Nikon SB-28 - Manual (Page 12)

Four penlight batteries (1.5V or lower) of any of the following types
may be used:
• AA-type alkaline-manganese (1.5V)
• AA-type lithium (1.5V)
• AA-type NiCd (rechargeable) (1.2V)
• AA-type Ni-MH (Nickel Metal Hydride) (rechargeable) (1.2V)
NOTE : AA-type high-power manganese batteries are not recommended
for use with the SB-28.
—See pages 87-88, Notes on batteries.
1 Open the battery chamber lid.
2 Install four penlight batteries following the + and – symbols
inside the chamber. Close the battery chamber lid.
• Various optional external power source DC Units are available for use with
the SB-28. See page 85, Using an external power source.
Do not mix battery types or brands, or use old with new batteries.
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