Voltertech Co.,Limited
| Delivery Time | 10-15 Days for Samples; 30-40 Days for Bulk Production |
| Hardware Interface | Heavy-Duty M8 Pure Copper Terminal Posts |
| Kinetic Output | 200A Continuous Discharge / 300A High-Torque Surge |
| System Voltage | 12.8V DC (Standard 12V Lead-Acid Drop-In Layout) |
| Environmental Shield | IP65 Marine-Grade Impact-Resistant Sealed Chassis |
| Supply Ability | 5000 Units per Month |
| Deployment Model | Zero-Maintenance Single-Node Configuration |
| Energy Core | 3584Wh High-Density Single-Block Capacity (12.8V 280Ah) |
| Payment Terms | L/C,T/T,Western Union |
| Protection Matrix | Advanced Solid-State Smart BMS Cell Integration |
| System Autonomy | Sustains 48-72 Hour Deep Cycle Off-Grid Demands |
| Packaging Details | Heavy-Duty Wooden Case with Protective Foam |
| Certification | MSDS , UN38.3 |
| Model Number | PB-3.6KWH-12.8V-Q-2 |
| Brand Name | Voltertech |
| Place of Origin | China |
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Product Specification
| Delivery Time | 10-15 Days for Samples; 30-40 Days for Bulk Production | Hardware Interface | Heavy-Duty M8 Pure Copper Terminal Posts |
| Kinetic Output | 200A Continuous Discharge / 300A High-Torque Surge | System Voltage | 12.8V DC (Standard 12V Lead-Acid Drop-In Layout) |
| Environmental Shield | IP65 Marine-Grade Impact-Resistant Sealed Chassis | Supply Ability | 5000 Units per Month |
| Deployment Model | Zero-Maintenance Single-Node Configuration | Energy Core | 3584Wh High-Density Single-Block Capacity (12.8V 280Ah) |
| Payment Terms | L/C,T/T,Western Union | Protection Matrix | Advanced Solid-State Smart BMS Cell Integration |
| System Autonomy | Sustains 48-72 Hour Deep Cycle Off-Grid Demands | Packaging Details | Heavy-Duty Wooden Case with Protective Foam |
| Certification | MSDS , UN38.3 | Model Number | PB-3.6KWH-12.8V-Q-2 |
| Brand Name | Voltertech | Place of Origin | China |
| High Light | MSDS Lithium Deep Cycle Battery ，IP65 Lithium Deep Cycle Battery ，12.8V 280Ah Lithium Battery | ||
12.8V 280Ah Lithium Battery with 200A Continuous and 300A Pulse Output
This 12.8V 280Ah lithium battery provides 3.584kWh of nominal LiFePO4 energy. Its current specification is divided into three separate limits: 100A continuous charging, 200A continuous discharge and 300A pulse discharge for one second.
These values serve different purposes and should not be combined. The 300A pulse rating does not mean the battery can support a 300A load continuously.
Continuous cables, M8 terminals, fuses and disconnect devices should be selected according to the expected operating current, with the 200A battery limit treated as the maximum continuous boundary.
At 12.8V, a high-power inverter may draw substantial current. The inverter’s battery-side requirement should be checked at the lowest expected operating voltage rather than only at nominal voltage.
Some pumps, compressors and motors draw a higher current during startup. The one-second 300A pulse specification may provide temporary headroom for a compatible brief event, but the inverter surge rating and cable system must also support the load.
Do Not Use Pulse Current as Cable Rating
Cable sizing should be based on continuous current and installation conditions, not only the one-second figure.
The maximum continuous charging current is 100A. Lower settings may be used when the solar array, charger or generator cannot supply the maximum value or when a slower charging strategy is preferred.
The battery operates within 10.0–14.6Vdc and uses a listed 14.0V floating-charge voltage. The charging equipment should be checked against these values.
The BMS includes overcharge, overdischarge, overcurrent, short-circuit and overtemperature protection. These protection functions help prevent operation outside the documented battery limits.
Correct inverter settings and external protection remain necessary. Frequent protective shutdowns indicate that the system configuration or load should be reviewed.
| Battery Energy | 12.8V / 280Ah / 3584Wh |
| Voltage Range | 10.0–14.6Vdc |
| Maximum Charge Current | 100A Continuous |
| Maximum Discharge Current | 200A Continuous |
| Pulse Current | 300A for 1 Second |
| Protection Functions | Overcharge / Overdischarge / Overcurrent / Short Circuit / Overtemperature |
| Terminal and Case | M8 / IP65 |
| Dimensions and Weight | 523 × 269 × 218mm / 27kg |
| Ambient Conditions | -10°C to 50°C / 0–95% Non-Condensing |
No. The 300A rating is limited to one second.
Compatibility depends on the inverter’s actual DC current, efficiency, surge demand and minimum battery voltage.
No. A lower compatible charging current may be used.
No. The battery must not be immersed, and terminal connections still require protection.
Check startup current, startup duration, inverter surge capability and the battery’s one-second pulse limit.
Preparing a high-current inverter or motor-load system?
Company Details
Business Type:
Manufacturer
Year Established:
15 Years
Total Annual:
5000000-10000000
Employee Number:
50~100
Ecer Certification：
Verified Supplier
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