Description
Storage expansion without touching existing solar strings.
GoodWe GW50K07-BTC is a 50 kW commercial AC-coupled bidirectional storage inverter delivering 55 kVA maximum apparent power and 100 A battery throughput, engineered to retrofit high-performance battery storage onto existing commercial solar installations without rewiring rooftop strings.
Drop-In Commercial AC Retrofit
Adds high-voltage battery storage to existing commercial solar systems without modifying rooftop DC arrays.
50 kW Bidirectional Power Throughput
Rapidly absorbs excess solar from existing inverters to charge storage, discharging on-demand during peak utility hours.
100 A High-Voltage Battery Port (200–865 V)
Directly drives commercial battery banks (such as GoodWe Lynx C) with 97.6% peak conversion efficiency.
50 kVA Full Emergency Facility Backup
Automatically provides seamless backup power to critical factory circuits during utility grid blackouts.
More product details
Adding batteries to an existing commercial solar plant by replacing inverters requires costly DC rewiring, scaffolding, and system downtime. The GW50K07-BTC connects straight to the main AC busbar, capturing surplus solar from the AC grid.
- Connects directly to the facility's 400 V AC distribution panel beside existing string inverters of any manufacturer.
- Measures facility grid import/export in real time via the GoodWe GM330 smart meter and external split-core CTs.
- Automatically schedules charging during solar overproduction peaks and off-peak utility tariff windows.
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Direct 100 A battery throughput with 50 kVA emergency power.
Transitioning into heavy commercial storage, the GW50K07-BTC delivers 100 A continuous DC throughput across a wide 200–865 V window, allowing rapid 0.5C/1C cycling on 100+ kWh battery racks for dynamic peak shaving. Direct high-voltage pairing with GoodWe Lynx C indoor racks (LXC101 to LXC156) at up to 50 kW continuous power. Sub-10 ms automatic UPS transfer keeps sensitive commercial electronics and production lines running through blackouts. IP65 weatherproof casing allows clean indoor switchroom or sheltered outdoor mounting (-30 to +60 °C).
Pairs 200 to 865 V storage on one port
One HV Li-Ion input. RS485 and CAN talk to the BMS. Battery-to-AC peak is 97.2 percent.
Takes 55 kVA to or from the grid
Nominal AC is 50 kW. Apparent power to or from the grid is 55 kVA. No MPPT sits on this cabinet.
Sits in a 170.5 kg IP20 floor cabinet
585 x 1360 x 750 mm, smart fan cooling. Derating starts above 45 C. Altitude to 4000 m.
Technical data
Adding megawatt-scale battery storage and peak shaving without modifying existing solar inverters.
50 kW AC-coupled bidirectional storage inverter for commercial solar retrofit.
Designed to upgrade existing grid-tied commercial solar systems to energy storage, the GW50K07-BTC connects directly to the facility's 400 V AC distribution panel without requiring DC string rewiring or inverter replacement. It charges and discharges high-voltage battery racks at up to 100 A, delivering 50 kW of dynamic peak shaving and automated backup power.
- Bidirectional AC Power
- 50,000 VA
- High-Voltage Battery Bus
- 200–865 V
- High-Throughput Port
- 100 A
- DC Rewiring Needed
- Zero
Power & Phase
- Phase
- 3
- Nominal output power (kW)
- 50
- Max. apparent power to / from grid (kVA)
- 55
- Power factor
- ~1 (adjustable 0.8 leading to 0.8 lagging)
- Back-up nominal apparent power (kVA)
- 50
Battery Interface
- Battery voltage class
- HV
- Battery type
- Li-Ion
- Battery voltage range (V)
- 200 ~ 865
- Number of battery inputs
- 1
Efficiency & Protection
- Max. efficiency
- 97.6%
- European efficiency
- 97.3%
- Max. battery to AC efficiency
- 97.2%
- Ingress protection rating
- IP20
- Cooling method
- Smart fan cooling
Physical & Comms
- Dimension (W × H × D mm)
- 585 × 1360 × 750
- Weight (kg)
- 170.5
- Operating temperature range (°C)
- -20 ~ +60 (>45°C derating)
- Max. operating altitude (m)
- 4000
- Communication with BMS
- RS485, CAN
Project fit
Where this model fits.
Scenarios that show which projects the GoodWe GW50K07-BTC belongs in, what to verify before quoting, and when another model is the better pick.
Upgrading Existing Commercial Solar Plants (50–100 kWp) to Battery Storage
Commercial buildings with existing grid-tied solar inverters seeking to add 100–150 kWh of storage for peak shaving and nighttime self-consumption.
Drops straight into the electrical room without touching roof arrays, warranty agreements, or existing inverter setups.
- Confirm this model against the adjacent rating in the same family
Documents
GoodWe BTC 50-100kW datasheet (EMEA, EN) GoodWe BTC Series (GW50K07/GW100K07) DatasheetProduct questions
Does the GW50K07-BTC have any DC solar panel inputs?
No. It is a pure AC-coupled battery inverter. The GW50K07-BTC has zero MPPT or solar PV inputs. It is dedicated entirely to charging and discharging high-voltage battery storage from the facility's 400 V AC grid. If you need solar PV string inputs on the same inverter, select the GW50K07-ETC or GW50K-ET-10.
How does the inverter know when to charge from existing solar inverters?
Real-time telemetry from the GoodWe GM330 smart meter and CTs. The system measures total facility power at the main utility grid connection point using a GoodWe GM330 three-phase meter and external 5 A split-core CTs. When existing solar inverters generate more power than the facility consumes, the BTC inverter immediately absorbs the excess AC power to charge the battery bank.
System components
Required components
GoodWe SEC3000C
Item number: DLK-GOODWE-SEC3000C
Bundles a GM330 meter with parallel-inverter connection, removing the need for a separate meter on a C&I BTC install.
Recommended components
GoodWe LX C101-10 to LX C156-10 battery cabinet
Item number: DLK-GOODWE-LXC13810
GoodWe's C&I compatibility table lists the full Lynx C range against the ETC/BTC pair (EMS firmware 02+ on the 50 kW unit, 00+ on the 100 kW unit).
Optional components
GoodWe EzLogger3000C
Item number: DLK-GOODWE-EZLOGGER3000C
C&I data acquisition and protocol conversion for a multi-inverter retrofit site.
Approved pairings
GoodWe GW60KWH-D-10Item number DLK-GOODWE-GW60KWHD10LX C101-10 to LX C156-10. EMS firmware 02 or higher on the 50 kW; 00 or higher on the 100 kW. GW60KWH-D-10 is not in GoodWe's C&I table.
GoodWe LX C101-10Item number DLK-GOODWE-LXC10110LX C101-10 to LX C156-10. EMS firmware 02 or higher on the 50 kW; 00 or higher on the 100 kW. GW60KWH-D-10 is not in GoodWe's C&I table.
GoodWe LX C120-10Item number DLK-GOODWE-LXC12010LX C101-10 to LX C156-10. EMS firmware 02 or higher on the 50 kW; 00 or higher on the 100 kW. GW60KWH-D-10 is not in GoodWe's C&I table.
GoodWe LX C138-10Item number DLK-GOODWE-LXC13810LX C101-10 to LX C156-10. EMS firmware 02 or higher on the 50 kW; 00 or higher on the 100 kW. GW60KWH-D-10 is not in GoodWe's C&I table.
GoodWe LX C156-10Item number DLK-GOODWE-LXC15610LX C101-10 to LX C156-10. EMS firmware 02 or higher on the 50 kW; 00 or higher on the 100 kW. GW60KWH-D-10 is not in GoodWe's C&I table.