Jinnet V-Mount Li-ion Battery VLB-290W 14.4V - 290W For Video Lamp Studio Live LED Lighting

V-Mount Li-ion Battery VLB-290W 14.4V - 290W For Video Lamp Studio system

Product Model: VLB-290W
Type: Li-ion 21700*16
Number of Cell 16 pieces
Cell Volume Energy Density: 729.5Wh /L
Standard Voltage: 14.4V
Capacity: 20000mAh / 290Wh
D-Tap Power Watt: 250W
D-Tap Charging Current Input 16.8V-7A
D-Tap Discharging Current Output 16.8V -14.9A to 25A
D-Tap Charging Time 8 to 10 hours
DC Input or Output: 16.8V 3A
USB out DC4.75V to 5.25V Max 3A
End-off Voltage: 10V
Operating temperature: 0℃~45℃
Discharging temperature: -10℃~50℃
Storage temperature: -20℃~50℃
Size:L146.20mm*W97.10mm*H87.27mm
Weight: 1611g

Inspection items

1. The Li-ion cells have passed testing by the battery's separator.
2. The PCB has passed testing by the Electronic Testing Machine System.
3. All products are repeatedly charged and discharged by an Aging machine.
4. Random inspections have been passed using a testing machine, with items tested including battery capacity, voltage, and data information.
5. The battery current is kept at 70%~75% before shipment.

Our Services

* Provide price details and accept online transactions.
* Offer FOB ShenZhen or Ex-Works options.
* Support OEM orders according to your requirements.
* Usually utilize neutral packaging.
* Product warranty: 1-Year Warranty.
* We offering shipment via UPS, FedEx, DHL, or by sea.

FAQ

Q: How can i get the price?
A: We usually quote within 24 hours after we get your inquiry(Except weekend and holidays). If you are very
urgent to get the price, please email us or contact us in other ways so that we can offer you a quote.

Q: Can I buy samples placing orders?
A: Yes.Please feel free to contact us.

Q: What is your lead time?
A: It depends on the order quantity and the season you place the order.Usually we can ship within 7-15 days
for small quantity,and about 30 days for large quantity.

Q: What is your payment term?
A: T/T,Western Union, Paypal.This is negotiable.

Q: What is the shipping method?
A: It could be shipped by sea,by air or by express(EMS,UPS,DHL,TNT,FEDEX and ect).Please confirm with us before placing orders.

Product Advantages

• Ultra-High Capacity 290Wh: Extended runtime for video lights, studio lamps, and filming gear.
• V Mount Compatibility: Universal fit for broadcast cameras, lights, and field equipment.
• Convenient USB Output: Charge mobile devices on the go without additional chargers.
• Safety and Reliability: Built-in overcharge, overcurrent, and overheating protection

ABOUT US

Founded in 2008, Jinnet began its journey as a passionate manufacturer dedicated to crafting reliable power solutions for the rapidly evolving electronics industry. Starting from a small production line focused on lithium-ion batteries and laptop batteries, Jinnet gradually expanded its expertise to cover a diverse range of products, including broadcast V Mount batteries, camera batteries, and professional chargers. With innovation at our core, we built long-term relationships with global partners by consistently delivering safe, high-performance power solutions tailored to the demanding needs of modern devices.

Today, Jinnet stands as a trusted brand recognized across industries, combining cutting-edge technology with 15+ years of manufacturing experience. From film sets and photography studios to industrial sites, our products power critical equipment in over 50 countries. Behind every battery and charger, Jinnet’s commitment to quality, safety, and reliability ensures we remain the preferred partner for professionals worldwide. As we continue to grow, our focus remains the same — delivering intelligent power solutions that drive innovation forward.

Need reliable high-capacity V Mount batteries for your studio and live production equipment? Contact Jinnet today for premium power solutions trusted by professionals worldwide.