Buyer guide
BESS acquisition due diligence checklist for buyers who want the battery story tested before close
This is the practical checklist behind a stronger battery acquisition review. It exists to keep buyers focused on condition, risk, and usable reality instead of getting lost in tidy data-room cosmetics.
The checklist
1Request raw or near-raw BMS exports, not only summarized dashboards
2Test usable capacity versus BMS-reported State-of-Health
3Review degradation mode evidence, not just capacity headline numbers
4Check thermal asymmetry, imbalance, and transition behavior
5Review telemetry quality, missing windows, and timestamp integrity
6Confirm warranty posture and unresolved claims history
7Test whether the operating reality supports the revenue case
8Decide what needs SPA protection, pricing adjustment, or post-close monitoring
Operating posture
Scope first
Defined review scope
Boundary, telemetry window, and mandate question are pinned down before conclusions move.
Encrypted handling
Protected review workflow
Review traffic and operating data are handled with encrypted transfer and controlled access.
Customer boundary
Customer-controlled deployment
Managed, private, and isolated deployment paths are available when the environment requires them.
Direct accountability
Principal sign-off
Technical accountability stays close to the method rather than disappearing into a generic workflow.