Fault Phenomenon: Guangri GCD25 electric forklift after a full charge, operates for only 2 hours before the battery is depleted, vehicle unable to move.

Troubleshooting Process:
– Checked battery electrolyte level: some cells low on water.
– Checked individual cell voltages: certain cells have low voltage.
– Checked charger: charger stops charging prematurely.
– Checked discharge current: current normal.

Root Cause: Individual battery cells are sulfated or damaged, leading to a significant reduction in overall capacity.

Required Parts: Individual battery cell or entire battery pack.