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Glazer’s will be closing at 3pm on 12/24. We reopen on Friday December 26 at 9am, 8am in Rentals.
Glazer’s will be closing at 3pm on 12/24. We reopen on Friday December 26 at 9am, 8am in Rentals.

Westcott FJ ProMax AC/DC Battery & Power Adapter for FJ800 & FJ400 II Strobes

Original price $0.00 - Original price $0.00
Original price $0.00
$279.90
$279.90 - $279.90
Current price $279.90
SKU 18612
Minimum quantity allowed is .
Maximum quantity allowed is .
The product can be bought in quantity increments of .

Lithium Battery Shipping

If your cart includes a Lithium Battery, your order will be shipped via Ground Service.

The Department of Transportation (DOT) classifies Lithium-ion batteries as hazardous materials, subject to strict transportation regulations. Lithium-ion batteries cannot be shipped overnight.

Westcott FJ ProMax AC/DC Battery & Power Adapter for FJ800 & FJ400 II Strobes

The FJ ProMax AC/DC Battery is the high-capacity power solution for demanding photo sessions, delivering 1,000+ full-power flashes per charge for the FJ400 II strobe and 500+ flashes for the FJ800. Compatible with both strobes, it’s the perfect addition to your kit.  

This 148Wh, 5000mAh, 29.6V Lithium-ion battery ensures extended shooting times with AC/DC flexibility and built-in trickle-charge functionality for uninterrupted performance. LED charge indicator lights make monitoring power levels easy, while the 3-hour recharge time supports all-day shoots. The battery weighs only 2.2 lbs (1.0 kg) and is ideal for both studio and on-location work. Includes a power adapter and a 9.5’ (2.9 m) power cable for convenience. 

Features:

  • Compatible with FJ400 II and FJ800 strobes
  • 1,000+ full-power flashes per charge for FJ400 II and 500+ flashes for FJ800 
  • AC/DC flexibility with built-in trickle-charge capability
  • LED charge indicator lights for easy monitoring
  • 3-hour recharge time supports extended sessions
  • High-capacity 148Wh, 5000mAh, 29.6V Lithium-ion battery for all-day shoots
  • Portable and compact at only 2.2 lbs (1.0 kg)
  • Over 300 charge cycles for lasting reliability    
  • Includes power adapter and 9.5' (2.9 m) power cable
  • Backed by Westcott’s trusted warranty, free educational videos, and lifetime US-based support 

Compatible With:

Strobes:

  • Westcott FJ800 Touchscreen Strobe (Flashes per charge: 500+ at Full Power)
  • Westcott FJ400 II Touchscreen Strobe (Flashes per charge: 1,000+ at Full Power)

Product SKU:

5052

In The Box:

Westcott FJ ProMax AC/DC Battery 
Power Adapter & Cord

Glazer's SKU 18612
Manufacturer Westcott
MFG SKU FJW5052
Product Specs

Battery:

Flashes per Charge• FJ400 II: 1,000+ at Full Power
• FJ800: 500+ at Full Power
Battery TypeFJ ProMax AC/DC Li-ion Battery
Battery Capacity148Wh, 5000mAh
Battery Voltage29.6V
Charge PowerDC 33.6V, 2A
Battery RemovableYes
Charge Time~3.0 Hours
Charge Cycles300+ (@80% after 300 cycles)
AC Power RequirementBattery Level ≥ 25%

Electrical:

Battery TypeAC/DC Lithium-Ion
Cable PortBarrel (Charging)
Operating Temp.32° to 113° (0° to 45°C)
Power Cord9.5' (2.9m)
Power RegionType B (US)
Power Supply100-240 VAC, 50/60 Hz 1.5A Max
Certifications• FJ ProMax Battery: CE, RoHS
• AC Adapter: CE, cETLus, RoHS

General:

CompatibilityFJ800 Strobe
FJ400 II Strobe
Product UPC810164330956
Package Qty.1
Product Dimensions4.2 × 3.9 × 3.5 in. (10.7 × 9.9 × 8.9 cm)
Packed/Folded Size13.7 × 12.5 × 7.4 in. (34.8 × 31.8 × 18.9 cm)
Item Weight2.2 lbs. (1.0 kg)
MaterialsNylon, Plastic, Aluminum, Rubber, Electrical Components
Use & Care Instructions• Wipe with a dry cloth as needed.
• Keep away from fire, water, and moisture.
• Do not submerge in water.
• Avoid drastic temperature changes before, during, and/or after use.
• Do not attempt to modify any Westcott products. Contact Westcott for assistance.