Product model specifications: The Li-ion battery model is HAC-003, with a voltage of 3.7V and a capacity of 4550mAh. It has good capacity to maintain battery life and is the great choice to replace old batteries Scope of application: The HAC-003 battery is suitable for Switch Console Handhold HAC-001 HAC-003 Precautions: Use or recharge only with the specihed devives.Do not short-circuit, modify, or dispose of in fire Different advantages: Compared to other products, it has good sealing performance and endurance. Smooth plug insertion and stable connection, bringing you convenience and practical experience exchange services: If the product you receive is damaged or cannot be used, we provide return and exchange services, and you encounter other problems, we will also reply to you promptly Model: HAC-003 Voltage: 3.7V Capacity: 4550mAh Component: Li-ion Size: 7.5x7.1x0.6cm Plug: 0.85cm weight: 72g