Y31 Battery

The market for vivo Y31 series batteries is undergoing a significant transition, moving from traditional 5000mAh capacities for older models to high-capacity, durable 6500mAh and 7200mAh batteries for the latest 2026 releases.

Product Trends & Specifications

The "Y31 battery" phrase now covers two distinct product generations:

• Legacy/Standard Y31 (2021/2022): Utilizes the B-O8 battery model with a 5000mAh capacity and 18W fast charging Facebook.
• Modern Y31 5G & Y31d (2026): These latest models feature a massive 6500mAh typical capacity (Y31 5G) and a specialized 7200mAh variant for the Y31d, branded as the "Battery King" VivoInstagram.
• Longevity Standard: A new "5-Year Battery Health" guarantee is becoming a standard marketing feature for the 2026 series, ensuring the battery retains significant capacity over long-term use Scribd.

Market Insights & Demand

• Durability-Centric Marketing: The Y31 series is increasingly positioned as "life-proof," combining high battery capacity with IP68/IP69 water resistance and military-grade shock resistance FacebookScribd.
• B2B Wholesale Activity: Replacement batteries for the standard B-O8 model are widely available in the wholesale market, with prices ranging from $1.99 to $3.46 depending on quantity AlibabaAlibaba.
• High-Capacity Demand: Consumer interest is shifting toward 6000mAh+ batteries to support intensive TikTok usage and vlogging, driving the adoption of 44W FlashCharge technology to manage these larger cells Scribd.

Detailed lists of wholesale replacement batteries and their technical specifications are available in the files below.