Hitachi Compute Rack 220S Replacement Manual page 15

Improper battery type
CAUTION: Risk of Explosion if Battery is replaced by an Incorrect Type.
Dispose of Used Batteries According to the Instructions.
Handling of batteries
Since maintenance personnel should change batteries, do not change them
yourself. Follow the instructions described below. Inappropriate handling can
result in injury because the battery can overheat, burst, and catch fire.
Do not put the battery on charge.

Do not short out the battery.

Do not disassemble the battery.

Storing batteries
When storing batteries, apply adhesive tape on the terminals for insulation. If
the batteries are stored without insulation, the terminals can contact each
other to cause a short-circuit and overheat or burst, leading to injury or fire.
Hitachi Compute Rack 220S CRU Replacement Guide
Safety guidelines xv