Why settle for two when you candouble the power and mix AA & AAA to suit all your devices?.
eBay
1-5 PCS COB LED Headlights 350LM Waterproof 3-Level Adjustable HeadLamp With 500mAh Battery Type-C USB Rechargeable Outdoor Tool
Aliexpress UK
5V 2A, worldwide usage, easy to use indoor and traveling. 8 independent working charging slots for AA&AAA&NI-MH&NI-CD batteries. Is your child asking you for help because the toy's battery is out of power?.
eBay
SmallRig DMW-BLK22 USB-C Rechargeable Camera Battery For Panasonic 7.2V 2520mAh 18.15Wh Power Bank For LUMIX GH7 GH6 G9II S5 IIX
Aliexpress UK
•2500mAh high capacity C size batteries.
eBay
Sofirn ST10 EDC Flashlight 1000LM USB-C Rechargeable 14500 Battery Waterproof Red Light Magnetic Tail Clip for Camping Hiking
Aliexpress UK
Product Decription: High Recharge Rate & Economic Up to 1200 Cycles, Shentec C Cell rechargeable batteries can be recharged up to 1200 times by using any good-quality Smart NiMH battery charger,no need to buy alkaline batteries repetitively, economic and save money for you. Specifications: Brand: Shentec Quantity: 4Pcs Capacity: 5000mAh Voltage: 1.2V Battery Type: C Cell Battery/Ni-MH Battery Reusability: Rechargeable Package Weight: 311g Compatible Devices: Great for high power demand devices such as LED candle, flashlight, ortable CD and MP3 players, digital camera, children' toys and so on. Package Contents: 4Pcs 1.2V C Size 5000mAh Ni-MH Rechargeable Batteries & 2 Pcs PP Boxes.
eBay
Trustfire MT16 LED Headlamps 1000LM Type-C Rechargeable 18350 Battery EDC Angle Head Flashlights MVP Optics with Magnet Tail
Aliexpress UK
Take up to 4x more pictures (vs. Duracell Plus Power Batteries). Size: AA/ AAA/ 9v/ C/ D (depending on which you choose).
eBay
Super Bright Portable Zoom LED Flashlight Built-in Battery Type-C Rechargeable Emergency Torch Outdoor Camping Hiking Lantern
Aliexpress UK
Also Known As HR14, LR14, MN1400, BABY, R14, 4014, AM-2, AM2, E93, KC, CNIMH, RB100888. In most devices this difference is not significant, especially if only 2 batteries are used, or for AA/AAA batteries.
eBay
Vintage Lantern Portable Camping Light with Flame Effect USB-C Rechargeable 1200mAh Battery For Bar Restaurant Decoration
Aliexpress UK
Nominal capacity Ah: 2600mwh. Reuse the batteries repeatedly. Be eco-friendlier and more cost-effective. Type C USB CHARGING: Directly plug a Type C USB into the input for quick and easy charging.
eBay
BORUiT B39 LED Headlamp 3000LM Super Bright Headlight TYPE-C Rechargeable 21700 Battery Head Torch Fishing Camping Lantern
Aliexpress UK
USB-C is a widely used and versatile standard for charging and data transfer, known for its reversible design and faster charging capabilities. USB-C charging port ensures faster charging compared to traditional micro-USB ports.
eBay
Vintage Lantern Portable Camping Light with Flame Effect USB-C Rechargeable 1200mAh Battery For Bar Restaurant Decoration
Aliexpress UK