PB-H290S 290Wh Intelligent Bi-voltage Battery Pack

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PB H290S 1
PB H290S 2

 PB-H290S
290Wh Intelligent Bi-voltage Battery Pack

◆ 14.4V/28.8V Bi-voltage auto switch
◆ For ALEXA LF/65 high voltage cameras
◆ For all normal voltage cameras
◆ For high voltage cine lights
◆ Compatible with normal voltage chargers
◆ 290Wh capacity, Max 200W high load
◆ 6A fast charging support
◆ 8-LED remaining time indicators
◆ D-tap power output socket
◆ Normal V-mount connection
◆ 1.5m drop-off proof, IP54 water proof
◆ Multiple circuit protections

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PB H290S 4

14.4V/28.8V Bi-Voltage

For ALEXA LF/65 and all normal cameras

The ARRI Alexa LF / 65 require on-board battery input voltage 19.5-34V only, and the normal 14.4V (11-16.8V) batteries are no longer compatible.
The existing 26-28.8V high voltage batteries can power Alexa LF/65, but the high voltage with the same physical connectors will surely damage other normal cameras.
A better solution is to use normal 14.4V battery with a DC boost plate, but the current between battery and V-plate will get quite high with 160W load and 14.4V voltage, and will melt the battery pins.
Now you will have a great solution for Alexa LF/65: the SWIT Intelligent Bi-voltage Battery, can output both 11-16.8V normal voltage and 22-33.6V high voltage, with auto recognition and switching by the dedicated V-mount plate, compatible with Alexa LF/65 and all other normal cameras and devices, with no risk of misusing.

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14.4V/28.8V Auto Switching



By Alexa dedicated plate KA-A20S


The Bi-voltage battery PB-H290S output normal 11-16.8V voltage as default, you can attach to any normal V-mount
cameras or other devices, and any normal voltage chargers.

Use the ARRI ALEXA dedicated V-mount plate KA-A20S, PB-H290S battery can recognize and auto switch on 22-33.6V, to power Alexa LF/65/SXT/AMIRA.

KA-A20S Plate:
CNC metal housing, High load power pins,
Provides D-tapx2 (16V), 2-pin LEMO (16V), USBx1 (5V/2A)
Officially Recommended by ARRI

 

14.4V/28.8V Auto Switching

By “Magic Sticker” on normal V-plates

Beside ALEXA cameras, many Cine Lights are also designed high voltage input, to reduce current effectively, and protect power pins and ensure the reliability.

You can easily put on a “Magic Sticker” on the particular position of all standard V-mount plates, then PB-H290S battery can recognize and auto switch on 22-33.6V output mode.

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PB H290S 8  

290Wh Capacity
200W High Load



PB-H290S consists of 24pcs high class 18650 battery cells, and reaches 290Wh high capacity.
PB-H290S supports Max 200W constant power output, can drive ALEXA LF (160W) more on-camera monitors or wireless simultaneously.
The high load battery will have longer life time than normal battery if always under full load power.

 

6A Fast Charging

Using SWIT S-3812S fast charger

PB-H290S supports 6A fast charging by SWIT S-3812S fast charger, to save more than 50% charging time, can be charged from 0 to 80% after 2 and half hours, and fully charged within 4 hours 15 minutes.

PB H290S 9
 PB H290S 10  

D-tap Socket



A D-tap DC output socket is equipped on the top side of the battery pack, to power the other on-camera equipment together.
Under 14.4V (11-16.8V) output mode, D-tap output 11-16.8V and Max load 120W/10A;
Under 28.8V (22-33.6V) output mode, D-tap output constant 16V and Max load 50W/3A;

 

Digital Power Indicator

8-LED remaining time read

When battery is discharging:
Press “Power Check” button, Upper 4 LEDs display remaining working hours, and Lower 4 LEDs display remaining working minutes, under current output power.
The LED will flash when remaining time is less than 15 minutes to remind changing battery.
When battery is charging:
Upper 4 LEDs flashing constantly, indicates the real-time capacity percentage 25%, 50%, 75% and 100%.
When battery is free:
Press “Power Check” button, Upper 4 LEDs light up, to indicate the remaining capacity percentage 25%, 50%, 75% and 100%.

 PB H290S 11
PB H290S 12  

Strong 1.5m Drop-off Proof



Dual housing + Robber cover


PB-H290S has innovative dual housing structure: the inner cell cage and outer anti-shock housing with rubber covers. The new structure makes the battery quite strong, anti-shock. The battery can survive from 1.5 meters any angles drop-off.


Technical Description
 PB H290S 13
 High quality Lithium cells


For 20 years, SWIT has been leading brand of broadcast camera batteries. The first reason is the high quality Lithium cells we adopted.
The high quality cells featured long life, durable, safety, and most of all, the cells has very little difference to each other, which ensures the high performance of the whole battery pack.
Moreover, the cells we’re using, have a smooth discharging curve by voltage, so that you can judge the remaining running time accordingly. Also when in storage, the self-discharging rates are very little, that extends the battery life effectively.

 PB H290S 14
 
Multiple Safety Protection Circuit
The battery has an MCU to measure and record the real time data, and will cut off power when over-voltage, under-voltage, over-current, high-temperature of low-temperature is detected.
Cell balance adjustment
After the batteries are used for a period of time, the cells voltage might get difference, and our specially designed circuit can optimize the imbalanced cells, to prolong the battery life.
 
 Specification 
Nominal Voltage

14.4V or 28.8V auto switching

Capacity 290Wh
Max output power (14.4V) Total: 200W / 16A

Pins: 200W / 16A

D-tap: 120W / 10A
Max output power (28.8V)

Total: 200W / 8A

Pins: 200W / 8A

D-tap (16V): 50W / 3A

Max charging current

6A fast charging

Mount Type V-mount
Operation Temperature -20°C ~ 40°C*
Net weight

1578g

Dimensions 162×101×69mm
* The battery capacity will decline when working below 0°C. This is normal.