ACROSS
  1. Elec. bank device
  4. Japanese sash
  7. Jamaican music style
10. British bathroom
11. Pottery oven
12. Southern Arizonan Indian
14. Vase
15. "BattleBots" season 3 SHW champion
17. Money; slang
19. After-dinner course
20. Weight equal to approx. six SHWs
21. Test
22. "Robotica" HW Run ____
24. Body of water
25. Atlas page
28. "BattleBots" season 1 SHW champion
31. Harsh graze
33. Grow old
34. Short term for a fighting machine
36. Length × height
37. Aleph follower
38. Attempt
39. Memory loss
42. Rhino's combustion-killing gas
45. "BattleBots" season 2 SHW champion
47. Bustle
48. Give off
49. Beige
50. Poodle bite
51. Chicago trains
52. Female pronoun
53. Twisted Sister's Snider
DOWN
  1. College grad
  2. "BattleBots" season 4 SHW champion
  3. Words in one pitch
  4. Motor lubricant
  5. Code:BLACK and Chopper's weapons
  6. Primary fingers
  7. Violent muscle contraction
  8. Stringed toy
  9. Love; Latin
11. Appropriate call letters for Vancouver, Wash. AM station
13. Paintings, sculpture, etc.
16. Control system _____16
18. TriMangle's Team ____
22. Doctor's org.
23. Argon welder
25. Atomic Wedgie's home state
26. Gorilla
27. Green legume
29. Grossly overweight
30. Observes
32. ____ avis
35. Straw roof
37. Outdoes
38. Road sign misspelling
39. Citrus beverage
40. Silent performer
41. Armstrong or Sedaka
43. "Garfield" dog
44. "Uh-uh"
46. Mined mineral