Product Description
LT-B1407 | 7S‑14S 50A BMS for Electric Scooters & Bikes
Li‑ion / LiFePO₄ | O2 Microchips | Balancing | NTC & E‑Switch | Customizable Parameters
The LT-B1407 is a classic, high‑power Battery Management System (BMS) designed for 7S to 14S lithium‑ion and LiFePO₄ battery packs – covering nominal voltages from 24V to 58.8V (7S–14S). Featuring O2 Microchips, it supports a 50A continuous discharge current (100A pulse), integrated balancing function, NTC thermal sensors, E‑switch for MOS control, and fully customizable parameters. This robust BMS is ideal for electric scooters, e‑bikes, electric tricycles, and high‑power motors ranging from 2000W to 15000W.
📊 Technical Specifications
| Product Name | 48V Electric Tricycles BMS 13S Li‑ion Battery Protection Board – 50A for 2000W–15000W Motors |
|---|---|
| Model | LT-B1407 |
| Battery Compatibility | LiFePO₄ / Lithium‑ion (Li‑ion) |
| Cell Series | 7S – 14S (24V–58.8V) |
| Functions | NTC thermal sensor, E‑switch, passive balancing |
| Continuous Discharge Current | Max 50A |
| Pulse Discharge Current | 100A |
| Dimensions (approx.) | 65 × 90 mm (with thermal sensors) |
⚙️ Key Features
🔋 Wide Voltage Support (7S–14S)
Compatible with 7S (24V), 8S, 9S, 10S (36V), 11S, 12S, 13S (48V), and 14S (52V–58.8V) Li‑ion or LiFePO₄ packs – versatile for various electric vehicles.
⚡ High Current Handling
50A continuous discharge (100A pulse) supports high‑power motors from 2000W to 15000W, making it suitable for heavy‑duty e‑tricycles, scooters, and cargo bikes.
🔧 O2 Microchips
Built with advanced O2 Microchips for precise voltage monitoring, reliable protection, and stable performance.
⚖️ Passive Balancing
Maintains uniform charge across all cells, maximizing pack capacity and extending overall battery lifespan.
🌡️ NTC Thermal Sensor & E‑Switch
Integrated NTC thermistor provides over‑temperature protection. The E‑switch allows electronic control of MOSFET on/off for convenient power management.
⚙️ Customizable Parameters
Parameters (voltage thresholds, current limits, protection delays) can be set according to your requirements before shipping – tailored to your specific battery pack.
📏 Compact Size
Dimensions: 65 × 90 mm (including thermal sensors) – fits easily into battery enclosures for scooters, bikes, and tricycles.
🛡️ Comprehensive Protections
Over‑charge, over‑discharge, over‑current, short circuit, and over‑temperature protections ensure safe and reliable operation.
🔋 Applications
🛴 Electric Scooters & Mopeds
Perfect for 48V–60V scooter batteries requiring 50A continuous current for powerful acceleration and hill climbing.
🚲 High‑Power E‑Bikes & Cargo Bikes
Ideal for 48V–52V e‑bikes with motors up to 2000W, delivering reliable power and thermal protection.
🛺 Electric Tricycles & Light EVs
Suitable for 48V–58.8V packs in cargo tricycles, passenger vehicles, and industrial EVs.
🔋 Custom High‑Power Battery Packs
Excellent choice for DIY builders creating 7S‑14S Li‑ion or LiFePO₄ packs for high‑current applications.
🖼️ Product Gallery
We offer OEM/ODM services for the LT-B1407 platform – customize current ratings (30A–50A), cell series (7S‑14S), and physical dimensions. For smaller BMS options, please refer to LT-P14S019, LT-P13S026, or LT-P13S102. Contact our engineering team for sample requests, technical documentation, and volume pricing.
Primary: 14S BMS · 13S BMS · 7S BMS · 50A BMS · LT-B1407 · electric scooter BMS · e‑bike BMS · LiFePO₄ BMS · Li‑ion BMS · NTC sensor · E‑switch · balancing BMS · 48V BMS · high current BMS · O2 Microchips
Performance: 50A continuous discharge · 100A pulse · 7S‑14S support · passive balancing · over‑charge protection · over‑discharge protection · over‑current protection · short circuit protection · over‑temperature protection · customizable parameters · 65×90mm size
Applications: electric scooter · electric bicycle · electric tricycle · 48V battery · 52V battery · 2000W‑15000W motor · high‑power EV · custom battery pack
