
New Kokam SLPB125255255G1H 3.7v 85ah Power Cells
Unfortunately we only have 7 of these available at the moment.
These cells were left over from a large battery project. They are still in the original tray and they already had a separator installed on them so they are ready to be built into a pack. They were in line to be built into a pack but these were the left over cells. These will test like new since they have never been cycled. If you buy all 7 you can make a nice 24v 85ah 2.19kWh battery. The tabs stick out at least 1.25" so you have more than enough room to make connections. A lot of people use rivets or use a hole punch then connect with nuts and bolts. There is enough tab length to work with.
Always use a BMS when using power cells like this and also make sure your connections are secure and isolated so they don't short. These are true power cells so you don't want to short them out.
These cells also have a super high cycle life. These are not your standard type of lithium ion or polymer cell. This is one of the best out there.
The cells are rated for up to 3c (255a) charge and up to 8c (680a) discharge continuous. Of course you would have to use cooling and compression to run them high like that. For a solar storage project without any cooling we always recommend to stay at 0.5c for charge and 1c for discharge. So 42.5a charge and 85a discharge without cooling.
Energy density is excellent for a power cell at 181wh/kg.
Dimensions are roughly 10.5" x 10.5" x 0.5"
Weight 3.8lbs