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1

Product data sheetCharacteristics

Humless Off-Grid Series 1.5kWhOff-grid power supplyMultiple Source Charge & DischargeOutput Power: 1.5kW 120/240VacStorage Capacity: 1.5kWh

SpecificationsLighting and devices:Government, Military/SecurityCommercial, Marine, Domestic Home

2,500+ cycles (daily use ~6.8 yrs)

3,500+ cycles

Daily

>90%

Primary use

Cycle life

Component reliability

Expected usage

System ef�ciency

AC Charger

AC charging model

Input AC voltage

CC:Constant CurrentCV:Constant Voltage

90~285 Vac

Input AC frequency 50Hz OR 60Hz (±5%)

Max. power output to battery 300W

Over voltage protection Yes

Low voltage protection Yes

Max AC amperage protection Yes, self-limit

Temperature protection (hot/cold) Yes/No

Ef�ciency >93%

Power Factor >0.98

DC Charger

DC Inputs Variable (solar, wind, other)

MPPT No

Operating Vdc range/Peak range 12-80Vdc/48-80Vdc

Max. power output to battery 300 W (10Amp max)

Over voltage protection

Low voltage protection

Yes

Yes

Max amperage protection Yes, self-limit

Temperature protection (hot/cold) Yes/No

Reverse polarity protection Yes

Ef�ciency >90%

Reliable Power SystemsHUMLESS™

The

Info

rmat

ion

prov

ided

in th

is d

ocum

enta

tion

cont

ains

gen

eral

des

crip

tions

and

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echn

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cha

ract

eris

tics

of th

e pe

rform

ane

of th

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oduc

ts c

onta

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n. T

his

docu

men

tatio

n is

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inte

nded

as

a su

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the

prod

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peci

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Front panelDC Input Voltage: 12-80Vdc

Max. Power in: 300W to battery/1.5kW to AC load

AC Input Voltage: 90-285Vac

DC output 1 Voltage: ~12VdcCurrent: max. 20A

DC output 2 4 x 2.1Amp USB

Battery Cycle Life (100% DOD; 25 degrees Celcius) 2,500+

AC Out: Inverter

Output wave form/THD

Grid-tied/Back-feed detect & shutdown

PSW Pure Sine Wave/ <4%

No; off-grid (NOT designed to auto-tie into grid)

Output AC voltage 120+/-10V / 220-240Vac

Output AC frequency 50-60Hz

Inverter ef�ciency ≥88%

Max. consistant output power 1.5kWh

Peak output power 2kWh

Startup peak power 9.6kWh <500ms

Overload protection Yes

Over temperature protection Yes

Input reverse connection protection Yes

Output short protection Yes

By-pass functionality Yes, 120Vac (<30 ms)Grid bypass 1.8kWh Solar bypass 1.5kWh 120Vac/15Amp max; 240Vac/7.5Amp max

Low Voltage Protection Yes

2

Battery (incl. BMS)

Battery type LFP

Battery standard voltage 48Vdc Nominal

Battery volume 30Ah

Manual Disconnect System from Battery Yes

Battery Standards UN38.3UL1642/CEIP20

Other

Application environment Indoor OR outdoors in NEMA 4/5 enclosure

Normal ambient temperature 22+/-5 °C

Case temperature < 55 °C on full load discharging status

Normal ambient moisture <= 90%

Reliable Power SystemsHUMLESS™

The

Info

rmat

ion

prov

ided

in th

is d

ocum

enta

tion

cont

ains

gen

eral

des

crip

tions

and

/or t

echn

ical

cha

ract

eris

tics

of th

e pe

rform

ane

of th

e pr

oduc

ts c

onta

in h

erei

n. T

his

docu

men

tatio

n is

not

inte

nded

as

a su

bstit

ute

for a

nd

is n

ot to

be

used

for d

eter

min

ing

suita

bilit

y or

relia

bilit

y of

the

prod

ucts

for s

peci

fic u

ser a

pplic

atio

ns. I

t is

the

duty

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ny s

uch

user

or i

nteg

rato

r to

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and

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plet

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the

prod

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Nei

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Hum

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Other (Continued)

Storage temperature 0~+50 °C

Storage moisture <= 90%

Altitude 2,000m

Cooling Fan & Convection

Industrial Design Steel powder coated, standard rack dimensions500mm x 330mm x 300mm (20" x 13" x 12")

Estimated total system weight (incl. battery) ~25kg (~55lbs)

Safety requirement/Standards

3

FCC Conform to FCC Part 15 Subpart J Class B

CE Yes

UL Not certi�ed but UL standards used in design*Does not conform to UL1741 and CSA 107.1 for utility interactive applications