BL-4C Battery Guide for Nokia 7620 (890mAh, 3.7V)

The Nokia 7620 is a rare, fashion-oriented phone released around 2004 for the Asian market, and it utilizes the BL-4C battery model Alibaba. Current market trends show a significant resurgence in demand for these batteries, driven by the "Digital Detox" movement where users adopt "dumbphones" to reduce screen time, as well as the de facto standardization of the BL-4C/BL-5C form factor in modern gadgets like retro gaming consoles and portable radios Alibaba.

Product Insights

Battery Model: The Nokia 7620 requires the BL-4C (approx. 4mm thick), which is slimmer than the more common BL-5C (approx. 6mm thick). A BL-5C typically will not fit in the 7620 as the battery cover will not close Alibaba.
Specifications: Standard capacity is 890mAh with a voltage of 3.7V Ebay.
Market Dynamics: Wholesale prices for replacement BL-4C batteries currently range from $0.27 to $1.80 per unit, depending on order volume and capacity Alibaba Alibaba.

Market Trends

Growing Demand: The vintage mobile battery market is buoyed by a $10.6 billion digital detox movement, with search interest for Nokia batteries peaking in mid-2026 Alibaba.
Cross-Device Compatibility: High production volumes are maintained because these batteries now power a wide range of non-phone devices, such as emergency LED lanterns and wireless keyboards Alibaba.

Detailed product listings and wholesale supplier data are available in the attached files.