SiRay Energy
Low Voltage Batteries (51.2 V)
Five 51.2 V LiFePO4 modules for homes and light commercial sites. 51.2 V is the voltage most hybrid inverters expect, which is why these pair with existing hardware instead of replacing it.
The Low Voltage Battery Range
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| Model | Energy | Ah | Install | Notes |
|---|---|---|---|---|
| GLR-100 | 5.12 kWh | 100 Ah | rack / wall / stand | 133 mm slim module |
| GLW-200 | 10.49 kWh | 200 Ah | wall | compact wall case |
| GLM-314 | 16.08 kWh | 314 Ah | floor-standing | 127 kg, LED and LCD display |
| GLR-200 | 10.49 kWh per module | 205 Ah | stackable, 2-16 | 21-168 kWh |
| GLR-314 | 16.08 kWh per module | 314 Ah | stackable, 2-16 | 32.15-257.22 kWh |
51.2 V LiFePO4 Battery Modules
Sixteen LiFePO4 cells in series. 51.2 V sits inside the MPPT window of most residential hybrid inverters, keeps current low enough for 150 A breakers, and stays under the 60 V DC extra-low-voltage limit that simplifies installation.
Modular Battery Storage: Stack, Then Stack Again
GLR modules add capacity in 10.49 or 16.08 kWh steps. Two modules fill a cupboard; sixteen fill a garage wall. The BMS recognises the new modules over the same RS485 / CAN bus.
Monitoring
RS485 / RS232 / CAN to the inverter, plus WiFi and Bluetooth to a phone app on GLR-100, GLW-200 and GLM-314. GLM-314 adds an LED bar and an LCD on the case.
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Common Questions
How many cycles does a LiFePO4 home battery last?
SiRay residential battery modules are rated for more than 6000 cycles at 0.5C, 90% depth of discharge and 25 ℃, with a 15-year design life. The SNE-ES F30 and SNE-ES F32 use an 8000-cycle cell. The GLC-261 liquid-cooled cabinet is rated 8000 cycles to 70% end of life.
Can I add more battery capacity later?
Yes, if you choose a stackable model. SiRay GLR-200 and GLR-314 accept 2 to 16 modules, taking the bank from 21 kWh to 168 kWh (GLR-200) or from 32.15 kWh to 257.22 kWh (GLR-314) without changing the footprint. High-voltage GHR and GHS strings accept 3 to 15 modules. The SNE-ES wall units parallel up to 16 units for 81.6 or 168 kWh.
Which inverters work with SiRay low-voltage batteries?
SiRay 51.2 V low-voltage modules communicate over RS485, RS232 and CAN and are matched to Growatt, Solis, GoodWe, Sol-Ark, SRNE and DEYE inverters. SiRay recommends confirming the specific inverter model before ordering.
Low Voltage Batteries Models Compared
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| Model | Rated energy | Voltage | Max power | Cycle life | IP rating | Dimensions (mm) | Weight | Communication |
|---|---|---|---|---|---|---|---|---|
| GLM-314 | 314 Ah | 51.2 V | — | >6000 (0.5C @25℃, 90% DOD) (design life 15 years) | — | 503 × 233 × 880 mm | 127 kg | RS485 / RS232 / CAN |
| GLW-200 | 200 Ah | 51.2 V | — | >6000 (0.5C @25℃, 90% DOD) (design life 15 years) | — | 453 × 228 × 750 mm | 90.6 kg | RS485 / RS232 / CAN |
| GLR-314 | 314 Ah | 51.2 V | — | >6000 (0.5C @25℃, 90% DOD) (design life 15 years) | IP20 | 838.5 × 478 × 278 mm per module | 125.8 kg per module | RS485 / RS232 / CAN |
| GLR-200 | 205 Ah | 51.2 V | — | >6000 (0.5C @25℃, 90% DOD) (design life 15 years) | IP20 | 675.8 × 478 × 278 mm per module | 95.8 kg per module | RS485 / RS232 / CAN |
| GLR-100 | 100 Ah | 51.2 V | — | >6000 (0.5C @25℃, 90% DOD) (design life 15 years) | — | 440 × 440 × 133 mm | 48 kg | RS485 / RS232 / CAN |