Price/performance of batteries and hand tool cost.

To keep things in a simple perspective, in the lower cost or cheap batteries, the manufactures use less pure chemicals, thinner electrodes, lower quality control, and etc., to keep their cost down. Therefore, their batteries will not last as long.

If you stick with name brand batteries, and pay the price, you will get batteries that are of better quality.

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JANA _____

Question: What's the difference to a manufacturer between using "good quality" cells compared to using "cheap" cells, e.g. for electric drills? The manufacturer buys a great many cells at prices much less than retail, so what are the relative cell costs compared to the cost of the tool? Do "good" batteries cost twice what the cheapest ones cost, or what?Is the cost of the battery half the cost of the whole tool? 10% of it?

The real difference is in the pennies (cents?) per cell extra that the good cells cost. If you're making cheap power tools every penny counts if you want to make a profit. At the budget end it probably costs more to replace the cells with branded ones than to buy a complete new gadget.