The 18.650 battery is a workhorse of a new generation of power supplies. They are rechargeable and as green as anything. They can easily be combined using solder or with the battery cases in our shop to produce power packs of any voltage and amperage. The "Achilles Heel" of lithium batteries is that they get damaged if over discharged or over charged. These batteries have a solid state chip that turns them off when either condition occurs. They provide 3.7 to 4.2VDC and 4,800 mAh of current. This is a great product at a great price. Compare at Radio Shack for $9.95!
Shipping needs to be done properly. Lithium-Ion products can't be shipped on airplanes containing people. However I do not try to make money on S&H and will charge as little as possible.
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UPS: Standard Ground Rate
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