VIVO B-B2 Battery (also referred to as BB2) is a replacement/OEM Li-ion (or Li-Polymer) battery designed for several Vivo smartphones.
The B-B2 is a high-capacity spare lithium-ion polymer battery intended as a direct replacement for the original internal battery in the above models. It restores or maintains battery life for users whose original battery has degraded (e.g., faster drain, unexpected shutdowns). It is typically sold as a brand-new unit (often in loose packaging for “original” claims) and requires installation by opening the phone (connector/ribbon-style internal battery). New batteries generally benefit from 2–5 full charge/discharge cycles to reach optimal performance.
These details are compiled from multiple retailer and product listings for original and compatible B-B2 batteries. For the most accurate match, cross-check the physical dimensions and connector of your current battery.
Compatible Models
| Specification | Details |
|---|---|
| Model | B-B2 (BB2) |
| Battery Type | Li-Ion Polymer / Li-ion |
| Capacity | Typically 3000 mAh (some original listings: 2930 mAh / 11.28 Wh; energy rating often ~11.55 Wh) |
| Nominal Voltage | 3.85 V |
| Charging / Max Voltage | Up to 4.4 V |
| Weight (approx.) | 50–55.5 g |
| Charging Time | Roughly 2–3 hours (with compatible charger) |
| Chemistry Notes | Rechargeable; modern cells free of memory effect |
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