In the modern drive to create a more sustainable world, we see manufacturers coming out with all sorts of products intended to target a particular audience. When those products fail, it is often because they don't compete well.
You might look at replacing your disposable batteries with USB rechargeable batteries from Pale Blue Earth as contributing very little to the grand scheme of things. We agree, to a point. If the only means of achieving sustainability were buying our batteries, sustainability would be a fleeting dream at best.
USB rechargeable batteries from Pale Blue Earth are made to be recharged a thousand times and more.
We take our cell phones for granted. We plug them in before bed, then wake with the expectation of having a fully charged phone ready to go. It's all made possible by lithium-ion technology.
Given the fact that alkaline batteries can leak, lithium-ion batteries are often a better choice.