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18650's   You might have noticed that much of our stock of many 18650 cells is running low or out. We’re still analyzing cells! But a few things have conspired to keep us from updating stock. First, and this is...

In addition to retail sales, we manufacture battery energy storage systems (BESS) using the same Second Life lithium ion cells that we sell. The majority of our BESS find themselves in solar lights and other low-drain applications that can take...

Once we receive an order, we pull the appropriate number of cells and check voltage to ensure no dead cells. We also double-check for physical damage, then place them in plastic holders to keep them safely spaced apart and wrap them in layers of bubble wrap. We include a capacity sheet and data sheet for reference. When you receive the cells, they should all be around 3.0 – 3.5 volts. Make sure you charge all cells prior to use.