There is battery limit slot, can be fixed the battery in a good place. Large strength and strong toughness. ●4 x Battery Case. Small size, easy to carry.
eBay
M2 SSD Case Dual Protocols M.2 NVME NGFF SATA Enclosure USB 3.2 Type C SSD Adapter 10Gbps To NVMe
Aliexpress UK
AAA→AA/C: 1 AAA battery is converted to AA or C size (compatible with low power consumption devices). Modular structure: The adapter is embedded with a removable sleeve, and D/C/AA size switching is achieved by replacing the sleeve.
eBay
20Gbps M.2 NVMe SSD Enclosure NVMe NGFF PCIe M.2 SSD Case Portable USB C 3.2Gen2 External Adapter
Aliexpress UK
brand new and high quality Converted AA size battery to C size battery complicated, just the AA battery in the converter and it's the same as a C battery Perfect for electronics and emergency situations A gadget to keep close at hand, at home, at at the campsite, etc Battery not include Compatible With: all types of AA batteries Package Included: AA to C size battery adapter*2
eBay
Zexmte Ethernet Adapter for Chromecast 4K Google TV USBC Type-C to 1000Mbps Network Card for
Aliexpress UK
Quantity: 6pcs(Batteries not include). Can convert any size AA battery to a size C battery. Easy to use - just slide in the AA battery into the converter. Product: Battery Adapter Converter Case. Made from high quality, durable plastic, help AA batteries provide long power life.
eBay
Blueendless 2.5/3. 5 HDD/SSD Enclosure with USB3.0 HUB support 18TB TYPE C TO SATA Adapter tool free
Aliexpress UK
Convert any size AA battery to a size C battery. 10PCS AA to C Size Battery Adapter Case. 10 x Battery Adapter Case.
eBay
10Gbps M.2 Hard Disk Enclosure Dual Protocol NVME/NGFF SATA SSD External Adapter Type-C 3.1
Aliexpress UK
brand new and high quality Converted AA size to C size complicated, just the AA in the converter and it's the same as a C Perfect for electronics and emergency situations A gadget to keep close at hand, at home, at the office, at the campsite, not include Compatible With: all types of AA batteries Package Included: AA to C size adapter*2
eBay
Transparent HDD Case HDD Enclosure 2.5 Inch SSD SATA To USB 3.0 Type-C 3.1 Adapter Portable External
Aliexpress UK
2x AA to C Size Converter Adaptor Adapter for Case and high Converted AA size to C size complicated, just the AA in the converter and it's the same as a C for electronics and emergency situations A gadget to keep close at hand, at home, at the office, at the campsite, not include Compatible With: all types of AA batteries Package Included: AA to C size adapter*2
eBay
2.5" SATA USB3.0 HDD Enclosure Mobile Hard Drive Cases SSD SATA To USB 3.0 Type-C 3.1 Adapter for
Aliexpress UK
Quantity: 5pcs(Batteries not include). Product: Battery Converter Holder. Use For: AA to C Size Cell. Input Battery Type: AA. Whether large capacity or small capacity of the battery can easily put into.
eBay
M2 NVMe SSD Enclosure 10Gbps PCIe SSD Case Portable Box USB C USB 3.1 Tool Free External Adapter
Aliexpress UK