48V / 51.2V Rack Mount LiFePO4 Battery for Telecom & Solar Energy Storage
Model : BW48100-3U,BW48200-4U,BW51100-3U,BW51200-4U
Standard 19-inch modular battery system for telecom towers, solar ESS cabinets, and UPS backup applications.
Key specs
- Voltage: 48V / 51.2V
- Capacity: 100Ah / 200Ah
- Energy: 5kWh / 10kWh
- Cycle life: 6000+
- Communication: CAN / RS485
- Installation: 19-inch rack (3U / 4U)
Where is this battery used?
- Telecom towers
- Solar energy systems
- UPS backup systems
- Starlink / communication sites
- Industrial power systems
Which battery do you need?
Based on load:
| Load Type | Typical Use | Recommended Battery |
|---|---|---|
| Light (100–300W) | Starlink / CCTV | 48V 100Ah |
| Medium (300–800W) | Telecom BTS | 48V 200Ah |
| Heavy (1kW+) | Hybrid Solar | 51.2V 200Ah |
Key Features
- Modular expansion for large systems
- Seamless inverter compatibility
- Easy rack installation in telecom cabinets
- Stable DC output for critical loads
- Supports parallel system design
Technical Specification
| MODEL | BW48100-3U | BW48200-4U | BW51100-3U | BW51200-4U |
|---|---|---|---|---|
| Electrical Characteristics | ||||
| Rate valtage(Vdc) | 48 | 51.2 | ||
| Cell combination | 15S1P | 15S2P | 16S1P | 16S2P |
| Rate capacity(AH) | 100 | 200 | 100 | 200 |
| Energy storage(KWH) | 4.8 | 9.6 | 5.12 | 10.24 |
| Cycle life | 25±2°C,0.5C/0.5C,EOL70%≥6000 | |||
| Charge/Discharge Standard | ||||
| Charge voltage(V) | 52.5 | 56.0 | ||
| Max.charge current(A) | 100 (Optional 150/200A for 200AH pack) | |||
| Max.discharge current(A) | 100 (Optional 150/200A for 200AH pack) | |||
| Discharge cut-off voltage(VDC) | 40.5 | 43.2 | ||
| Charge cut-off voltage(VDC) | 54.8 | 58.4 | ||
| Enviornment | ||||
| Charge temperature | 0°C ~ 50°C@60 ± 25% Relative Humidity | |||
| Discharge temperature | -20°C ~ 50°C@60 ± 25% Relative Humidity | |||
| Storage temperature | -20°C ~ 50°C@60 ± 25% Relative Humidity | |||
| Mechanical | ||||
| IP class | IP20 | |||
| Material system | LiFePO4 | |||
| Case material | Metal | |||
| Case type | Rack Mount | |||
| Product dimension L*W*H(mm) | 480*442*133 (3U) | 680*442*178 (4U) | 480*442*133 (3U) | 680*442*178 (4U) |
| Package dimension L*W*H(mm) | 580*530*210 | 820*625*310 | 580*530*210 | 820*625*310 |
| Net weight(kg) | 42 | 84 | 44 | 88 |
| Gross weight(kg) | 47 | 93 | 49 | 97 |
| Communication | ||||
| Protocol(Optional) | CAN/ RS485/ RS232 | |||
| Certificates | ||||
| Pack | UN38.3, MSDS | UN38.3, MSDS, IEC62619, CE-EMC, UL1973 | ||
| Cell | UN38.3, MSDS, IEC62619, CE, UL1973, UL2054 | |||
Designed for Real Telecom & Solar Conditions
Unlike residential batteries, this system is designed for:
- Outdoor telecom cabinets
- High humidity environments
- Continuous 24/7 operation
- Hybrid solar systems
- Remote communication infrastructure
TELECOM DEPLOYMENT EXAMPLES
- NOT a full system builder — just real-world proof.
Telecom BTS Example
- Load: 300–800W
- System: 48V 200Ah rack battery
- Runtime: 12–24h
- Installed in telecom cabinet
Solar Hybrid Example
- 5kW inverter system
- 10kWh battery storage
- Off-grid operation
Solar Hybrid System with Storage Battery
Why EPC Contractors Prefer This Model
- Standard rack format = easy integration
- Compatible with major inverter brands
- Reduces installation time
- Scalable for multi-site projects
- Proven telecom deployment experience
Compatible Inverter Systems
- Deye
- Growatt
- Victron
- Solis
- SRNE
- GOODWE,etc
Communication
- CAN
- RS485
Frequently Asked Questions
Yes, it is designed for BTS and telecom backup systems.
https://suns-power.com/is-lithium-battery-safe-for-solar-ess/
Yes, when installed in IP-rated telecom or ESS cabinets.
https://suns-power.com/c5-corrosion-protection-outdoor-ess-containers/
Yes, parallel expansion is supported for larger systems.
https://suns-power.com/how-to-connect-lithium-ion-batteries/
6000+ cycles under standard operating conditions.
🌿Need a Reliable Rack Battery for Your Project?
Send us:
- Load requirement
- Backup time
- Application type
- We will recommend the right configuration.






