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These are Arris BPB022S 8.4VDC 2400mAh Modem Battery Packs. Great for harvesting 18650 cells as they typically have very low cycles. They typically contain x2 SONY US18650GR cells.
To harvest the cells you have to crack the packs open and extract the cells, cut and clean the nickel interconnects using snips. Once the cells are out and clean you will need to test them using a charger like this.
Typical Capacity: 2400mAh
Nominal Capcity: 2300mAh
Voltage nominal: 3.6V
Charge voltage cut-off: 4.2V
Discharging cut-off: 2.5V
How to harvest modem packs:
*Note: The video below demonstrates how to harvest cells from new modem packs, but keep in mind that the packs from this lot may not be new, or may be another amperage.
Note that these are reclaimed packs, so the actual cell voltage you receive may be lower than the label shows. We make no guarantees that all cells will be usable. These items are sold for DIY and Second Life purposes. Sold as-is. No refunds. Buyer is responsible for proper cell recycling/disposal.
Listings that are “untested” as sold as-is and cannot be returned, exchanged or refunded. These items are sold for DIY and Second Life purposes. Even when sold as “new”, “NOS”, or “like-new”, they may be in less than perfect condition.
If you buy a product from us and then realize you don't have, or don't want to acquire, the tool(s) or information needed to make our product(s) work for your specific build, this does not constitute valid grounds for replacements, exchanges or refunds. You are responsible for doing your due diligence before making any purchases.