Description
BAK 1S 3.7V 35000mAh (35Ah) 1S7P 3C Lithium-Ion Rechargeable Battery Pack
The BAK 1S 3.7V 35000mAh Lithium-Ion Battery Pack is a high-capacity rechargeable battery pack designed for applications requiring a compact, single-cell voltage configuration with substantial energy storage. Built using seven BAK lithium-ion cells connected in parallel (1S7P), it provides a capacity of 35Ah.
This battery pack is suitable for portable equipment, backup power systems, custom electronics, and specialized DC applications. Its actual discharge capability depends on the selected cell model, interconnections, and thermal conditions.
Key Features
Genuine BAK lithium-ion cell configuration, subject to cell verification
High capacity of 35000mAh (35Ah)
1S7P parallel configuration
Rechargeable lithium-ion chemistry
3C discharge capability, subject to cell and assembly ratings
Suitable for custom battery-powered equipment
Custom wiring and connectors can be specified
Battery Configuration
Series: 1S
Parallel: 7P
Total Cells: 7
Capacity: 35Ah, assuming seven 5Ah cells
Nominal Energy: Approximately 126–129.5Wh, depending on the cell’s rated nominal voltage
Maximum Charging Voltage: 4.2V
Discharge Performance
At a theoretical 3C rate:
35Ah × 3C = 105A
This is a calculated value, not a guaranteed continuous output. The cells, busbars, wires, connectors, and protection circuit must all support the intended current. A suitable 1S lithium-ion protection circuit or BMS should be used where required.
Charging Requirements
Use a charger specifically designed for a 1S lithium-ion battery, with a maximum charging voltage of 4.2V. Do not use a LiFePO₄ charger or connect the pack to equipment without confirming voltage and current compatibility.
Applications
Portable DC power systems
Custom electronic equipment
Backup power applications
Specialized battery-powered devices
Robotics and embedded systems
Custom battery pack development
Package Includes
1 × BAK 1S 3.7V 35000mAh Lithium-Ion Battery Pack
Protection circuit, wires, connectors, and enclosure only as specified in the final configuration
