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Review Summary
Li-Ion
4500 mAh
Up to 350 full power flashes in Manual and TTL modes
Up to 400 full power flashes in High Speed Sync mode
The INTS1B battery is a spare battery for the S1 monolight. The interchangeable 4500mAh Li-Ion battery provides up to 350 full power flashes in Manual and TTL modes and over 400 full power flashes in High Speed Sync mode.