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Battery - power source - energ...

200×200 256 60

Charging Station - energy repl...

200×200 3122 1011

Battery - device - supply - Tr...

200×200 3591 951

Power Cord - cable - No Backgr...

200×200 526 117

Battery - storage device - PNG

128×128 226 57

Computer Case - storage - No B...

256×256 1413 286

Notebook and pencil、Book with...

401×300 4355 1434

CHINA SOUTHERN POWER GRID - pu...

480×240 4998 1163

Battery - metal casing - Trans...

128×128 3844 993

Battery - chemical energy conv...

120×120 714 162

Battery - rechargeable - power...

200×200 1993 632

Battery - rechargeable - store...

172×172 4880 1606

Battery - power supply - energ...

131×131 2372 786

Power Outlet - power supply -...

512×512 3520 843

Power Socket - appliance - PNG

512×512 2937 896

Power Outlet - appliance - Fre...

842×918 1911 461

Power Socket - power supply -...

512×512 2991 918

Battery - power source - charg...

256×256 3933 1280

Battery - power source - power...

600×600 2840 855

Power Outlet - plug socket - N...

256×256 1807 375