The Interlink Vivo Y21 / Y21s replacement battery is a genuine A-grade 5000mAh cell built to original Vivo specifications — restoring your Vivo Y21 or Y21s to near-new battery performance with free home delivery and Cash on Delivery anywhere in Pakistan.

The Vivo Y21 series is one of Pakistan's most popular budget smartphones — delivering a large 6.51-inch display, capable performance, and the massive 5000mAh battery that made it a favourite for Pakistani users who need all-day battery life through long commutes, university days, and load shedding. At 3–4 years old in 2026 many Y21 units across Pakistan are experiencing noticeable battery degradation — the Interlink replacement restores the full 5000mAh capacity that made this phone so popular.

Key Specifications: — Battery model: B-V7 / B-V8 — Capacity: 5000mAh genuine rated — Voltage: 3.87V nominal — Grade: A-grade cell — Compatible models: Vivo Y21 · Vivo Y21s · Vivo Y33s

Key Features: — A-grade cell — genuine-spec 5000mAh Vivo compatible battery — Correct 3.87V voltage — safe charging support — Full protection circuits — over-charge, over-discharge, short-circuit — Restores Vivo Y21 full-day and beyond battery performance — Same physical dimensions — perfect fit — Official 3-month Interlink warranty

What's in the Box: 1× Interlink Vivo Y21 / Y21s 5000mAh A-Grade Replacement Battery