Specification:   Brand name: NOHON Compatible with: Meizu MX4 Capacity: 3100mAh Standard voltage: 3.8V Battery type: Li-ion battery Size:L200mm*D100mm*W12mm   Description:   100% compatible with Meizu MX4 battery core provides higher conversion rate. Safer and more durable. Each battery is tested before dispatching、 ensuring the quality. Over charging protection、 overcurrent protection、 short circuit protection and over discharge protection help protecting your safty. No memory effect、 reminds the same capacity after charging and discharging. Waterproof bag gives you more convenience while going out.   Package included:   1 X  Nohon Original Battery For Meizu MX4 1 X Repair Machine Tools 1 X Manual 1 X Certification