B4 Lithium-Ion battery for B4 1000 ws flash / strobe battery pack.
Provides up to 200 full power flashes in a single charge and charges to a full charge in 45 minutes with the Quick charger.

Specs

• Less than 2 kgs
• 200 flashes @ 1000Ws
• Fast recharge (less than 45 minutes with quick charger)
• Long battery lifetime (+1500 recharge cycles)
• Wide operating temperature range (-20° to +50° C)

Profoto Specified operating Conditions

• • Intended for indoor photographic use.
  • Do not place or use equipment where it can be exposed to moisture, extreme
    electromagnetic fields, or in areas with flammable gases or dust.
  • Do not expose rapid temperature changes.
  • B4 Battery operating temperature of 0°C to 30°C (+32°F to +104°F).