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BMS LFP 4S 6A (SLCT) Battery Protection Board for 12.8V LiFePO₄ Battery Pack

₹105.00 (inc. GST)
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Designed for 4S (4 Cell) LiFePO₄ Battery Packs
Supports 12.8V Nominal / 14.6V Fully Charged Battery Packs
6A Continuous Current Rating
Up to 8A Peak Current (Short Duration)
Overcharge Protection
Over-discharge Protection

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SKU: RY1461 Categories: Batteries and Accessories, Batteries BMS and Accessories

Description

Product Description

The BMS LFP 4S 6A (SLCT) is a compact and dependable Battery Management System (BMS) designed specifically for 4S LiFePO₄ (Lithium Iron Phosphate) battery packs. Supporting a 12.8V nominal battery pack and 6A continuous discharge current, this protection board safeguards your battery against overcharging, over-discharging, overcurrent, and short circuits, ensuring safe and reliable operation.

Designed with a slim PCB layout, the module is ideal for compact battery enclosures and portable power applications. Clearly labeled solder pads allow for easy installation, making it suitable for DIY battery builders, electronics enthusiasts, and industrial battery pack manufacturers.

Whether you’re building a solar lighting system, portable UPS, robotics project, or custom LiFePO₄ battery pack, this BMS delivers dependable battery protection while maximizing battery life.

Key Features

Designed for 4S (4 Cell) LiFePO₄ Battery Packs
Supports 12.8V Nominal / 14.6V Fully Charged Battery Packs
6A Continuous Current Rating
Up to 8A Peak Current (Short Duration)
Overcharge Protection
Over-discharge Protection
Overcurrent Protection with Auto Recovery
Short Circuit Protection
Compact & Lightweight PCB Design
Easy-to-Use Solder Pad Connections
Compatible with 18650, Prismatic, and Pouch LiFePO₄ Cells

Technical Specifications

Parameter	Specification
Model	BMS LFP 4S 6A (SLCT)
Battery Chemistry	LiFePO₄ (Lithium Iron Phosphate)
Battery Configuration	4S (4 Cells in Series)
Nominal Battery Voltage	12.8V
Maximum Charging Voltage	14.6V
Continuous Current	6A
Peak Current	Up to 8A (Short Duration)
Overcharge Protection	3.75V ± 0.05V per Cell
Over-discharge Protection	2.0V ± 0.05V per Cell
Overcurrent Protection	Yes (Auto Recovery)
Short Circuit Protection	Yes
Cell Balancing	Not Available
PCB Dimensions	Approx. 50 × 12 mm
Connection Type	Solder Pads (B-, B1, B2, B3, B4, P-)
Weight	Less than 6g

Protection Features

✔ Overcharge Protection

Protects each LiFePO₄ cell from exceeding the safe charging voltage, helping extend battery lifespan.

✔ Over-discharge Protection

Disconnects the battery before deep discharge can permanently damage the cells.

✔ Overcurrent Protection

Automatically disconnects the load during excessive current conditions and restores operation after the fault is removed.

✔ Short Circuit Protection

Instantly cuts off output in case of accidental short circuits to protect both the battery pack and connected equipment.

Applications

The 4S 6A LiFePO₄ BMS is suitable for a wide range of battery-powered applications, including:

Solar LED Lighting Systems
DIY LiFePO₄ Battery Packs
Portable UPS Systems
Power Banks
Fishing Lamps
Emergency Lighting
Rechargeable Lanterns
Robotics Projects
IoT & Embedded Systems
Small Electric Mobility Devices
Industrial Battery Backup Solutions

Connection Terminals

B- – Battery Negative
B1 – Cell 1 Positive
B2 – Cell 2 Positive
B3 – Cell 3 Positive
B4 – Battery Positive
P- – Charge/Discharge Negative

Note: Ensure correct wiring sequence before connecting the battery pack. Incorrect connections may permanently damage the BMS.

Package Includes

1 × BMS LFP 4S 6A (SLCT) Protection Board

Why Choose This 4S LiFePO₄ BMS?

Specifically optimized for 4S 12.8V LiFePO₄ battery packs
Multiple built-in protection mechanisms for enhanced safety
Compact, lightweight, and easy to integrate
Reliable performance with low power consumption
Suitable for DIY, commercial, and industrial battery pack assembly
Ideal for 18650 LiFePO₄, pouch, and prismatic cells

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Return & Refund

Refund and Returns Policy

Our refund and returns policy lasts 10 days from the date of delivery. If 10 days have passed since your purchase, we can’t offer you a full refund or exchange.

To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.

Several types of goods are exempt from being returned.

Gift cards
Downloadable software products

To complete your return, we require a receipt or proof of purchase.

Please do not send your purchase back to the manufacturer.

Partial Refund

There are certain situations where only partial refunds are granted (if applicable)
- Any item not in its original condition, is damaged or missing parts for reasons not due to our error.
- Any item that is returned more than 10 days after delivery

Refunds

Once your return is received and inspected, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund.

If you are approved, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within a certain amount of days.

Late or missing refunds

If you haven’t received a refund yet, first check your bank account again.

Then contact your credit card company, it may take some time before your refund is officially posted.

Next contact your bank. There is often some processing time before a refund is posted.

If you’ve done all of this and you still have not received your refund yet, please contact us at [email protected].

Late or missing refunds (if applicable)

Once refund is initiated you will get the refund initiated mail. after that wait for minimum 3 days.
Then contact your credit card company, it may take some time before your refund is officially posted.
Next, contact your bank. There is often some processing time before a refund is posted.
If you’ve done all of this and you still have not received your refund yet, please contact us at [email protected]

Sale Items

Only regular priced items may be refunded. Sale items cannot be refunded.

Exchanges

We only replace items if they are defective or damaged(during shipping) please take the photo if package is tempered or damage at the time of receiving goods . If you need to exchange it for the same item, send us an email at [email protected] and send your item to: M/S Rytronics Enterprises, Plot GH-05B Greater noida west Sector, 201306 (UP).

Shipping returns

To return your product, you should mail your product to: M/S Rytronics Enterprises, Plot GH-05B, Greater noida west Sector, 201306 (UP).

You will be responsible for paying for your own shipping costs for returning your item. Shipping costs are non-refundable. If you receive a refund, the cost of return shipping will be deducted from your refund.

Depending on where you live, the time it may take for your exchanged product to reach you may vary.

If you are returning more items value more then Rs 2000, you may consider using a trackable shipping service or purchasing shipping insurance. We don’t guarantee that we will receive your returned item.