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Block Battery SLi-300 Lithium-ion 288Wh 14V Single Voltage Block

Block Battery
Abel Code: BKB-SLi-300
Mfr. Code: SLi-300
Estimated to Ship Contact Sales For ETA
This 288Wh, 14V Lithium-ion block battery can run most LED panels and cameras for over two hours, continuously, and weighs just 9 lb (4kg).
Key Highlights
  • 14V Block Battery
  • 288Wh capacity
  • Lithium-ion chemistry
Note: Available via ground or expedited shipping on domestic orders. Please consider picking up this item in-store, as well. Only ships within the United States due to airline restrictions.


The Block Battery SLi-300 Lithium-ion 288Wh 14V Single Voltage Block is a lightweight Li-ion block battery designed for 14V camera and LED light panel applications. When an onboard battery cannot provide sufficient voltage or runtime required for your camera or light, the SLi-300 is an ideal solution.

Weighing only 9 lb (4kg), the SLi-300 can be hung from a light stand or worn over the shoulder. Combined with Block Battery's optional ABA and V-Lock battery eliminator plates (sold separately), the SLi-300 can take all the weight off the camera or fixture.

The SLi-300 can run most LED panels and cameras for over two hours, continuously. Using the same advanced electronic technology found in other SLi models, the SLi-300 is modular and can be transported easily.

NOTE: While Block Battery has designed the SLi-300 to make it as easy as possible to ship and service, it is still restricted to one of three types of transportation:

  1. A completely assembled SLi-300 features 280Wh capacity. As such, if you wish to ship a completely assembled block, it must be shipped via an authorized Class 9 Dangerous goods shipper (via ground shipping ONLY).
  2. The Li-ion cells in the SLi series are easily removed by design. By detaching the rubber boot and removing the four bottom screws, the bottom of the block slides free. The internal cell cartridges can simply be unplugged for shipping. If you would like to ship the system via GROUND without shipping as Class 9 Dangerous Goods, simply ship all 10-55Wh cartridges disconnected and individually wrapped in one box (consult the shipper for proper labeling) and the housing in a separate box.
  3. Air Shipments: it is possible to ship (2) cartridges per box and (3) separate boxes via air shipments. Each cartridge is only 55Wh @ 3.2V, and will need to be discharged to 30% prior to packing, but it is possible to transport these cartridges via AIR in a time-critical situation.

What's in the Box

  • AC Power Cord
  • C-44-XLR-3 Cable
  • 100W / 18.5V Charger
  • SLi-300 Block Battery


Key Highlights

  • 14V Block Battery
  • 288Wh capacity
  • Lithium-ion chemistry
  • Charger & Cables Included
  • XLR 4-pin connection


Battery Capacity:
Output Voltage:
14V DC
Battery Chemistry:
Li-Ion / Lithium-ion
Battery Options:
Battery Block
Battery Features:
Power Gauge LCD
Cooling Fan


Output Connector/Port:
1 x 4-pin XLR - 12V~17.25V, fused at 15A
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