The following table summarizes the Company’s property, plant and equipment balance:
Useful LivesAs of December 31,
20242023
Computers & servers1 yearto3 years$171,977 $154,337 
Vehicles5 yearsto7 years65,414 65,577 
Office furniture and equipment3 yearsto5 years366,323 366,323 
DC Chargers (1)5 yearsto7 years621,707 598,820 
Total1,225,421 1,185,057 
Less: Accumulated Depreciation(611,463)(418,793)
Property, plant and equipment, net$613,958 $766,264 
As of December 31,
20242023
Depreciation expense$198,534 $249,123 
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(1) Represents DC Chargers temporary loaned out to customers while their DC Chargers are being repaired.

About PP&E Disclosures

The PP&E disclosure details a company's physical asset base — land, buildings, machinery, and equipment — along with the depreciation methods and useful life assumptions that determine how these costs flow through the income statement. Capitalization policy thresholds reveal management's judgment on the boundary between expense and asset, directly affecting both reported earnings and asset values.

Key signals: changes in estimated useful lives or depreciation methods can materially shift reported earnings without any operational change. Compare capital expenditures against depreciation expense — when capex consistently trails depreciation, the asset base may be aging and underinvested. Watch for large asset impairments or write-downs that signal overvalued carrying amounts. Asset retirement obligations reveal future environmental or decommissioning costs that are often underappreciated. Compare PP&E intensity (PP&E-to-revenue) against industry peers to assess capital efficiency and competitive positioning.