Geekworm Raspberry Pi UPS X728 V2.3 18650 UPS

【Function】X728 V2.3 provides max 5.1V 6000mA Power Backup, intelligent and safe power management, safe shutdown, auto power-on, full poweroff from software, RTC real- time clock, and a buzzer 【Support External Battery Holder】Can connect external battery holder to increase battery capacity 【How to Power】Power via X728 USB-C port: 5Vdc ±5%, ≥3A; Via X728 DC power jack : 5Vdc ±5%, ≥4A; Recommend Geekworm 20W 5V 4A USB C PSU (ASIN: B09J4V3RYK) 【Packing List】 X728 V2.3 Expansion Board x 1, Screws Pack x 1 (Not include raspberry pi motherboard or batteries) 【Matching Case (Not included)】Refer to X728-C1 Metal Case (ASIN: B09Z6CC262), or N300 Case (ASIN: B07WZXPR2W), P165-A (ASIN: B089CK12C6), P165-B (ASIN: B08N617L1J) 【Other Geekworm UPS Recommended】X703 ultra-compact ups (ASIN: B09HZXDN8S); X708 UPS (ASIN: B08DJ5YZ7M)