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High-Performance 51.2V Rack-Mount Battery Pack
Maximize your energy independence and system reliability with our premium 51.2V Rack-Mount Battery series. Engineered specifically for seamless integration into standard server racks, this lithium iron phosphate rack battery solution is designed to deliver exceptional thermal stability, an extended operational lifespan, and unmatched safety for modern solar energy storage systems, telecom backup setups, and commercial micro-grids.
Whether you are configuring a compact residential backup power solution or scaling up a commercial BESS, our rack-mounted lithium battery lineup offers the precise energy density and scalable configuration your projects demand.
Features
- The BMS is designed for 8~16 series lithium battery;
- Capable of multiple protection functions;
- Equipped with lithium battery BMS communication function;
- It has standard communication interfaces for RS232, RS485, CAN, and dial-up address selection.
Technical Parameters
| Battery Pack Specification | ||||
| Combination method | 3.2V 100Ah Cell-16S1P | 3.2V 208Ah Cell-16S1P | 3.2V 280Ah Cell-16S1P | |
| Rated Capacity | Typical | 100Ah | 200Ah | 300Ah |
| Minimum | 100Ah | 200Ah | 300Ah | |
| Factory Voltage | 51.2V-53V | 51.2V-53V | 51.2V-53V | |
| Voltage at end of Discharge | 40V | |||
| Charging Voltage | 58.4V | |||
| Internal Impedance | ≤13mΩ | |||
| Standard charge | Constant Current | 50A | 50A | 50A |
| Constant Voltage | 58.4V | |||
| Cut-Off | 0.02C A | |||
| Charge Time | Approx 2h | |||
| Limiting current | 10A | |||
| Standard discharge | Constant current | 50A | 50A | 50A |
| End voltage | 40V | |||
| Maximum Continuous Charge Current | 100A | 200A | 200A | |
| Maximum Continuous Discharge Current | 100A | 200A | 200A | |
| Weight | 40±3Kg | 79.5±3Kg | 113±3Kg | |
| Cycle life | ≥6000 times | |||
| BMS Protect Parameter | ||||
| Cell overcharge protection | Overcharge detection voltage | 3.65±0.025V | ||
| Overcharge detection delay time | Typical: 1.0s | |||
| Overcharge release voltage | 3.45±0.02V | |||
| Overcharge release conditions | 1. The monomer voltage drops to the overcharge recovery point. 2. The remaining capacity is 96% lower than the intermittent power supply capacityTwo conditions must be met in order to resume | |||
| Battery discharge current ≥1A detected | ||||
| Cell over-discharge protection | Over-discharge detection voltage | 2.6±0.02V | ||
| Over-discharge detection delay time | Typical: 2.0s | |||
| Over-discharge release conditions | 2.95±0.02V | |||
| Battery charge current ≥1A detected | ||||
Broad Inverter Compatibility & Versatile Applications
Our 51.2V hardware platform is configured to talk seamlessly with the industry's leading inverter communications protocols. Whether paired with our proprietary low-power hybrid units or mainstream tier-1 commercial inverters, installation is straightforward plug-and-play.
Solar Energy Storage Battery Racks: Seamless matching with residential and light commercial grid-tied or off-grid solar arrays.
Telecom Backup Systems: Reliable DC power security for data servers, cellular towers, and IT infrastructure.
Commercial BESS Integration: Smooth scaling for peak shaving, demand management, and reactive power compensation setups.
FAQ
Q: How does the BMS manage the automatic recovery logic after a discharge over-current trip?
A: When the discharge current exceeds the safe limit (110A for the 100Ah pack; 210A for the 200Ah/300Ah packs), the BMS registers the anomaly and trips the circuit after exactly 1 second to safeguard the internal cells.
Q: Can these rack-mount units be connected in series to achieve a higher voltage system, such as 102.4V or higher?
A: No, these specific models are strictly engineered for low-voltage (LV) parallel expansion to increase total Ah capacity (e.g., scaling a 51.2V system up to hundreds of kWh).
Q: What is the maximum number of modules that can be safely connected in parallel?
A: Our standard BMS hardware supports the parallel communication and synchronization of up to 15 modules without requiring an external controller or hub.
Q: Does this battery require external active heating or ventilation when operating at its lowest discharge threshold (-20°C)?
A: While the battery is legally rated to safely discharge down to -20°C for remote telecom or off-grid winter setups, the internal impedance will naturally rise in sub-zero environments, which slightly reduces the temporary usable capacity.
Q: What specific international compliance certificates and safety test reports do you provide for customs clearance?
A: As an export-oriented manufacturer, all our lithium battery systems are fully certified for international transport and installation. We supply a comprehensive compliance pack with every order, which includes the UN38.3 test report, a certified MSDS (Material Safety Data Sheet), and CE compliance documentation.
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