• Extended battery with back cover for HTC EVO 3D
• Capacity: Li-ion 3.7V 3500mAh
• Quality: ISO 9001/CE/Rohs A grade high quality cell with Aluminum shell and dual prevention IC to protect the battery from overcharge, overdischarge, overcurrent, short circuit and overheated.
• Warranty: 1 year
• Environment friendly, no memory effect, safe and stable,  fully compatible with the original equipments.

Battery Do's:

• Fully charge/discharge battery up to 3-4 cycles before achieving full capacity of a new battery.
• Fully discharge and then fully charge the battery every two to three weeks for battery conditions.
• Run the device under the battery's power until it shuts down or until you get a low battery warning. Then recharge the battery as instructed in the user's manual.
• Remove from the device and stored in a cool, dry, clean place if the battery will not be in use for a month or longer.
• Recharge the battery after a storage period.
• Ensure maximum performance of the battery by optimizing the device's power management features. Refer to the manual for further instructions.

Battery Don'ts:

• Do not short-circuit. A short-circuit may cause severe damage to the battery.
• Do not drop, hit or otherwise abuse the battery as this may result in the exposure of the cell contents, which are corrosive.
• Do not expose the battery to moisture or rain.
• Keep battery away from fire or other sources of extreme heat. Do not incinerate. Exposure of battery to extreme heat may result in an explosion.