Battery for Samsung Galaxy S21, 5000 mAh EB-BG991ABY S21 Model: SM-991U1 with Repair Tool Kit

【Perfect Compatibility】Our battery is only compatible with Samsung Galaxy S21, Model:Galaxy S21 [Note:Not for Samsung S21+ Plus and S21 Ultra or other Galaxy models.] Improved quality: Experience the high-quality performance of a mobile phone with 5000 mAh 3.85 V Li-ion battery replacement, specially designed for the Galaxy S21. Your phone's battery life is as good as new. Safe and durable: Our battery is the same size as the original and can be perfectly embedded in the motherboard frame. The built-in premium lithium-ion battery cell can effectively prevent overcharging, overheating and overcharging. Instructions for use: For optimal performance, use your original charger and cable to charge the replacement battery. Use the entire power of the battery for the first three times before charging, and then take a full charge. This ensures that the battery achieves optimal performance. Full performance and longevity can be achieved after 3 to 5 complete charge and discharge cycles. Worry-free guarantee: If you receive defective batteries or quality problems, please do not hesitate to contact us. We will contact you within 24 hours, refund within 30 days, customer satisfaction is our first priority.