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ECOBSS FLEX 3L hybrid inverter — front view
SKU
FLEX-3L-6-12K
Brand
ECOBSS
Datasheet (PDF)

ECOBSS FLEX 3L Hybrid Inverter (6–12 kW)

The ECOBSS FLEX 3L is a three-phase hybrid inverter differentiated by firmware—not raw kW—shipping with PowerWallet EMS that unifies daily buy, sell, and auto-consumption schedules stock Deye units cannot express without manual 'Selling First' toggles.

Tech Specs

ECOBSS FLEX 3L Hybrid Inverter (6–12 kW) — Tech Specs
Parameter FLEX 3L6K FLEX 3L8K FLEX 3L10K FLEX 3L12K
Battery Input Data
Battery Type Lead-acid or Lithium-ion
Battery Voltage Range(V) 40-60
Max. Charging Current (A) 120 160 200 240
Max. Discharging Current (A) 120 160 200 240
External Temperature Sensor Yes
Charging Curve Three-stage
Charging Strategy for Li-ion Battery Self-adaption to BMS
PV String Input Data
Max. PV Access Power (W) 7800 10400 13000 15600
Rated PV Input Voltage(V) 550 (160-800)
Start-up Voltage（V） 160
MPPT Voltage Range（V） 200-650
Full MPPT Voltage Range（V） 350-650
Max Operating PV Input Current（A） 13+13 13+13 26+13 26+13
Max Input Short-Circuit Current（A） 17+17 17+17 34+17 34+17
No.of MPP Trackers/No.of String Per MPP Tracker 2/2+1
AC Input/Output Data
Rated AC Input/Output Active Power（W） 6000 8000 10000 12000
Max AC Input/Output Apparent Power （VA） 6600 6800 11000 13200
Rated AC Input/Output Current（A） 9.1/8.7 12.1/11.6 15.2/14.5 18.2/17.4
Max AC Input/Output Current（A） 10/9.6 13.4/12.8 16.7/15.9 20/19.1
Max AC Output Short-Circuit Current（A） 75
Max Continuous AC Passthrough (grid to load)（A） 45
Peak Power (off-grid)（W） 2 times of rated power, 10s
Power Factor Adjustment Range 0.8 leading to 0.8 lagging
Rated Input/Output Grid Frequency/Range 50/60Hz
Rated Input/Output Voltage/Range(V) 3L/N+PE 220/380Vac, 230/400Vac
Grid Type Three-phase
Total Current Harmonic Distortion THDi <3%
Efficiency
Max Efficiency 97.6%
Euro Efficiency 97.0%
MPPT Efficiency 99.0%
Equipment Protection
Integrated Anti-islanding Protection, DC Reverse Polarity Protection, Insulation Impedance Detection, Residual Current Detection, AC Output Overcurrent Protection, AC Output Short Circuit Protection
Surge Protection Level TYPE III(DC), TYPE III(AC)
Over Voltage Category OVC II(DC), OVC III(AC)
Interface
BMS Communication Interface RS485, CAN
Monitor Mode Wi-Fi + App
General Data
Operating Temperature Range -40℃ to +60℃, >45℃ Derating
Type Of Cooling Smart active cooling
Noise <70 dB / 60 dBA (silent mode)
Ingress Protection(IP) Rating IP65
Mounting Type Wall mount
Cabinet size（W*H*D）[mm] 446×576×255 (excluding connectors and brackets)
Weight[kg] 37.5
Warranty 10 years (subject to product registration at ecobss.com)
Grid Regulation IEC 61727, IEC 62116, EN 50549-1
Safety EMC/Standard IEC/EN 61000-6-1/2/3/4, IEC/EN 62109-1, IEC/EN 62109-2

Architected for 51.2 V ECOBSS STORE battery stacks (L5/L10/L15), FLEX 3L targets installers who sell integrated EcoBSS ecosystems: inverter + STORE modules + cloud EMS in one commissioning workflow. CAN BMS mapping follows EcoBSS conventions; mixing arbitrary third-party 51.2 V blocks requires explicit compatibility approval—default designs use STORE series only.

PowerWallet enables tariff-aware dispatch against Georgian B2B (0.35 ₾/kWh) and B2C (0.24 ₾/kWh) profiles: charge overnight on cheap windows, discharge at peak, export when permitted—all within one daily schedule table. This reduces custom SCADA for hotels and retail chains that otherwise bolt external EMS onto Deye hardware.

Hardware parallels other 6–12 kW three-phase hybrids: MPPT PV inputs, grid backup transfer, export limiting, and App visibility. GEN-port AC Coupling may be supported per firmware revision—confirm in EcoBSS release notes before promising retrofit topology identical to Deye LP3.

Ideal for

  • ✓ Integrators standardized on ECOBSS STORE 51.2 V aesthetics for homes and boutiques
  • ✓ Facilities needing unified EMS without third-party SCADA licensing
  • ✓ Clients frustrated by Deye's separate buy/sell schedule limitations

Compatible batteries

Often added together

Technical FAQ

Can I attach HECKMAN 51.2 V modules?
Not in default EcoBSS designs—FLEX 3L is validated with ECOBSS STORE 51.2 V packs. Cross-brand LV integration requires engineering sign-off.
What does PowerWallet add?
Single timeline for import, export, and self-consumption—avoiding Deye's manual mode switches between selling-first and charging priorities.
Deye 12K LP3 vs FLEX 3L?
Choose Deye for broader 51.2 V battery choice and GEN-port retrofit maturity; choose FLEX 3L for EcoBSS EMS + STORE industrial design language.
Parallel scaling?
Consult EcoBSS documentation for multi-unit EMS—unlike Deye 10-unit CAN parallel on LP3/HP3, FLEX scaling rules are product-specific.
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