“BIG M” high-capacity storage battery
This compact high capacity battery storage system is primarily intended for integration with photo-voltaic (PV) power stations. It can power the entire family house during the time with low sunlight and during the night.
Recommended PV power for this size is 5-12 kW, recommended DC-AC inverter is up to 10 kW AC power continuous and 20 kW peak power.
Technical details
- 51V nominal voltage
- 840Ah 43 kWh
- 1C-2C Hybrid Battery Pack
- UL, CE, SGS-RoHS, RBRC, ISO, and TS Certified
- Custom Lithium LiFePO4 Cylindrical Battery Pack
- Communication compatibile with SMA Sunny Island inverter and Studer Xtender inverters (on request)
Comes with a Protective Advanced BMS installed
- Advanced BMS
- Automatic switch off protection, connection to analog switching of charger or load (inverter)
- Max Continuous discharge amperage is 1C
- Max Peak discharge amperage is 2C for 60 seconds
Compatible with Studer inverter/charger and Sunny Boy inverter , could be used with any other inverter without communication
Optional Charger 3.3 kW:
- Vented or Waterproof
- 58,4 V, 60 A peak output
- Will charge your pack in around 14 hours from 90% depletion
Certified Cylindrical Battery Pack combines cylindrical cells for higher voltage and capacity applications than those of a single cell.
| Ah | 840 (0.2C5A) |
| MAX CONTINUOUS DISCHARGE AMPERAGE | 1C – 840A |
| MAX PEAK DISCHARGE AMPERAGE | 2C – 1680A |
| STANDARD CHARGE | 0.2C-168A |
| FAST CHARGE | 0,5C-420A |
| DISCHARGE CUT-OFF VOLTAGE (2.65 V per parallel cell set) | 43 V |
| BASE VOLTAGE (3.12V) | 51V |
| CHARGE CUT-OFF VOLTAGE (3.65V) | 58,4 V |
| SERIES / PARALLEL / CELL COUNT | 16 / 168 / 336 |
| DIMENSIONS | (1400*900*300 mm) |
| WEIGHT | 1050 lbs (500 kgs) |
| CYCLE LIFE (80% DOD)
(Based on 1C Discharge and Charge) |
2000 |
| SELF DISCHARGE RATE (30 DAYS) | 3% |
| OPERATING TEMP | -4 to 113F (-20 to 45C) |
| CHARGING TEMP | 32 to 113F (0 to 45C) |
| STORAGE TEMP | -4 to 150F (-20 to 75C) |
| ENERGY MONITOR | Monitoring app on Android 5.0 tablet PC connected by Bluetooth (included) |
| ENERGY TYPE | 51V 840Ah 43 kWh 2C-3C Lithium LiFePO4 Custom Built Cylindrical Battery Pack |
Included: Energy monitor app on Android tablet PC connected by integrated Bluetooth module!
Send your inquiry on info@eauto.si or buy online
Battery packs
We offer a variety of battery packs for different purposes, storage, camping, hybrid and electric boats, vehicles, etc. The full range and detail info can be seen on our online shop.
We also manufacture custom battery packs, which are tailored to customers needs and requirements. For more information, please send your inquiry to info@eauto.si
