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Without tools -After the installation of the new battery the new battery capacity is zero is a normal phenomenon,not a defective ----------------- The battery after the success of the power supply voltage test after delivery, please receive the battery after the correct installation of Google, the first use of the first charge at least three hours to ensure that battery life, original new products do not have accept return -pertect installation, long standby and life, but the packaging and manufacturers are different, please choose according to your preferences, thank you! First use of new battery The first use of the new battery, the first battery comes with the virtual battery runs out, the first 3-5 times the best lithium battery charging time of 6-8 hours (charge 12 hours of argument, referring to the previous nickel-metal hydride batteries, is not scientific... Be careful not to overcharge, so as not to damage the lithium-ion batteries, affecting the service life. Cycle charge and discharge 3-5 times after the cell is fully activated, standby into the best condition. After each full can be. Please do not charge the battery for a long time, the general charge is about 1 hour after filling, the best results.... Battery Tips : 1. Battery in the case of long-term use or improper maintenance, the metal oxide film will appear oxidation phenomenon will lead to the phone automatically shut down or automatically disconnect the ca it is recommended to wipe the contacts before use clean. 2. Fake charger improper charging, will affect the standby time and shorten the battery life. 3. Refurbished machines, second-hand machines may consume large power, standby time is short. 4. Different types of mobile phone power consumption are also different, and the phone is set to vibration mode will increase power consumption and reduce standby time. 5. Cell phone use in the place where the signal is weaker, power consumption, battery standby time is shortened Ambient temperature on the battery capacity is greater, the release of low temperature touch energy much less than normal temperature, so the winter outdoor use of mobile phones in the north, Standby time will be short, low self-discharge low temperature, high temperature self-discharge larger, high temperature will affect the standby time...