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UG LAND INDIA

3S 100A BMS PCB 11.1V 12.6V Li-ion Lithium ion 3 cell 18650 Battery Protection Board

3S 100A BMS PCB 11.1V 12.6V Li-ion Lithium ion 3 cell 18650 Battery Protection Board

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Parameter Specification
Battery Configuration 3 Series (3S) Li-ion / LiPo Cells (18650 compatible)
Nominal Voltage 11.1V (3 × 3.7V cells)
Fully Charged Voltage 12.6V (3 × 4.2V cells)
Maximum Continuous Current 100A
Peak Current Typically 120A (short duration, varies by model)
Charge Cut-off Voltage 4.2V ± 0.05V per cell
Discharge Cut-off Voltage ~2.5V – 3.0V per cell (varies, typically 2.7V recommended)
Balance Current Typically 100mA – 150mA per cell
Operating Temperature Charge: 0°C to 45°C; Discharge: -20°C to 60°C
Protection Features Overcharge, over-discharge, over-current, short circuit protection, cell balancing
Dimensions Varies by manufacturer, typically around 60mm x 40mm
Connection Type Spot welding pads or solder pads for battery and load wiring
Communication Interface Usually none (passive BMS), some advanced models may have UART or I2C
Weight Approx. 10-20 grams

 

Feature:

  • Battery Configuration: Supports 3-series (3S) lithium-ion cells (3 x 3.7V nominal, 12.6V fully charged).

  • High Current Rating: Continuous discharge current up to 100A, suitable for high-power applications.

  • Overcharge Protection: Prevents cells from charging beyond safe voltage limits to extend battery life.

  • Over-discharge Protection: Stops discharge when cells reach a minimum voltage to prevent damage.

  • Overcurrent / Short Circuit Protection: Protects against excessive current draw and short circuits for safety.

  • Balance Charging Function: Balances the voltage of each cell during charging to maintain battery health and performance.

  • Temperature Protection: Monitors battery temperature to avoid overheating during charge/discharge.

  • Low Quiescent Current: Minimal self-discharge current to maximize battery standby time.

  • Compact and Durable PCB: Designed for robust mechanical and electrical performance in battery packs.

  • Wide Operating Voltage Range: Typically 9V to 13V (depending on battery state).

  • Suitable for 18650 Lithium-ion Cells: Commonly used in electric bikes, scooters, power tools, and DIY battery packs.

Drscription:

This 3S 100A Battery Management System (BMS) PCB is designed for protecting and managing lithium-ion (Li-ion) or lithium-polymer (LiPo) battery packs composed of three cells in series (3S), typically with nominal voltage of 11.1V and full charge voltage of 12.6V. It is ideal for high current applications requiring reliable battery protection and safe operation.

The BMS monitors each cell individually to prevent overcharging, over-discharging, over-current, short circuits, and balancing issues, ensuring longevity and safety of your 3-cell 18650 battery pack. With a high continuous current rating of 100A, this BMS is suitable for demanding devices like electric bikes, scooters, power tools, and other high-power battery-operated equipment.

Compact and robust, the board features multiple safety protections and precise cell voltage monitoring to maintain battery health while allowing efficient power delivery. It supports balanced charging and discharging, preventing cell imbalance that could reduce battery capacity or cause damage.

Shipping & Returns

Return Policy According

• Order can be return within 10 days from date of delivery.

• Order return request cannot be accepted after 10 days from date of delivery.
• Return request window are available for only 10 days.
• After 10 days return window will closed and we cannot accepted any request.
• Customer will sent the order to seller by any courier.
• Customer will paid own of courier charges to seller warehouse.
             

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• Note : Take photo and upload. Condition of product. Enter Correct Name, Mobile, Email, Order id / Invoice number (any one ) you can enter. Select Payment mode

Cash On Delivery / Prepaid .
• After Submit Return Request within 12 - 24 hour receive (RMT) Return Merchant Ticket number to your registered mobile number and email id.
• When you receive (RMT) Return Merchant Ticket number then ship your return to our warehouse address by any courier.
• We will initiate refund after delivered your return order to our warehouse.
• For any query please call our helpline number +91-9999115521 or
  mail us support@uglandindia.com

Refund policy

Prepaid Customer

• Refund of the order will be initiated after receiving the product at the warehouse address

• You will receive a notification message or mail for confirmation, of receiving the product.

• Full order value amount will transfer to your bank account. Money will be credited 5-7 working days.
• Money will issue same day when confirmation will receive by message and mail.
• Refund will not issued if product is not the same as which orders are sent by us.
• We can provide reverse amount in the DISCOUNT coupon if the buyer wants and can apply coupon to purchase another or the same product. Money will deduct.
• Coupon validity available for 1 year.
• If return request receive after 10 days from the date of delivery. we will not issue refund.
 
Deduct Non Refundable Charges
• Refund money reverse to you only product amount and delivery charges
• Delivery charges will not refund in case order refuse delivery to accept order / Incorrect address mentioned
Order Cancellation Charges
Order cancellation charges will be deduct if in case your order is Picked up or handover to the courier department. Delivery charges will deduct.
Refund will reverse only product amount.

For any query, please Call/WhatsApp to our helpline number +91-9999115521/+91-9999115512

Any complaint or query also technical support mail us support@uglandindia.com
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