Model |
GSL-R20K |
GSL-R25K |
GSL-R30K |
GSL-R35K |
GSL-R40K |
GSL-R45K |
GSL-R50K |
GSL-R55K |
GSL-R60K |
Nominal Capacity(kWh) |
20.48 |
25.6 |
30.72 |
35.84 |
40.96 |
46.08 |
51.2 |
56.32 |
61.44 |
Cell Matching |
64S1P |
80S1P |
96S1P |
112S1P |
128S1P |
144S1P |
160S1P |
176S1P |
192S1P |
Nominal Voltage (V) |
204.8 |
256 |
307.2 |
358.4 |
409.6 |
460.8 |
512 |
563.2 |
614.4 |
Working Voltage Range (V) |
179.2-230.4 |
224-288 |
268.8-345.6 |
313.6-403.2 |
358.4-460.8 |
403.2-518.4 |
448-576 |
492.8-633.6 |
537.6-691.2 |
Weight (kg) |
201.4 |
268 |
309.6 |
351.2 |
392.8 |
434.4 |
499 |
540.6 |
582.2 |
Dimension (WxDxH mm) |
553*503*1011 |
553*503*1620 |
553*503*1620 |
553*503*1620 |
553*503*1620 |
553*503*2230 |
553*503*2230 |
553*503*2230 |
553*503*2230 |
Battery Type |
LFP(LiFePO4) |
Nominal Working Current |
100A |
Communication Port |
CAN//TCP/IP |
Working Temperature Range |
Charge:0-55°C/Discharge:-20-60°C |
Waterproof |
IP20 |
Installation Method |
Floor-standing |
Cycle Life |
6500 |
Warranty Period |
10 years |
Peak Charge/Discharge Current (@25°C,5S) |
125A |
Discharge Rate of Module |
≤3.5%/month/@25°C |
Parallel Connection |
5 units in parallel |
If the size and parameters of the product are changed, the latest information will prevail without further notice. |

Why Choose GSL ENERGY's Telecom Battery Solution?
Whether you're powering a modern smart home or a remote telecom tower, GSL ENERGY delivers a high-voltage, modular energy storage system designed for flexibility, performance, and safety.
Multi-Purpose Use
Perfectly suited for residential solar systems, telecom tower backup, off-grid applications, and remote base stations. The same system can be flexibly adapted across industries.
Intelligent BMS Control
Our advanced Battery Management System (BMS) offers precise monitoring and control of each battery module. It enhances safety, balances charging/discharging, and prolongs battery life.
Compact & Modular Design
The system is built around stackable 5.12kWh LiFePO4 modules. From 20kWh to 60kWh, the cabinet allows scalable energy storage depending on project size, saving installation space and cost.
Globally Certified & Reliable
Certified with UL1973, CEI 0-21, CE, UN38.3, and MSDS, ensuring complete compliance with global safety and performance standards.
Future-Proof with On-Demand Expansion
Simply add more modules to expand capacity, no need for replacing the entire unit — a truly future-proof energy solution.
Your Trusted Telecom Battery Manufacturer & Supplier
GSL ENERGY is a global telecom battery manufacturer with over a decade of experience in high-performance LiFePO4 battery systems. We serve leading telecom battery suppliers, EPC contractors, and solar solution integrators across 90+ countries.
OEM / ODM Customization
Rack Battery Solutions for Telecom & Commercial Use
High-Voltage ESS Design for Renewable Energy Projects
Certified Safety and Long Life Performance
As a trusted supplier to global telecom operators, we ensure fast delivery, local support, and flexible solutions for on-grid and off-grid scenarios alike.
Ready to Upgrade Your Energy Storage System?
Whether you’re a solar installer, telecom infrastructure provider, or renewable energy distributor, GSL ENERGY provides reliable, cost-effective telecom battery and residential ESS solutions tailored to your needs.