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Review Summary
High current capability
Thanks to the unique V-Mount CINE connection and the CINE-VMM HL camera plate, the battery can continuously deliver 20A without risking any damage - neither to the connector pins, nor to the cells (Trimix HL cells).
Automatic switching by empty batteries to allow continuous powering of the Camera for 120s
For Power hungry cameras: maximum Load 20.0A
High-End aluminum V-Mount plate
2 Step empty battery-alarm
20Wh built-in power-buffer
12V (unreg.) D-Tap Port with self-resetting 5A Fuse
Zero maintenance required
Works only with V-Mount Lithium-Ion Battery ( nominal voltage between 14.4V and 14.8V)
Charging
The ML-120V/V-HL charges itself from the V-Mount battery
At first charge or If completely empty, the ML-120V/V-HL will be ready to use after 60 minutes
While Charging the yellow "Charging" LED turns on
When fully charged the green "Ready" LED turns on
The ML-120V/V-HL charges itself automatically when needed
During charging The ML-120V/V-HL keep monitoring the voltage of the battery and is ready to switch if needed
Battery Swap
The ML-120V/V-HL detects a battery as empty when the voltage drops below 12.5V
The ML-120V/V-HL instantly takes over powering the Camera and the D-Tap port for a maximum of 2 minutes and displays a red LED alarm
The LED Alarm flashes for 90s, turns to solid for the last 30s
After the empty battery has been replaced by a charged one (voltage under load of over 14.5V), powering of the Camera instantly reverts to the V-Mount battery
The ML-120V/V-HL switches up to 6 Times before running empty
If the empty battery is not replaced within 2 minutes the ML-120V/V-HL and the Camera will switch off
Alarm LED's brightness
To allow the Alarm LED to be visible in bright environments (sunlight etc.) but not disturbingly over bright in darker environments (studio etc.), the ML-120 has automatic brightness adjust
The brighter the environment the brighter the alarm LED will show
The environment light detector is located at the top - middle of the ML-120 housing
Covering the housing (with tape for instance) will switch off the automatic brightness adjust and the alarm LED will flash with minimum brightness