The Westcott FJ ProMax AC/DC Battery delivers serious power for demanding shoots, giving you longer runtimes, faster workflows, and fewer interruptions. Designed for the FJ Wireless system, it combines high-capacity performance with AC/DC flexibility, making it ideal for both studio and on-location work.
This high-capacity battery is designed to keep up with demanding workflows, delivering consistent performance across extended sessions. Whether you’re shooting portraits, events, or commercial work, it provides the endurance you need.
The built-in trickle-charge feature allows you to run your strobe while charging, helping to maintain power during longer shoots when connected to mains. It’s a simple but effective way to reduce interruptions.
With a full recharge time of around 3 hours and clear LED indicators, you can quickly get back up and running and keep track of your remaining power at a glance.
If you’re pushing your FJ lights hard, this is the battery to have. More flashes, less swapping, and a much smoother shooting day overall.
MPN: 5052-A
| Compatibility: | FJ800 Strobe, FJ400 II Strobe, FJ250 Strobe |
| Flashes per Charge: | FJ250: 1400+ at Full Power, FJ400 II: 1000+ at Full Power, FJ800: 500+ at Full Power |
| Battery Type: | FJ Pro AC/DC Li-ion Battery |
| Battery Capacity: | 148Wh, 5000mAh |
| Battery Voltage: | 29.6V |
| Charge Power: | DC 33.6V, 2A |
| Battery Removable: | Yes |
| Charge Time: | 3 Hours |
| Charge Cycles: | 300+ (@80% after 300 cycles) |
| AC Power Requirement: | Battery Level ≥ 25% |
| Certifications: | FJ Pro Battery: CE, RoHS, AC Adapter: CE, cETLus, RoHS |
| Power Cord: | 2.9m |
| Plug Type: | Type G (UK) & Type C (EU) |
| Power Supply: | 100-240 VAC, 50/60 Hz 1.5A Max |
| Battery Type: | AC/DC Lithium-Ion |
| Cable Port: | Barrel (Charging) |
| Cooling: | Passive |
| Operating Temp.: | 0° to 45°C |
| Product Dimensions: | 10.7 × 9.9 × 8.9 cm |
| Packed/Folded Size: | 34.8 × 31.8 × 18.9 cm |
| Item Weight: | 1.0 kg |
| Materials: | Nylon, Plastic, Aluminium, Rubber, Electrical Components |
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