Looking for 5s Board? 5S 15A 18650 Lithium Battery Protection Board is available at Zbotic with fast shipping across India.
PRODUCT DESCRIPTION
The 5S 15A 18650 Lithium Battery Protection Board is designed to monitor battery status and manage the charge/discharge process.
This unit can simultaneously connect five 18650 batteries, safeguarding them against short circuits, overcharging, and over-discharging. It also disconnects the power when a battery reaches full capacity. The BMS controller boasts a lifespan exceeding 30,000 hours and can handle a maximum current of 25A.
Should the supply voltage surpass the upper threshold, the module will switch to “protection” mode. To reset the module, one can reapply voltage to the BMS board input or wait until the module automatically deactivates the protection.
Features:
- Small size designed for a four-cell battery pack.
- Simple and convenient circuit for easy connections
- Over-charge/Over-discharge Protection.
Specification:
| Charge voltage | 21V |
|---|---|
| Charging current | 15A(max) |
| Continuous Discharge Current | 15A(max) |
| Instantaneous discharge current | 25A |
| Over-charge detect | 4.28±0.05V |
| Protect delay | 0.5s |
| Over-charge release | 4.28±0.05V |
| Over-discharge Protect | Over-discharge detect: 2.55±0.08V Over-discharge detect delay: 0.1s Release voltage: 2.9±0.1V |
| Short-circuit Protect | Protect condition: Cut load Detect delay: 250uS Release condition: Cut load |
| Over-current Protect | Detect voltage: 150mV Detect delay: 9MS Current detect: 30±3A Release condition: Cut load Inner Resistance: ≤20mΩ |
| Self-consumption | Working current: ≤30uA Sleep current: (when over-charge)≤10uA Working Temperature Range: -30-+80 |
| Length (mm): | 90.46 |
| Width (mm) | 17.30 |
| Height (mm) | 3.6 |
| Weight (gm) | 5 |
| Shipping Weight | 0.02 kg |
| Shipping Dimensions | 10 × 3 × 2 cm |
Package Includes:
1 x 5S 15A 18650 Lithium Battery Protection Board
5S 15A 18650 Lithium Battery Protection Board Overview
The 5S 15A 18650 Lithium Battery Protection Board is a battery management system designed for five 18650 cells in series. It monitors cell voltages, controls charging up to 21V, and prevents over-charge, over-discharge, and short circuits to extend pack life and ensure safe operation.
Key Features of 5S 15A 18650 Lithium Battery Protection Board
- Continuous Discharge Current: 15A to power moderate-load applications reliably.
- Instantaneous Discharge Current: Up to 25A for brief peak power demands.
- Accurate Over-Charge Protection: Detects at 4.28±0.05V per cell with a 0.5s response time.
- Low Quiescent Current: ≤30µA in normal operation and ≤10µA in sleep mode to minimize self-discharge.
- Wide Temperature Range: Operates from -30°C to +80°C, suitable for indoor and outdoor use.
- Durable BMS Controller: Rated for over 30,000 hours of service life under normal conditions.
- Fast Shipping from Zbotic: Dispatch within 24 hours with full tracking across India.
Applications and Use Cases
- DIY 5S power banks and portable chargers.
- E-bike and electric scooter battery pack assemblies.
- Home energy storage systems using 18650 modules.
- RC cars, drones, and other hobbyist projects requiring a 5-cell pack.
- LED lighting arrays powered by series lithium cells.
- Backup power solutions in small UPS setups.
How to Use 5S 15A 18650 Lithium Battery Protection Board
Connect five 18650 cells in series to the B-, B1, B2, B3, B4, and B5 terminals, then attach the pack’s positive and negative leads to P+ and P–. Hook up your charger (max 21V) and load to the same P+ and P– points. Ensure proper polarity and secure solder joints. The board will automatically balance cells, cut off charging at 4.28V per cell, and reconnect when voltage falls below the release threshold or power is reapplied.
Why Buy from Zbotic?
- Genuine Products: All items sourced from authorized distributors
- Fast Shipping: Orders ship within 24 hours with tracking (non backordered products)
- Free Shipping: Free delivery on qualifying orders
- COD Available: Cash on Delivery, UPI, cards, net banking
- Technical Support: Expert help for setup and troubleshooting
- Easy Returns: Hassle-free replacement for defective products
Frequently Asked Questions
What voltage range does this board support?
The board is designed for a 5S lithium pack, with a maximum charge voltage of 21V and cell over-charge detection at 4.28±0.05V per cell.
How does the protection reset after over-charge?
Once the pack voltage drops below the over-charge release threshold or you remove and reapply the input voltage, the protection circuit resets automatically.
Can I use this BMS in hot environments?
Yes. The board operates reliably between -30°C and +80°C, making it suitable for most indoor and outdoor applications.
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Read More →Technical Specifications
| Current Rating | 15A |
|---|---|
| Cell Configuration | 5S |
| SKU | AI2955 |
| Weight | 0.01 kg |
| Availability | Out of Stock |
Applications & Use Cases
The 5S 15A 18650 Lithium Battery Protection Board is a versatile battery protection board used across a wide range of applications including lithium battery pack protection, power bank builds, e-bike battery management, solar energy storage, and UPS systems.
Common use cases:
- Building a custom lithium battery pack
- Adding overcharge/overdischarge protection
- Creating a DIY power bank
This product is ideal for battery pack builders and power electronics engineers.
Technical Tip: BMS boards prevent overcharge, overdischarge, overcurrent, and short circuit. Match cell count (S) and max current rating to your battery pack.
Shipping & Delivery
- Free shipping on orders above ₹999 across India
- Dispatched within 1-3 business days
- Expected delivery: 3-7 business days depending on location
- Secure packaging to ensure safe transit of electronic components
