![](http://cubesatnano.ru/wp-content/uploads/2021/04/P31U.png)
NanoPower P31u
Electrical Power Supply system for small nanosatellites
Main Features
Optimal for 1U and 2U platforms
Battery voltage 8V
20 Wh battery onboard
Photovoltaic power conversion up to 30 W
ISS launch compliant version available
Key functionality
3 input channels with independent power point setting
Three different photovoltaic power point options
Battery under-voltage and over-voltage protection
Two regulated power buses
6 user-controlled output switches w. latching current limiter
Discrete control of output switches
Onboard housekeeping measurements
Interface to battery board NanoPower BP4 and BPX
Separation-switch interface with latching mechanism
Remove-Before-Flight-pin interface
Onboard lithium ion battery pack
Onboard microcontroller with I2C interface
CSP network protocol for seamless integration with other GomSpace products
![](http://cubesatnano.ru/wp-content/uploads/2021/04/3U-1.png)
3U Powerpack
Complete power system for 3U-nanosatellite
The 3U Power Pack includes a power supply, battery pack and full solar panel set for a 3U nanosatellite:
1 NanoPower P31uS
1 NanoPower BP4
1 NanoPower P110UA
1 NanoPower P110UB
1 NanoPower P110UC
1 NanoPower P110A
1 NanoPower P110B
1 NanoPower P110C
4 NanoPower P110AS
4 NanoPower P110BS
Power Harness
Main features:
Photovoltaic power up to 60 W
Two regulated power buses: 3.3V@5A and 5V@4A
Up to six 3.3V@3A outputs
Up to six 5V@3A outputs
Battery capacity: 2600-5200 mAh
![](http://cubesatnano.ru/wp-content/uploads/2021/04/BP4.png)
NanoPower BP4
Small and powerful battery module for CubeSats
Feautures :
18650 Li-Ion cells with a nominal capacity of 2600 mAh
Two configurations are available:
2P-2S: 6 - 8.4 V & 5.2 Ah
1P-4S: 12 - 16.8 V & 2.6 Ah
Integrated temperature sensors with digital interface
Battery heater
Auxiliary MOSFET switch (e.g. to drive thermal knives for deployables)
Stackable for increased capacity
Fits standard PC104
ISS launch compliant version availabl
![](http://cubesatnano.ru/wp-content/uploads/2021/04/EPS-I.png)
EPS I
Flight-proven Electric Power System (EPS)
Feautures :
Input Channels - 3 (one for each CubeSat axis)
Input Voltage (Per Solar Panel Channel) - up to 5.5 V
Input Current (Per Solar Panel Channel) - up to 1.8 A
Six Connectors For - the solar panels
Integrated Blocking Diode For Each - solar panel connector
Battery Pack Power - 10.2 Wh (20.4 Wh with EPS I Plus)
Battery Pack Voltage - 3.7 V nominal
Mass - 208 g
Stackable Battery Packs - up to 8 A
Output Power Buses - 3.3 V, 5 V, BCR (5 V max) and Battery raw
Interfaces - UART, I2C, USB-C
Switches - Two deployment and one Remove Before Flight (RBF)
Control - Six general purpose outputs for shutdown/reset of external modules
Interfaces - UART, I2C, USB
![](http://cubesatnano.ru/wp-content/uploads/2021/04/BPX.png)
NanoPower BPX
High capacity lithium-ion battery pack with a heater for CubeSats
Feautures :
Lithium-ion battery pack for space applications
Utilizes 18650 Li-Ion cells with a nomical cell capacity of 2600 mAh
77 Wh capacity
3 different battery configurations:
2S-4P: 6 - 8.4 V & 10.4 Ah
4S-2P: 12 - 16.8 V & 5.2 Ah
8S-1P: 24 - 33.6 V & 2.6 Ah
Expandable: Any number of BPX packs can be coupled in parallel or serial
Can be configured for nominal voltage ranging up to 29.6 V
Provides telemetry over I2C (CSP protocol) - voltage, current and temperature
Autonomous heater system
Fits standard PC104
![](http://cubesatnano.ru/wp-content/uploads/2021/04/EPS-I-Plus-2.png)
EPS I PLUS
Flight-proven Electric Power System (EPS)
Feautures :
Input Channels - 3 (one for each CubeSat axis)
Input Voltage (Per Solar Panel Channel) - up to 5.5 V
Input Current (Per Solar Panel Channel) - up to 1.8 A
Integrated Blocking Diode - for each solar panel connector
Battery Pack Power - 20.4 Wh (10.2 Wh with EPS I)
Battery Pack Voltage - 3.7 V nominal
Mass - 298 g
Stackable Battery Packs - up to 8 A
Output Power Buses - 3.3 V, 5 V, BCR (5 V max) and Battery raw
Interfaces - UART, I2C, USB-C
Switches - Two deployment and one Remove Before Flight (RBF)
Control - Six general purpose outputs for shutdown/reset of external modules
Interfaces - UART, I2C, USB
![](http://cubesatnano.ru/wp-content/uploads/2021/04/E2-2.png)
EPS II + аккумуляторная батарея
The next generation of NanoSat and MicroSat Electric Power System (EPS)
Feautures :
Input Channels - 3 per battery pack
Redundancy - Fully redundant Solar Panel connectors
Input Voltage (Per Solar Panel Channel) - 10 to 36 V
Input Current (Per Solar Panel Channel) - up to 4 A
Stackable Battery Packs - up to 4 packs for a maximum power of 1 kW
Current Limitation - Configurable both for input and output channels
Integrated Blocking Diode - for each solar panel connector
Charge/Discharge Mode Voltage And Heater Thresholds - configurable
Standard Battery Pack Capacity - 80.4 Wh
Standard Battery Pack Voltage - 35.1 V
Mass (EPS + Battery Pack) - 1280 g
Output Power Buses - 2x3.3 V, 2x5 V, 1xProgrammable (6-12 V) and Battery raw
Switches - Deployment and Remove Before Flight (RBF)
Interfaces - RS-485, USB