Remote Audio LiFe Box 20c, Lifebox 20 User Manual

USER GUIDE

Remote Audio’s MEON Series LiFe Box 20c is a Lithium Iron Phosphate (LiFePO4)
battery module designed to be used as a stand-alone 12 Volt DC power source
providing 250 Watt-hours (20 Amp-hours) of battery life at up to 15 Amps
continuous current and digital metering all housed in a compact and portable
Pelican 1150 case. The LiFe Box 20c features an integrated smart battery charger
for convenient recharging.

LiFePO4 Battery

The MEON Series LiFe Box’s Lithium-Iron-Phosphate (LiFePO4) batteries, similar to
other Li-Ion technology batteries, are lower weight and smaller size than
equivalent capacities in other chemistries, such as Lead Acid and NiMH. However,
a key advantage of the LiFePO4 when compared to other Li-Ion types is its
superior thermal and chemical stability, higher peak-power rating, and it contains
no toxic heavy metals. It is internally protected against over-charge (> 15.2 Volts)
and over-discharge (< 10.0 Volts) and short circuit conditions.

Connections

The LiFe Box 20c has a single Neutrik 4-pin XLR Female output connector. The 4­pin XLR wiring configuration is pin 4 = Battery +, pin 1 = Battery -.

4. Current shunt range
This meter is designed to function with either a 50 or 100 Amp current shunt. The
meter has been preset to use the supplied 100 Amp current shunt. This setting
should not need any adjustment.
Step1: Press and hold the key (about 8 seconds) until “Curr” appears flashing at the
bottom left of the screen. Then release the key.
Step2: At this time, you will see “100A” displayed at the top left of the screen. A
single click of the key will switch between “100A” and “50A

”. Press and hold the key
to save the setting. If there is no operation after 3 seconds the meter will
automatically quit.

Specifications

Limited Warranty

Remote Audio warrants the MEON Series LiFe Box against defects in materials and workmanship for a period of one

(1) year from the date of original retail purchase. The internal battery pack is warranted for six (6) months. Remote
Audio will repair or replace qualifying products at its discretion at no charge. Please visit our website for complete

terms and conditions or contact us at [e-mail]

Dimensions: 9.44” x 7.80” x 4.29” (L x W x D)
Weight: 8.0 lbs
DC Output Voltage: 12 V Nominal, battery shutdown below 10 V
Output Current: 10 A max, external automotive blade fuse
Input/Output Connectors: One (1) 4-pin XLR Female and One (1) NL2 Male SpeakON

Battery Capacity: 250 Wh

Single Key Meter Functions

1. Back-light control

A single click of the meter key will turn on/off the backlight.

2. Reset energy counter

The meter will cumulatively count the number of Amp-hours used based on its
current measurements. This is solely an incremental counter and does not
automatically reset once the battery life is depleted or recharged. The counter
must be manually reset to 0 following this procedure:

Step 1: Press and hold the key (5 seconds) until ‘CLr’ appears flashing at the
bottom left of the screen. Then release the key.
Step 2: At this time, the energy reading will be flashing, and a single key click will
reset the cumulative energy counter.
Step 3: if there is no operation within 5 seconds, the cumulative energy counter
will not be reset and the meter will just quit the energy reset process.

3. Voltage alarm setting
The meter comes preset with these voltage alarm thresholds:
Over-voltage alarm set to 15.0 Volts
Low-voltage alarm set to 10.2 Volts

When the voltage reading goes above 15.0 Volts or below 10.2 Volts the Voltage
read out and the meter backlight will begin flashing and continue to do so until
the situation is corrected.

It is recommended that these thresholds be kept at these preset values, however
changing them can be accomplished following this procedure:
Step1: Press and hold the key (3 seconds) until “SET” appears flashing at the
bottom left of the screen. Then release the key.
Step2: At this time, you will see 2 values on either side of the letter “V”. The left
one is the high volts alarm value. The right one is the low volts alarm value. Each
click of the key will increase the flashing number by 1. If there is no operation
after 3 seconds, it will jump to the next digit. The next digit will begin flashing
and you can adjust it.
Step3: Once the correct values are being displayed, press and hold the key (about
5 seconds) until “PASS” is displayed under each of the voltage alarm values. That
means that the new voltage alarm values have been saved to memory and will
quit the setting process.

Fuse
The LiFe Box 20c uses an external replaceable standard automotive 10 Amp blade
fuse for battery protection. When the continuous current being drawn from the box
is higher than 10 Amps, the fuse will blow, causing the red LED fuse indicator to
illuminate. The meter’s under-voltage alarm will also be triggered when the fuse
blows.

Charging
The LiFe Box 20c has an integrated smart two-stage battery charger for convenient
recharging. The 5 Amp charger will fully recharge the battery in approximately 3
hours. The standard IEC AC input universally accepts both 100-120V 60 Hz and
200-240V 50Hz. The LED indicator above the IEC inlet displays the charger status
when AC power is connected.

Red = Charging
Green (flashing) = Topping Charge
Green (solid) = Fully Charged

The LiFe Box 20c has an internal cooling fan that will turn on only when the charger
is actively charging. This is to dissipate heat generated by the charger by reducing
internal temperatures in the LiFe Box 20c during charging. Doing so helps prevent
battery life degradation.

Digital Multi-Function Meter
The on-board meter measures voltage, current, active power, and accumulated
energy. It features a backlit LCD, dual over-voltage/low-voltage alarm function, and
energy data storage when powered off.

Display format
Voltage: 6.50~99.99 Volts DC
Current: 0.00~99.99 Amps
Power: 0.0~9,999 kW (kilowatt)
Energy: 0~9,999 kWh (kilowatt-hours)