【About Packages】 10 PCS x pmnn4491 batteries and 10 PCS belt clips are included in the package. 【Compatible Model 】 for PMNN4491 PMNN4491A PMNN4491B PMNN4448AR PMNN4409AR NNTN8560A PMNN4493A PMNN4406BR Battery With Belt Clip (Please contact us if you are not sure about your radio model number, we will help you out) 【Durable & Safety & Reliable】 Upgraded pmnn4491 Li-ion rechargeable battery the same size and thickness as your original pmnn4491 battery. Our pmnn4491 battery is manufactured with premium grade A++ battery cells, high quality Aluminum Casing and high quality Smart IC chip.It is tested under strict QC standards step by step to ensure it lasts over 800+ charge cycles. built-in microchip to prevent over-charging, over-discharging, short-circuiting, and over-heating. 【About Customer Service】 Please feel free to contact us at any time if you have any questions or any issues with our products or delivery. Our professional technical team and customer service promise you a satisfactory resolution within 24 hours. We take care of all quality-related issues with a REPLACEMENT or REFUND. 【Important Attention】 Our pmnn4491 battery may be sent out with little power or no power. Please make sure it is fully charged first if the radio cannot turn on. It is recommended to fully drain and fully charge the pmnn4491 battery, especially during the first 3 charging and discharging cycles. Doing so may greatly improve the overall life of the pmnn4491 battery.