K&F Concept Mini V-Mount Battery 50 Wh, 65 W USB-C K&F Concept

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The K&F Concept Mini V-mount battery with a capacity of 50 Wh (14.8 V, 3400 mAh) powers cameras, monitors, lights and laptops. It charges at 45 W over USB-C and delivers up to 65 W, plus USB-A, D-Tap 16.8 V, 12 V DC output (max 3 A) and BP contacts. A colour TFT display shows the status. With a capacity under 100 Wh, the battery may travel in cabin baggage.

50 Wh capacity

A fully charged battery is good for roughly 40–50 minutes of a 60 W COB light, 2 charges of an iPhone 15/16 Pro Max, 0.8 charges of an iPad Pro 12.9" and 0.6 charges of a MacBook Pro 14". The V-mount plate attaches it to cameras, cages and lights, and the 100 Wh limit lets you take it on a plane in hand luggage.

65 W USB-C in both directions

The USB-C port charges the battery and powers a laptop, tablet or phone. With an adapter of at least 45 W it is full in about 2 h. Next to it are USB-A, D-Tap 16.8 V, 12 V DC output (max 3 A) and BP contacts; the ports work in parallel, so several devices can run off the battery at once.

Protection and controls

A BMS looks after the cells, with protection against overheating, overvoltage, over-discharge, overcurrent, overcharging and short circuit. A colour TFT display shows the status. On the back there is an emergency light, handy for setting up gear in the dark. The housing is made of aluminium and fire-resistant polycarbonate.

• V-mount battery Mini
• 240 W USB-C charging cable
• user manual

• Capacity: 50 Wh (14.8 V, 3400 mAh)
• Mount: V-mount
• USB-C: input 45 W, output 65 W
• Other outputs: USB-A, D-Tap 16.8 V, 12 V DC output (max 3 A), BP contacts
• Charging time: about 2 h (adapter of 45 W or more)
• Display: colour TFT
• Protection: BMS – temperature, overvoltage, over-discharge, overcurrent, overcharge, short circuit
• Material: aluminium and fire-resistant polycarbonate
• Dimensions: 108 × 76.5 × 38.9 mm
• Weight: 350 g
• Air travel: under 100 Wh – allowed in cabin baggage