Whether you're camping, driving, using a handheld radio, or preparing for emergencies, there is a bewildering array of battery types to choose from. Whatever your preference, I'm sure you'll get a charge out of this puzzle!

Across

1. Animals used to test the first batteries
5. For Sale (abbr.)
6. Sign that designates positive
9. Most conductive metal (Chemical symbol)
10. Clean with a cloth
12. Millionth of a kilogram (abbr.)
13. Low Power (abbr.)
14. 9V battery connector type
16. Radiated interference (abbr.)
17. Charging causes batteries to do this
19. You .. man!
20. Imperial measure of weight (abbr.)
21. Add 'h' to change from what this body part is to what it does
23. Slowly charge or maintain a charge
25. Add energy to a battery
27. Great Plains state, home of the Cornhuskers (abbr.)
28. Here (CW abbr.)
29. Popular VHF/UHF mode (abbr.)
30. Volume equal to one ml (abbr.)
31. Fluid (abbr.)
32. Synonym for voltage
34. Constructed the first battery
36. Largest state in the Great Basin (abbr.)
37. Route (abbr.)
39. Off Center (abbr.)
40. Slow self-discharge current
44. Keeps going and going
45. Adjust to specifications (abbr.)
47. Empty (abbr.)
48. For example (abbr.)
49. Answer negatively
51. Metal that makes a battery with air
53. What the 'H' in LiMH stands for
55. Decay
56. Prefix of South American country that was the capital of the Inca empire
57. Wizard's home
58. Partner to nickel in rechargeable batteries
60. Whoever has the most of these, wins
63. Completely discharged
64. Added to 'p', this means energetic
65. A mockup or prototype

Down

1. Quick or high-current charge
2. Operate or work
3. Cheat
4. Flashlight with a nearly discharged battery
5. Metal that rusts (Chemical symbol)
6. IC connection of a square field of pins (abbr.)
7. Safety lab (abbr.)
8. Extra or replacement battery
10. Diminished capacity
11. Early name for batteries in series
12. Gear teeth fitting together
15. Battery capacity (abbr.)
18. Connection to a battery
19. Largest common cylindrical battery size (two words)
22. Precious metal used to plate whole connectors (Chemical symbol)
23. Handle gently (abbr.)
24. Data or knowledge
25. The best of the best
26. Rearwards on a boat or ship
28. High Voltage (English abbr.)
30. In the middle of a dry cell (two words)
32. Several batteries packaged as a unit
33. Average (abbr.)
34. Relieve overpressure
35. And fro
38. Thanks (CW abbr.)
40. Paired with ions in rechargeable batteries
41. Makes a battery with lead
42. Thousands of amps (abbr.)
43. The end of a surface
46. Opposite of cathode
48. Circular backwater
50. Battery leak
52. Take batteries along when you do this
54. Measurements per unit of time
58. Chemical symbol for 58 Across
59. Modus operandi (abbr.)
61. Overload (abbr.)
62. What the librarian says