The HOCO JA4 is a two-piece set of USB-C rechargeable lithium AAA batteries designed for compatible battery-powered electronic devices. Each battery features a built-in USB-C charging interface, allowing dire charging without a separate AAA charging dock. Each cell provides a manufacturer-listed 1200 mWh energy rating with a regulated 1.5 V output. The batteries support approximately 40-minute charging and are supplied with a dual USB-C charging cable for charging the two cells together. Key Features AAA Battery Set: Two rechargeable lithium batteries. Dire USB-C Charging: Charging interface built into each battery. 1200 mWh Energy: Manufacturer-listed capacity per cell. Regulated 1.5 V Output: Designed for compatible 1.5 V AAA battery applications. 40-Minute Charging: Manufacturer-rated recharge duration with 5 V / 250 mA charging input. Dual Charging Cable: Listed 2-in-1 USB-C cable for both batteries. Technical Specifications Component Specification HOCO Model JA4 Produ Type Rechargeable Lithium AAA Batteries Battery Size AAA Quantity 2 batteries Output Voltage 1.5 V regulated Internal Cell Capacity 320 mAh at 3.7 V Battery Energy 1200 mWh per cell Charging Interface USB-C Charging Input 5 V / 250 mA Rated Charging Time Approximately 40 minutes Dimensions per Cell 10.1 × 44.5 mm Weight per Cell 8 g Color Black/Green Compatibility & Important Information The JA4 is an AAA-size rechargeable lithium battery with a regulated 1.5 V output. Check the intended device's AAA battery size and voltage requirements before use. The internal 3.7 V lithium cell rating is different from the regulated 1.5 V battery output. Charge using the battery's USB-C input and suitable charging power source. The manufacturer-rated charging time depends on the charging source and operating conditions. Package Contents 2 × HOCO JA4 AAA rechargeable lithium batteries 1 × Dual USB-C charging cable Please to review Q: Are these AA or AAA batteries? A: The JA4 is an AAA-size battery. Q: How many batteries are supplied? A: Two rechargeable AAA batteries. Q: What is the device output voltage? A: The JA4 provides a regulated 1.5 V output. Q: Can they charge directly through USB-C? A: Yes. Each battery has a built-in USB-C charging port. Q: How long does a recharge take? A: HOCO lists approximately 40 minutes under suitable charging conditions. Q: Is a charging cable supplied? A: Yes. A dual USB-C charging cable is listed with the two batteries.
