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48V Lithium Battery BMS - 30A/40A/50A

48V Lithium Battery BMS - 30A/40A/50A

Regular price $81.45 USD
Regular price $27.15 USD Sale price $81.45 USD
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48V Lithium Battery BMS – 13S 30A / 40A / 50A Protection Board

Reliable Battery Protection for Your eBike or Electric Scooter

Keep your compatible lithium battery system protected with a 13S 48V Lithium Battery Management System (BMS). Available in 30A, 40A, and 50A options, this battery protection board is designed for compatible 13-series lithium-ion battery packs used in electric bikes, scooters, and other suitable battery-powered applications.

A properly matched BMS helps manage battery charging and discharging while protecting against certain electrical faults. Choose the current rating that matches your battery cells, motor controller, wiring, and intended power requirements.

Key Features

  • 13S Lithium-Ion Configuration: Designed for compatible 13-series lithium-ion battery packs.

  • Three Current Options: Choose from 30A, 40A, or 50A versions, subject to actual product availability.

  • Battery Protection: Protection functions depend on the specific board design and specifications.

  • eBike and Scooter Applications: Suitable for compatible lithium battery systems.

  • Compact Replacement Component: For battery pack repair or assembly by a qualified technician.

  • Product Origin: Listed as Mainland China.

  • Brand: Unbranded/generic supplier listing.

Product Specifications

Specification Details
Product Name 48V Lithium Battery BMS
Configuration 13S
Battery Type Compatible lithium-ion battery packs
Current Options 30A / 40A / 50A
Brand Generic/unbranded
Product Type Battery Management System / Protection Board
Listed Origin Mainland China
Applications Compatible eBikes and electric scooters

Which BMS Current Rating Should You Choose?

30A BMS: Consider for battery systems whose continuous current demand is within the verified 30A rating.

40A BMS: Consider for compatible systems requiring a higher current rating, provided the cells and wiring can safely support it.

50A BMS: Consider for compatible systems with higher current requirements, only when the battery cells, conductors, connectors, and protection settings are appropriately rated.

A higher amp rating does not automatically make a battery safer or more powerful. The complete battery system must be designed to support the required current.

Is This BMS Compatible With Your Battery?

A conventional 13S lithium-ion pack is commonly called a 48V battery and typically charges to 54.6V when fully charged. This BMS is not automatically compatible with every battery marketed as 48V.

Before ordering, verify:

  • The battery has a 13S lithium-ion configuration.

  • The selected BMS current rating matches the battery and controller requirements.

  • The BMS supports the correct charging and discharging current.

  • The balance-wire count, connector arrangement, wiring diagram, and polarity match.

  • The board supports the required protection functions and temperature sensors, if needed.

Important Installation and Safety Information

The supplied listing does not confirm detailed protection thresholds, balancing current, temperature protection, dimensions, or wiring diagrams. Obtain these specifications from the seller before installation.

Lithium battery packs can deliver dangerous levels of current. Incorrect wiring or an incompatible BMS can cause battery damage, overheating, fire, or injury. Installation and testing should be performed by a qualified battery technician. Never bypass the BMS or rely on it as the only safety measure.

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