All glossary
Surplus Battery

What is Surplus Battery?

Created September 11, 2026
Last updated September 15, 2026

Summary

Surplus Battery are batteries available beyond current need.

table of Contents

Surplus Battery are new or used batteries in excess of immediate demand that could be sold, reused or redeployed.

  • Why it matters: An increasingly important supply source in BESS and reuse
  • Often confused with: Overstock

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Other useful related terminology.

Battery Lot

Battery Lot is a grouped batch of batteries offered or traded together.

Battery Marketplace

Battery Marketplace is a platform where batteries are bought and sold.

Battery Sourcing

Battery Sourcing is finding and securing batteries to buy.

Overstock

Overstock is surplus new inventory that isn't moving.

Second Chance (2C)

Second Chance is surplus or unused batteries that have never been deployed.

Stranded Battery Capacity

Stranded Battery Capacity is the usable battery capacity stuck out of the market.

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