KieTeiiK Battery Eliminator, AA AAA C D Battery Adjustable 3V 4.5V 6V 9V 12V Power Adapter Replace 2-8pcs 1.5V Battery for LED Toys Remote: Amazon.co.uk: Electronics & Photo
MyVolts 2 Battery ReVolt Kit « Power Supply
Aaa Battery Eliminator Eu Power Supply Adjustable Voltage 3v 4.5v 6v 9v 12v | Fruugo BH
AC-DC 3V-12V Power Supply Adapter with USB Replace 2-8pcs AAA Batteries - AliExpress
USB Power Supply Adapter for AA Battery Replace 2 AA 3V Battery for Led Lights | eBay
3V Power Supply - DC (2 pcs AAA Batteries Included)
Battery Pack - 2 x AAA batteries (Total 3v)
1 To 3 AC-DC 3V-12V Adjustable Power Supply Adapter Kit AA+2AAA Battery Replacement For 2-8pcs AA AAA Batteries Aa Battery With Leads: Amazon.co.uk: Electronics & Photo
AC-DC 3V-12V Power Supply Adapter with USB Replace 2-8pcs AAA Batteries - AliExpress
The cheap shaver i brought didn't include a charging plug and they don't sell replacements, so I replaced the internals with 2 AAA batteries and a DC to DC 3v to 2.4)
AAA Battery (2 Pack) - Active Online
2 x AAA Battery Box
2 x AAA (3 volt) Battery box with switch - Small Scale Lights