This is a two "C" cell battery holder with a 9 volt snap connection.
Order# | Hold # of Batteries | Style | Type of Connection |
150-210 | 1 | Horizontal | Terminal |
150-220 | 2 | Horizontal | 9 Volt Snap |
150-240 | 4 | Horizontal | Terminal |
150-241 | 4 | Vertical | 9 Volt Snap |
150-260 | 6 | Vertical | 9 Volt Snap |