Features:

• Provides good talk and standby time performance!
• Lithium-ion batteries also have a lower self discharge rate.
• This gives you a longer battery life in a lighter package.
• Stay in touch longer by getting battery power with a Lithium Ion Battery.
• This battery is factory original from HTC, so it makes it the perfect replacement. 
• Keep extras on hand at the office and one in a charger so you will always be powered up and ready.

Specifications:

• Type: Lithium Battery.
• Capacity: 1340 mAh, 3.7 V.
• Manufactured by: HTC.
• Manufacturer Part No: 35H00119-00M.

Note:

• New Lithium-ion battery's full performance is only achieved after 2-3 complete charge and discharge cycles. 
• Charge the initial 24-hour battery charge with the HTC smartphone turned off for best results.