Suntherra Battery
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Compatible with various inverter brands, including Growatt, Luxpower, Solis, Socolar, Victrons, Deye.
Support max 64pcs in parallel, which is equals to 48v 6400ah, meeting all different house demands.
Features 99% Operating Efficiency vs 80% for AGM batteries. An equivalence of adding 20% additional solar panels to your current system.
A+++ Cells with 6000 cycles 80%DOD, offering 15 years of use even if deep discharged every day.
Plug and play, providing all installing material, easy and quick setup.
All cells are bolted together with heavy plates and ABS holder for reliable internal connections.
RS485 and CAN on front panel with RJ45 port for seamless integration.
Premium Home Solar Energy Storage Options
| MODEL | 4850R | 48100R | 48200R |
|---|---|---|---|
| ELECTRICAL SPECIFICATIONS | |||
| Cell Type - Chemistry | LiFePO4 | LiFePO4 | LiFePO4 |
| Rated Capacity | 50Ah | 100Ah | 200Ah |
| Rated Voltage | 51.2V | 51.2V | 51.2V |
| Energy | 2.56kWh | 5.12kWh | 10.24kWh |
| MECHANICAL SPECIFICATIONS | |||
| Dimensions (L x W x H) | 442*410*133mm | 442*435*155mm | 442*820*155mm |
| Weight | 28Kg | 48Kg | 82Kg |
| DISCHARGE SPECIFICATIONS | |||
| Discharge Cut-off Voltage | 40V | 40V | 40V |
| Max Continuous Discharging Current | 50A | 100A | 150A |
| Recommended Discharge Current | 25A | 50A | 100A |
| CHARGE SPECIFICATIONS | |||
| Charging Limited Voltage | 57.6V | 57.6V | 57.6V |
| Max Charging Current | 50A | 100A | 150A |
| Recommended Charge Current | 25A | 50A | 100A |
| ENVIRONMENTAL SPECIFICATIONS | |||
| Working Temperature Range | Charge: 0~45ºC | Discharge: -20~60ºC | ||
| Recommended Operating Temperature | 15~35ºC | ||
| Recommended Storage Temp & Humidity | 15~35ºC, 45~75%RH | ||
Support from 48V 50Ah to 48V 3200Ah to meet various domestic electricity loads
How to connect batteries with the inverter and MPPT
Engineered for superior reliability, safety, and lifespan
| Key Features | Our Optimized Battery Pack Design | Other Common Market Brands |
|---|---|---|
| Plastic holder | 1. Customized plastic holder between each cell for optimal insulation. Eradicates installation risks and prevents direct contact. | No holder between cells; insulation issues pose significant long-term risks. |
| Top extension | 2. Shock extension at the top of the bracket. In case of drops or vibrations, it cushions the cells from direct impact. | Metal top extension in some models, or missing entirely, risking structural failure. |
| Explosion-proof valve | 3. Clear, unblocked valve ensures the physical structure safety of the cell under operational pressure. | Blocked explosion-proof valves, failing cell safety using requirements. |
| BMS Protection | 4. Protected BMS under a robust metal cover, preventing damage from outer shocks. | Exposed BMS boards without covers, prone to mechanical damage. |
| Laser welding + Screws | 5. Dual reinforcement connection combining screws with laser welding. Fully prevents loosening while minimizing internal resistance for higher power throughput. | Messy manual welding or pure screw connections, presenting cable degradation risks. |
| Cable Arrangement | 6. Orderly alignment of cables, drastically minimizing risks of loose contacts, open circuits, or short-circuit failures. | Unstandardized, messy layouts where cables run over busbars haphazardly. |
Leading custom-made lithium battery solutions
10+ years to sharpen a sword.
Professional customization is our singular focus.
Since 2011, the factory has specialized in comprehensive, one-stop custom manufacturing of highly reliable lithium products, covering electric vehicle batteries, smart home backup banks, high-end electric motorcycle batteries, and industrial energy storage units.
Equipped with more than 30 battery cell types, we successfully engineer custom OEM battery configurations ranging from 12V to 800V and capacities of 10Ah to 200Ah. These configurations are deployed in electric vehicles, e-bikes, UPS systems, communication towers, golf carts, forklifts, and industrial utility vehicles.
Our processes adhere strictly to continuous, tech-driven quality improvement. By introducing advanced, automated equipment from Germany and South Korea, our systems consistently meet international testing benchmarks. Our facilities operate strictly under ISO 9001, ISO 14001, and OHSAS 18001 standards.
We invite customized demands worldwide to jointly accelerate global green, eco-friendly renewable energy transitions.
Safe, certified delivery for heavy-duty batteries
Highly recognized reliability worldwide
Find answers to common product inquiries
Our lithium battery packs are engineered with highly compatible protocols, working seamlessly with major global brands including Growatt, Luxpower, Solis, Socolar, Victrons, Deye, and more.
The system natively supports parallel scalability for up to 64 battery units in a single configuration. This allows you to expand capacity up to 48V 6400Ah to meet heavy residential or commercial load demands.
These LiFePO4 batteries deliver an outstanding 99% operating efficiency compared to only 80% typical of lead-acid/AGM alternatives. This is effectively the equivalent of adding 20% more solar panels to your existing array.
We incorporate 5 exclusive safety designs: custom plastic holders for robust cell insulation, top bracket extensions to absorb drop shocks, an unblocked physical safety valve, a secure metal cover over the BMS circuit, and hybrid laser-welded screw connectors to completely avoid detachment while keeping internal resistance low.
Absolutely. Our battery units are fully certified with MSDS and UN38.3 test paperwork. They are securely packed in hard cartons with integrated protective foam molds to satisfy all worldwide logistics and customs requirements.
Utilizing top-grade A+++ LiFePO4 cell elements, the batteries offer 6000 complete cycles at 80% DOD (Depth of Discharge). This translates directly into a dependable service life of up to 15 years, even under daily deep-discharge cycles.
