Rechargeable 148 Wh lithium-ion battery and AC power adapter for Westcott FJ800 and FJ400 II flashes. Provides over 1,000 full-power flashes with the FJ400 II or over 500 with the FJ800, and takes about three hours to charge.
Rechargeable 148 Wh lithium-ion battery and AC power adapter for Westcott FJ800 and FJ400 II flashes. Provides over 1,000 full-power flashes with the FJ400 II or over 500 with the FJ800, and takes about three hours to charge.





Rechargeable 148 Wh lithium-ion battery and AC power adapter for Westcott FJ800 and FJ400 II flashes. Provides over 1,000 full-power flashes with the FJ400 II or over 500 with the FJ800, and takes about three hours to charge.
Guarantee
24 month
Delivery from Europe in
8 - 9
business days
Rechargeable 148 Wh lithium-ion battery and AC power adapter for Westcott FJ800 and FJ400 II flashes. Provides over 1,000 full-power flashes with the FJ400 II or over 500 with the FJ800 on a single charge. Charging takes approximately three hours.
Product information | |
|---|---|
| Product type | Rechargeable flash battery and AC power adapter |
| Brand | Westcott |
| Model | FJ ProMax |
| Compatible flashes | Westcott FJ800 and FJ400 II |
| The set includes: | FJ ProMax AC/DC battery, power adapter and power cord |
Technical specifications | |
| Battery type | Rechargeable lithium-ion |
| Battery capacity | 148 Wh; 5,000 mAh |
| Battery voltage | 29.6V |
| Removable battery | Yes |
| Charging input | DC 33.6V, 2A |
| Charging connector | Cylindrical joint |
| Charging cycles | More than 300 cycles; approximately 80% capacity retained after 300 cycles |
| Mains power supply | 100-240 V AC, 50/60 Hz, maximum 1.5 A |
| Power cord length | 2.9 m |
| Plug type | EU plug |
| Operating temperature | 0°C to 45°C |
| Operation when connected to the mains | Available when the battery charge level is at least 25% |
| Charging indicator | LED battery level indicators |
Safety information | |
| Safety warning | Use only with compatible Westcott FJ800 and FJ400 II flashes and the included or specified power adapter. Protect the battery from moisture, excessive heat, shock, and open flame. Do not disassemble or puncture the battery. Do not use a swollen or damaged battery. Charge and use the product according to the manufacturer's instructions. |
| Height | 200mm |
| Length | 250mm |
| Weight | 1300g |
| Width | 150mm |