DALY LifePo 4S 12V 100A Battery Management System
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The DALY LifePo 4S 12V 100A Battery Management System (BMS) is a high-quality protection and control circuit designed for 4-cell (4S) lithium batteries used in solar lighting, power tools, and other rechargeable applications.
This BMS ensures safe and efficient battery operation by providing overcharge, over-discharge, overcurrent, short circuit, and high-temperature protection. Featuring state-of-charge calculations, intelligent passive balancing, and a fully sealed waterproof casing, it is built to withstand harsh environments while maintaining long-term stability.
The DALY 4S 12V 100A BMS not only extends battery life but also guarantees safety during charging and discharging cycles. With its compact design, advanced circuit protection, and durability, this battery management system is an essential component for lithium-based energy storage solutions.
Applications
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Solar lighting systems
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Lithium battery energy storage packs
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Power tools and DIY battery projects
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Electric mobility (e-bikes, scooters, carts)
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Rechargeable battery packs requiring high current
Features
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4-cell (4S) lithium battery protection system
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Over-voltage and under-voltage protection
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Intelligent passive cell balancing (30±5 mA)
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State-of-charge monitoring
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Waterproof, dustproof, and shockproof casing
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Overcharge and over-discharge safeguard
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High current handling up to 100A
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Durable, compact, and lightweight design
Specifications
| Parameter | Value |
|---|---|
| Model Name | DALY LifePo 4S 12V 100A |
| Battery Type | Lithium (LiFePO4) |
| No. of Cells in Series | 4S (4 Cells in Series) |
| Voltage Rating | 12V |
| Current Rating | 100A |
| Charging Current | 50A |
| Working Current | 100 µA |
| Overcharge Detect Voltage | 3.75 ± 0.05 V |
| Overcharge Release Voltage | 3.55 ± 0.05 V |
| Balance Detect Voltage | 3.5 V |
| Balance Current | 30 ± 5 mA |
| Operating Temperature | -20°C to 70°C |
| Dimensions (L x W x H) | 165 x 65 x 24 mm |
| Weight | 0.452 kg |
| Shipping Dimensions | 23 × 13 × 4 cm |
| Color | Red |
Package Includes
1 x DALY LifePo4 4S 12V 100A Battery Management System