EB-BG991ABY Battery for Samsung Galaxy S21 (SM-G991) Smartphone / Phone Battery Replacement - 3900mAh  ...  more

Need a high-quality, high-capacity, reliable, long-life replacement Samsung Galaxy S21 (SM-G991) battery? This 3900mAh EB-BG991ABY replacement smartphone battery from CELLONIC® will give your phone the lasting power you need.

Mobile phone batteries wear out over time, but simply swapping your original Samsung Galaxy S21 (SM-G991) battery for a new one is a simple, efficient and cost-effective way to bring new life and lasting power to your smartphone.

This CELLONIC® Lithium Polymer phone battery replacement has been specifically designed for use as a Samsung replacement battery for Galaxy S21 (SM-G991) and others.

Long battery life: Samsung replacement battery EB-BG991ABY, 3900mAh capacity

✔ Replacement Samsung battery – a perfect replacement battery for Samsung Galaxy S21 (SM-G991) smartphones
✔ High capacity, long runtime – days-long power when you need it and fewer charges thanks to modern Lithium cells without memory effect tech – just like your original battery
✔ 100% compatible replacement for your original Samsung EB-BG991ABY battery

High-quality, tested cells for Samsung mobile phones

✔ Long-lasting, reliable performance - high-quality cells for up to 1000 charging cycles
✔ Certified safety – CE & ROHS certified, Grade A battery with short-circuit, overheating and overvoltage protection
✔ Thorough, comprehensive testing – each battery cell is tested to ensure all safety requirements are met and that it holds and maintains the correct capacity - all before installation

Samsung Galaxy S21 (SM-G991) Replacement Battery EB-BG991ABY:
Brand: CELLONIC® Replacement Phone Battery
Capacity: 3900mAh
Voltage: 3.85V
Cell Technology: Lithium Polymer
Dimensions: 69.50 x 59.90 x 5.20mm
Alternative for / Replaces: Original EB-BG991ABY battery

★ 3-Year Guarantee ★
As an international specialist retailer since 2004, we know what matters when it comes to high-quality replacement mobile phone & smartphone batteries. That's why our replacement Samsung batteries come with a 36-month guarantee!