Related Clues:

• Sudden flow, as of water
• Something users protect against
• Sudden voltage increase
• Troop ___
• Billow
• Increase in troop levels
• Sudden burst of voltage
• Sudden burst of electricity
• War strategy
• Power boost
• Electrical rush
• Electric-power problem
• Move forward like a wave
• Sudden increase, gush
• A great wave