DIY TESLA POWER WALL
Member
- Joined
- Oct 8, 2016
- Messages
- 57
Check out my LifePO4 build on YouTube
Specifications:
Current status: semi off grid
Input: 4.5kw
Storage: 10.6kwh
Output: 5800w
No load consumption: 2w
Nominal voltage: 48v
Max charge current: 75A
Charge voltage: <= 60v
Balance current: 1A
Battery life: 25 years
Equipment:
250w 24v panel x 18 (3 East, 9 North, 6 West)
200ah Lifepo4 16S
Latching relays + solid state relays
Arduino Mega
12" display
Inverter 1: Victron Phoenix 800VA
Inverter 2: MPP Solar PIP4048MS
Fangpusun 150/70 charge controller X 2
Voltage range relay (40-61v)
100A hall sensors
Changeover switch
HRC fuses
KWH meter x2
Hot water Heat Pump
BMS:
System: Arduino Mega
Voltage reading: solid state relay 2 pole optocoupler x 16
Balance method: dynamic
Balance type: passive
Discharge method: resistor
Balance current: 1000mA
Data output: serial + Bluetooth
Display: 12"
Adjustable parameters: pack low voltage cutoff, pack high voltage cutoff, calibration (x3), lead, high voltage alarms, above average alarms, data frequency
Code: available soon
Outlay: (USD)
Batteries 5280
Panels 2162
Rails 300
BMS 156
Charge controllers 340
Inverters 1350
Cable 170
Relays 61
Mega 12
Hall sensors 48
Fuses 66
Breakers 102
Kwh meters 24
Lugs etc 13
TOTAL = $10, 802 (ballpark)
Specifications:
Current status: semi off grid
Input: 4.5kw
Storage: 10.6kwh
Output: 5800w
No load consumption: 2w
Nominal voltage: 48v
Max charge current: 75A
Charge voltage: <= 60v
Balance current: 1A
Battery life: 25 years
Equipment:
250w 24v panel x 18 (3 East, 9 North, 6 West)
200ah Lifepo4 16S
Latching relays + solid state relays
Arduino Mega
12" display
Inverter 1: Victron Phoenix 800VA
Inverter 2: MPP Solar PIP4048MS
Fangpusun 150/70 charge controller X 2
Voltage range relay (40-61v)
100A hall sensors
Changeover switch
HRC fuses
KWH meter x2
Hot water Heat Pump
BMS:
System: Arduino Mega
Voltage reading: solid state relay 2 pole optocoupler x 16
Balance method: dynamic
Balance type: passive
Discharge method: resistor
Balance current: 1000mA
Data output: serial + Bluetooth
Display: 12"
Adjustable parameters: pack low voltage cutoff, pack high voltage cutoff, calibration (x3), lead, high voltage alarms, above average alarms, data frequency
Code: available soon
Outlay: (USD)
Batteries 5280
Panels 2162
Rails 300
BMS 156
Charge controllers 340
Inverters 1350
Cable 170
Relays 61
Mega 12
Hall sensors 48
Fuses 66
Breakers 102
Kwh meters 24
Lugs etc 13
TOTAL = $10, 802 (ballpark)