Product Description
LT-P13S105 | UL Certified 36V/48V 20A PCM BMS for eBikes
Compact 75×35mm | Dual ICs + Doubled MOSFETs | NTC Over‑Temperature Protection | LED SOC Indicators
The LT-P13S105 is a UL Certified Battery Management System (BMS) designed for 10S (36V) and 13S (48V) lithium‑ion battery packs used in electric bicycles, e‑scooters, and light electric vehicles. With a compact size of 75×35mm, 20A continuous discharge capability, dual ICs and doubled MOSFETs for enhanced protection, NTC over‑temperature sensors, and LED indicators for SOC and charging status, this BMS delivers reliable, safe, and efficient battery management. It meets UL/ISO certification requirements, making it ideal for high‑quality e‑bike battery packs.
📋 Summary
- UL Certified BMS for eBikes and light EVs
- Compact size: 75 × 35 mm – fits into tight battery enclosures
- Voltage support: 10S (36V) to 13S (48V) Li‑ion
- Continuous discharge: 20A – suitable for 250W–750W motors
- NTC over‑temperature protection – prevents overheating
- Dual ICs & doubled MOSFETs – enhanced safety and reliability
- LED indicators for power SOC and charging status (auto turn‑off during discharge)
- Charging automatic turn‑off discharge – safe operation
⚙️ Key Features
📏 Compact 75×35mm Size
Space‑efficient design fits seamlessly into e‑bike downtube batteries, rear‑rack packs, and other space‑constrained enclosures.
🔋 Wide Voltage Compatibility
Supports 10S (36V) to 13S (48V) lithium‑ion battery configurations, offering flexibility for various e‑bike systems.
⚡ 20A Continuous Discharge
20A continuous current provides reliable power for 250W‑750W e‑bike motors, ensuring smooth acceleration and hill‑climbing performance.
🌡️ NTC Over‑Temperature Protection
Integrated NTC thermistors actively monitor battery temperature, preventing overheating and extending pack life.
🔒 Dual ICs & Doubled MOSFETs
Two independent protection ICs and doubled MOSFETs provide redundant safety layers, ensuring stable and reliable operation even under fault conditions.
💡 LED Indicator Lights
LEDs display power state and State of Charge (SOC). Indicators automatically turn off during discharging for power savings, and provide clear visual feedback during charging.
🔌 Charging Automatic Turn‑Off Discharge
Intelligent logic prevents discharge while charging, enhancing safety and protecting both the battery and charger.
✅ UL/ISO Certified
Designed to meet UL and ISO certification requirements, ensuring compliance with global safety standards for e‑bike battery systems.
📊 Technical Specifications
- Model: LT-P13S105
- Cell Series Support: 10S – 13S Li‑ion (36V–48V)
- Continuous Discharge Current: 20A
- Charge Current: Configurable (common port)
- Dimensions (L×W): 75 × 35 mm
- Temperature Sensing: NTC thermistor (over‑temperature protection)
- Protection ICs: Dual ICs
- MOSFETs: Doubled for improved power handling
- Indicators: LED for SOC and charging status
- Protections: Over‑charge, over‑discharge, over‑current, short circuit, over‑temperature
- Balancing: Passive balancing
- Certifications: UL, ISO
- Operating Temperature: -20°C to 70°C
- Applications: Electric bicycles, e‑scooters, pedelecs, light EVs
🚲 Applications
🚴 Electric Bicycles (E‑Bikes)
Ideal for 36V and 48V e‑bike battery packs requiring UL certification and reliable 20A discharge.
🛴 Electric Scooters & Pedelecs
Perfect for 36V–48V scooter batteries with space constraints, offering compact size and advanced protection.
🔋 Light Electric Vehicles (LEVs)
Suitable for e‑tricycles, cargo bikes, and other LEVs where safety certification is critical.
🔧 Custom Battery Packs
Excellent choice for DIY builders seeking a UL‑certified BMS for 10S‑13S Li‑ion packs.
We offer OEM/ODM services for the LT-P13S105 platform – customize current ratings, voltage support, and physical dimensions. Contact our engineering team for sample requests, technical documentation, and volume pricing.
Primary: UL certified BMS · 36V BMS · 48V BMS · 20A BMS · LT-P13S105 · e‑bike BMS · Li‑ion BMS · dual ICs · doubled MOSFETs · NTC sensor · LED indicators · UL2271 · ISO13849
Performance: 20A continuous discharge · 75×35mm compact size · 10S‑13S support · passive balancing · over‑charge protection · over‑discharge protection · over‑current protection · short circuit protection · over‑temperature protection · LED SOC display · charging auto turn‑off discharge
Applications: electric bicycle · e‑scooter · pedelec · light electric vehicle · 36V lithium battery · 48V lithium battery · custom battery pack
