits and Buying Value

Choosing a dedicated replacement battery saves the cost of replacing the entire doorbell unit and supports sustainable reuse.

Reuse and Low Maintenance

The rechargeable design allows hundreds of charge cycles, reducing waste compared to single-use alternatives. Routine charging with the correct 4.2V supply requires minimal effort, and the battery is simple to remove and reinstall.

Why Choose This Product

This battery provides the exact specifications needed for V4 and SM002 doorbells, eliminating compatibility guesswork. With 6040mAh capacity and A-level cells, it delivers reliable power without requiring modification or adaptors.