FranklinWH system integrates multiple energy sources to provide a comprehensive home energy management and backup solution. It stores energy from solar, grid, and generators for self-consumption, load shifting under TOU rates, or backup during outages. The FranklinWH system intelligently monitors and manages your home energy, helping you optimize usage. With automatic upgrades, you’ll always enjoy the latest features and best user experience.
aGate
- Micro-grid interconnect device (MID)
- Integrated PV and grid metering
- Auto load-shedding
- Compatible with micro- and string-inverters
- Optional Smart Circuits Module
- Optional Generator Module
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Coupling
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AC-coupled
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Nominal AC Voltage
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120 V / 208 V, 120 V / 240 V, 60 Hz
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Phase
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2 W+N+PE
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aPower Over Current Protection Device
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100 A Max
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Solar Input Over Current Protection Device
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80 A Max
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Generator Over Current Protection Device
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200 A Max
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Generator Over Current Protection Device1
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200 A Max
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Smart Circuits Over Current Protection Device
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Opt. a 1 × 80 A Max @ 208 V / 240 V & 1× 50 A Max @ 208 V / 240 V
Opt. b 1 × 80 A Max @ 208 V / 240 V & 2 × 50 A Max @ 120 V
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Maximum Supply Fault Current
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20 kA
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Communications
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Ethernet / 4G / Wifi
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Warranty
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12 years
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aPower X
The aPower is a 13.6 kWh battery storage system utilizing LFP battery chemistry and is AC-coupled. The aPower can be scaled up to 15 units per aGate, offering a remarkable 204 kWh of storage to meet various home energy needs. As a robust battery, a single aPower unit is powerful enough to start a 4-ton air conditioner.
- Safe LFP chemistry
- AC-coupled for easy installation
- 13.6 kWh per unit, up to 204 kWh (15 units) per aGate
- 5 kW continuous / 10 kW peak for 10 s (discharge)
- Normal operations down to -4 F (-20 C)
- IP67 protection for outdoor installation protection
- Single aPower capable of starting a 4-ton air conditioner
- First-of-its-kind 208 V compliant battery for multi-family housing
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Battery Chemistry
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Lithium Iron Phosphate (LFP)
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Usable System Energy
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13.6 kWh per unit, scalability up to 15 units per aGate
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Aggregate Throughput
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43 MWh
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Maximum Real Power
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5 kW continuous, 10 kW for 10 seconds
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Load Start Capability
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118 A LRA
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Nominal AC Voltage
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120 V / 208 V, 120 V / 240 V, 60 Hz
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Coupling
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AC-coupled
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Phase
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2 W+N+PE
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Round Trip Efficiency
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89%
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Noise Emission
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＜30 dB (A), fan off & passive cooling
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Warranty
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12 years
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aPower 2
aPower 2 offers a higher power output and increased capacity, making it ideal for whole-home backup with enhanced photovoltaic (PV) utilization. It is suitable for both retrofits and new builds and is compatible with any solar inverter.
Designed for off-grid readiness, aPower 2 can operate independently of the main power grid, ensuring reliable energy delivery in any situation.
Homeowners benefits:
- Industry-leading 15 kWh1 capacity per unit, providing whole home backup.
- Able to start up and run a 5-Ton AC with a single battery.
- Compatible with all major solar power inverters, enabling 8 kW PV to a single aPower 2.
- Natural air-cooled, with no fan design to maximize maintenance free reliability, delivering quiet operation with noise level as low as 30 dBA.
- Enjoy peace of mind with a 15-year limited warranty.
| Battery Chemistry | Lithium Iron Phosphate (LFP) |
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| Usable System Energy | 15 kWh AC1 per unit, up to 15 units per aGate |
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| Aggregate Throughput | 60 MWh |
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| Real Power (charge) | 8 kW continuous |
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| Nominal Output Power (AC) | 2.5 kW | 5 kW | 6.6 kW | 8.4 kW | 10 kW2 |
| Maximum Apparent Power | 2.9 kVA | 5.8 kVA | 7.7 kVA | 9.6 kVA | 11.5 kVA |
| Maximum Continuous Current | 12 A | 24 A | 32 A | 40 A | 48 A |
| Nominal AC Voltage | 120 / 240 V, 120 / 208 V (single phase), 60 Hz | ||||
| Coupling | AC-coupled | ||||
| Phase | 2 W+N+PE | ||||
| Round Trip Efficiency | 90%1 | ||||
| Load Start Capability | Can start up a 5-ton air conditioner | ||||
| Noise Emission | 30 dB(A) Typical, 40 dB(A) Maximum | ||||
| Flood Resistance | Up to 29 in. | ||||
| Warranty | 15 years3 | ||||
1. At beginning of life, 3 kW charge/discharge power, 77 °F (25 °C).
2. Refer to the installation manual and commissioning guide for proper wire and OCPD sizes.
3. For more details, please refer to the FranklinWH System Limited Warranty for End Users available in the Documentation Center on the FranklinWH website.
aPower S
The aPower S is a battery storage device with integrated inverters to support a direct connection to solar (PV) panels. The front wiring design makes installation easier and more efficient.
The aPower S also supports parallel AC-coupled connection with FranklinWH aPower 2 batteries to expand power and capacity for homes at the same time. It can be flexibly deployed according to customer requirements. Excellent load adaptability provides the best backup experience to users.
aPower S has a 15 kWh capacity, which can provide whole home backup with a single battery. It provides a 60 MWh throughput or 15-year warranty, helping users to easily achieve reliable energy independence and freedom over the long term.
Homeowners benefits:
- Four built-in MPPTs
- 15 A per MPPT
- RTE 90.5%
- Safe LFP battery cell chemistry
- Built-in hybird inverter
- IP67 weather protection
- 15 kWh per unit, up to 225 kWh (15 units) per aGate
- 11.5 kW continuous / 15 kW peak for 10 seconds
- Built-in heating blanket ensures reliable cold-weather performance down to -4° F (-20° C)
- Stable operations in extreme heat up to 131° F (55° C)
| Battery Technical Specifications | ||||
| Battery Chemistry | Lithium Iron Phosphate (LFP) | |||
| Usable System Energy | 15 kWh per unit, up to 15 units per aGate1 | |||
| Aggregate Throughput | 60 MWh | |||
| Real Power (charge) | 8 kW continuous | |||
| Nominal Output Power (AC) | 5 kW | 7.6 kW | 9.6 kW | 11.5 kW1 |
| Maximum Apparent Power | 5 kVA | 7.6 kVA | 9.6 kVA | 11.5 kVA |
| Maximum Continuous Current | 21 A | 32 A | 40 A | 48 A |
| Nominal AC Voltage | 120 / 240 V, 120 / 208 V (single phase), 60 Hz | |||
| Phase | 2 W+N+PE | |||
| Round Trip Efficiency | 90.5%2 | |||
| Load Start Capability | LRA 185A, Up to a 5-ton air conditioner | |||
| Noise Emission | 30 dB(A) Typical / 45 dB(A) Maximum | |||
| Flood Resistance | Up to 29” from the aPower S base | |||
| Warranty | 15 years3 | |||
| Solar Technical Specifications | ||||
| Maximum Solar STC Input | 20 kW | |||
| Withstand Voltage | 600 Vdc | |||
| PV DC Input Voltage Range | 60 - 550 Vdc | |||
| PV DC MPPT Voltage Range | 90 - 480 Vdc | |||
| MPPTs | 4 | |||
| Maximum Current per MPPT (Imp) | 15 A4 | |||
| Maximum Short Circuit Current per MPPT (Isc) | 20 A | |||
1. When both PV and battery are supplying power, the system can deliver a continuous AC output of up to 11.5 kW. When powered by battery only, the continuous AC output is 10 kW. This is only applicable to aPower S units with 11.5 kW indicated on the product nameplate. Otherwise, the output power shall be based on the product nameplate.
2. At beginning of life: 3 kW charge/discharge power, 77° F (25° C).
3. For more details, please refer to the FranklinWH System Limited Warranty for End Users available in the Documentation Center on the FranklinWH website.
4. If the selected PV module has an IMPP exceeding 15 A, the MPPT will automatically limit the current to 15 A. The total open-circuit voltage must not exceed the maximum input voltageof 550 V.
aPbox
The aPbox is an optional component of the FranklinWH system, designed for use with large photovoltaic (PV) systems. It monitors and controls PV production, enhancing solar generation efficiency and protecting the FranklinWH system from solar overgeneration. In incentive programs such as Hawaii NEM+, integrating the FranklinWH system with the aPbox can optimize your solar incentives.
- A reliable energy management solution for PV expansion
- Maximize utility incentives
- There is no need to change the wiring of the existing PV system
- The only NEM+ energy management solution that is compatible with all inverters
- Requires only a single system to manage both existing & new PV systems
- Integrated energy storage system (ESS) increases utilization of expanded PV
- Simple solution, easy installation & maintenance
Meter Adapter Controller (MAC 1)
The MAC 1 serves as the intelligent energy management system at the heart of the FranklinWH System. It seamlessly coordinates and optimizes the operation of aPower 2 and aPower S batteries, meter socket adapter (MSA) products, and the aHub energy expansion dock, ensuring every component works efficiently together to deliver reliable, intelligent, and adaptable home energy management.
Designed to integrate seamlessly with MSAs, the MAC 1 leverages their metering and disconnect capabilities—without requiring any modification to the utility meter—to deliver precise energy measurement, rapid disconnection, and simplified installation. This powerful combination lets homeowners enjoy a safe, efficient, and worry-free energy system with minimal effort.
The MAC solution is now available in California.
Homeowner Benefits:
- Installed in just 15 minutes with minimal disruption.
- Compact and lightweight, weighing only 3 lbs.
- Secure snap-fit design makes setup simple and safe.
- Smart controls let you track solar, grid, and energy use from your phone.
- Delivers savings with TOU, self-consumption, backup, and VPP readiness.
| Rated AC Input Voltage | 208 Vac, 240 Vac |
| Operating AC Voltage Range | 183~228 Vac, 211~264 Vac |
| Rated DC Input Voltage | 12 Vdc, 24 Vdc |
| Operating DC Voltage Range | 10~16 Vdc, 20~28 Vdc |
| Rated Power Consumption | 7 W |
| Communications | CAN/RS485/Ethernet/Wifi/4G/Bluetooth |
| Operating Temperature | -20° C to 50° C (-4° F to 122° F) |
| Environment | Indoor / Outdoor |
| Warranty | 15-year |
