3.7V 52000mAh Rechargeable Lithium ion Battery Power Bank Cell
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The 3.7V 52000mAh Rechargeable Lithium-ion Battery Power Bank Cell is an ultra-high capacity energy solution designed to meet the demanding power needs of large-scale portable electronics and custom power bank builds. Delivering an impressive 52000mAh capacity at a stable 3.7V nominal voltage, this battery cell provides exceptionally long runtimes and reliable power delivery.
Built with advanced lithium-ion chemistry and an integrated Battery Management System (BMS), it offers comprehensive protection against overcharge, over-discharge, and short circuits, ensuring safety and longevity. Despite its high capacity, the battery maintains excellent thermal stability and low self-discharge rates, making it suitable for professional-grade power banks, backup power systems, and heavy-duty portable devices.
Its robust cylindrical design supports easy installation in larger battery pack assemblies or multi-cell configurations. This cell is ideal for applications requiring sustained power supply, such as industrial tools, outdoor equipment, and extended-use consumer electronics. With over 500 recharge cycles and a lightweight build relative to its capacity, it delivers premium energy density and efficiency.
Short Applications
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Large capacity power banks
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Portable backup power supplies
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Industrial portable devices and tools
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Outdoor and camping equipment
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High-capacity DIY battery packs
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Heavy-duty consumer electronics
Short Features
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Massive 52000mAh high-capacity lithium-ion cell
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Stable 3.7V nominal voltage output
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Integrated BMS for safety and battery health
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Low self-discharge for long shelf life
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Superior thermal stability and operational safety
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Supports fast charging and standard charging modes
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Over 500 charge/discharge cycles ensuring durability
Specifications
| Parameter | Details |
|---|---|
| Battery Type | Lithium-ion (Rechargeable) |
| Nominal Voltage | 3.7V |
| Capacity | 52000mAh |
| Cell Shape | Cylindrical |
| Diameter | ~60mm (varies based on model) |
| Length | ~130mm (varies based on model) |
| Max Charge Voltage | 4.2V |
| Discharge Cut-off Voltage | 2.75V ~ 3.0V |
| Standard Charge Current | 0.5C (~26000mA) |
| Max Discharge Current | 1.0C (~52000mA) |
| Charging Method | CC to 4.2V, then CV till cut-off |
| Cycle Life | 500+ cycles |
| Protection Circuit | Integrated BMS |
| Operating Temperature | -20°C to +60°C |
| Storage Temperature | -10°C to +45°C |
Package Includes
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1 x 3.7V 52000mAh Lithium-ion Rechargeable Battery Power Bank Cell