Compatible with 1/2/3/4 AA, AAA, C, D Ni-MH Ni-CD rechargeable batteries and 1/2 9V Ni-MH Ni ... circuit protection ,with non-rechargeable/bad cell detection.

Rechargeable coin cell batteries are great for all your small projects. They look exactly like regular coin-cell batteries, but in a shocking turn of events you can recharge these little guys.

More and more devices now come kitted out with rechargeable lithium-ion batteries -- you know, the ones that look like the ...