Fullfillment and Returns

Fulfillment policy: You pay for your stuff and we send you the stuff. How hard can it be?

Return Address:

Overkill Solar LLC
3673 Exchange Ave
Naples, FL 34104


  • Out of stock items will be noted as “Backordered”.
  • If you place an order for a backordered item you will be charged for it up front.

Return policy for battery cells:

  • Save the original packaging!
  • Cells are warranted for defects in manufacturing and materials for 1 year from the delivery date.
  • No warranty is given for damage due to misuse or incorrect installation.
  • Returns for any other reason will be accepted for 30 days from the delivery date, with a 10% restocking fee.
  • Cells must be packaged securely in the original packaging only.
  • Shipping battery cells in inadequate packaging is extremely dangerous.
  • Contact us for a return authorization before shipping cells.

Return policy for BMSs:

  • BMSs may be returned for any reason.
  • Ship the BMS back with the order number noted and whether you need a refund or replacement.
  • Contact us for tech support or other issues.

Return policy for all other items: 1 year warranty for defects. Contact us for return authorization.