Westcott FJ Mini AC/DC Rechargeable USB-C Battery for FJ100 Strobe and Speedlight with USB-C Cable
- Compatible with the FJ100 Strobe and FJ100 Speedlight
- Delivers 700+ full-power flashes with the FJ100 Strobe
- Provides 575+ full-power flashes with the FJ100 Speedlight
- AC/DC flexibility with built-in trickle-charge capability
- Recharge in approximately 2.3 hours via USB-C
- High-capacity 23.68Wh, 3200mAh, 7.4V lithium-ion battery
- Over 300 charge cycles for lasting reliability
- Compact, lightweight design weighs only 0.26 lb (0.12 kg)
- Includes USB-C charging cable
The Westcott FJ Mini AC/DC Battery is the interchangeable power source for the FJ100 Strobe and FJ100 Speedlight. Its shared design lets photographers use the same battery across both compact FJ100 flashes, simplifying spare battery management for location and studio lighting kits.
Extended Flash Capacity
The 23.68Wh, 3200mAh lithium-ion battery delivers 700+ full power flashes with the FJ100 Strobe and 575+ full power flashes with the FJ100 Speedlight. This capacity gives portrait, event, and location photographers substantial shooting time before a battery swap or recharge is needed.
USB-C Charging and AC/DC Flexibility
The battery recharges in approximately 2.3 hours through USB-C. Westcott also builds in AC/DC trickle charge capability so compatible FJ100 equipment can continue operating while charging when the required battery level and charging conditions are met. This battery provides more than 300 charge cycles and includes a USB-C charging cable, making the battery a practical replacement or additional power source for photographers using the FJ100 lighting platform.
Compact Design
At only 0.26 pound, the battery is compact enough to carry as a spare without adding significant weight to a lighting bag.
Battery
| Battery Type | Lithium-ion |
| AC Power Requirement | 5V / 3A |
Electrical
| Power Type | DC |
| Certifications | CE,UN 38.3, MSDS |
| Input Power | 100-240V, 50-60Hz, 0.5A |
| Power Cord | 27.5-inch (70cm) |
| Battery Type | Lithium-ion |
| Cable Connector | USB-C |
| Cooling | Passive |
| Operating Temperature | 32 - 113 degrees F (0 - 45 degrees C) |
General
| Compatibility | FJ100 Strobe, FJ100 Speedlight |
| Product Dimensions | 2.7 x 1.7 x 1.7 inches (6.9 x 4.3 x 4.3 cm) |
| Packed / Folded Size | 3.3 x 1.9 x 1.2 inches (8.4 x 4.8 x 3.0 cm) |
| Item Weight | 0.3 lbs. (0.1 kg) |
| Materials | Electronics, Plastics, Rubber |
| Care Instructions | Wipe with a dry cloth as needed. Do not submerge. |
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Expected Availability September 2026 . Orders begin shipping as inventory arrives.
Reserve Your PlaceReserve your place in line before inventory arrives.
No Payment TodayYou won't be charged until your order is ready to ship.
Stay InformedWe'll email you with updates if your expected ship date changes.
Priority FulfillmentOrders are fulfilled in the order they're received as inventory becomes available.
Shop with ConfidenceBacked by Focus Camera's customer support and standard return policy after shipment.
Expected Availability September 2026 . Orders begin shipping as inventory arrives.
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Tab: Frequently Asked Questions
How do I return an item?
How do I return an item?
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Will I receive a full refund when I return an item?
You will receive a full refund when you return an item in its original manufacturer’s packaging, undamaged and unmarked. If the item you are returning is priced at less than $35, you will be charged a 15% restocking fee. Please note you will not be refunded any shipping charges.
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How many days do I have to make a return?
You have 30 days to make a return. During the holiday season, from November 1 to December 31, we extend the return window to 60 days.
My item was damaged in transit. How do I place a return?
My item was damaged in transit. How do I place a return?
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There’s an issue with my order, what should I do?
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Can I exchange an item?
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If I ordered a kit, do I have to return all the items?
If I ordered a kit, do I have to return all the items?
If you ordered a kit, you must return all components and accessories to receive a full refund.
I ordered a product that included a free item. I’d like to return it, do I need to return the free item as well?
I ordered a product that included a free item. I’d like to return it, do I need to return the free item as well?
If you ordered a product that included a free item, you must include the free item with your return. If not, your return will not be accepted and you will not receive a full refund.
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Do you offer repairs?
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What is your return policy?
What is your return policy?
Most items can be returned within 30 days for a full refund. Click here to read our full return policy.