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48V 2000W High-Power Ebike Battery Pack (50A BMS)
Built specifically for extreme-performance electric bikes, cargo trikes, and high-speed conversions, the GEB 48V 2000W Lithium Battery Pack features an industrial-grade 50A continuous / 100A peak BMS. High-rate Grade-A cells ensure low internal impedance and thermal stability under steep climbing and full-throttle acceleration. Features heavy-gauge 10AWG silicone wiring with genuine XT90-S anti-spark connectors.
Description
General Electronics Technology Co., Ltd. is one of the leading manufacturers and suppliers of 48V 2000W High-Power Ebike Battery Pack (50A BMS) in China. We are committed to providing high quality custom service and OEM&ODM service to global clients. Please feel free to wholesale durable lithium battery packs in stock here and get quotation from our factory.
Engineering Overview & Quick Assessment
This 48V 2000W battery pack features a 50A continuous BMS designed for high-power electric bikes (1500W-2000W). Confirm motor controller amp draw (≤50A), discharge connector type (XT90-S), and battery compartment space before installation.
Verified Engineering Specifications
| Technical Parameter | Factory Benchmark & Tolerance Range |
|---|---|
| Nominal Voltage | 48.0V (Optional 52.0V configuration available) |
| Rated Capacity | 20.0Ah (960Wh) |
| Continuous Discharge | 50.0A (Continuous rated for 2000W motors) |
| Peak Pulse Discharge | 100.0A (≤ 5 seconds) |
| Internal Resistance | AC IR (1kHz) ≤ 25 mΩ |
| Power Rating | Rated for 1500W - 2000W continuous motor output |
| Connector Hardware | XT90-S (Anti-Spark) with 10AWG High-Temp Silicone Leads |
| Enclosure Material | Flame-Retardant ABS/PC Impact-Resistant Casing |
| Cycle Life | ≥ 800 cycles (@ 80% DoD under 1C discharge) |
| Certification | UN38.3, MSDS, CE, RoHS |
Motor & Drivetrain Compatibility
Compatible Motor Systems: Voilamart 48V 1500W/2000W, NBPower 2000W, Bafang BBSHD over-clocked controllers, direct-drive rear hubs.
Pre-Installation Check: Ensure your motor controller has a high-current battery line and low-voltage cutoff set to 41.0V (for 48V packs).
Industrial Quality Architecture & Safety
- Automated Cell Sorting & Grading: Every cylindrical cell undergoes automated grading to ensure capacity variance ≤ 1.5% and internal resistance (IR) difference ≤ 2mΩ.
- Precision Pure Nickel Interconnects: Ultrasonic/spot-welded pure nickel strips lower internal resistance, minimize Joule heating during sustained hill-climbing, and prevent thermal runaway.
- Multi-Tier Smart BMS Protection: Real-time hardware monitoring protects against over-charge (4.25V/cell cut), over-discharge (2.8V/cell cut), continuous high-amperage over-current, and short-circuit faults with automatic reset.
- Shock-Resistant Structural Casing: Impact-resistant ABS+PC flame-retardant enclosure (UL94-V0 rated) shields the internal pack from trail debris, road vibration, and accidental drops.
OEM / ODM Customization & Sourcing Workflow
Shenzhen General Electronics Technology Co., Ltd. (GEB) provides complete end-to-end custom battery manufacturing for e-bike brands, distributors, and fleet operators:
Customizable BMS protocols (CAN-Bus, UART, RS485), customized wiring harnesses (Anderson, XT60, XT90-S, waterproof Julet connectors), and tailored discharge profiles.
Fully certified with UN38.3 test reports, MSDS, CE, RoHS, and Sea/Air Dangerous Goods (DG) freight classification for smooth customs clearance worldwide.
Frequently Asked Questions (FAQ)
Q1: How can I verify that this battery will fit my specific e-bike frame?
A: Download the 1:1 scale dimensional drawing or compare the exact enclosure length, width, and height listed in our specification table above with your frame triangle clearance. Ensure a minimum of 15-20mm clearance along the sliding direction for key release.
Q2: What is the sample lead time and mass-production turnaround?
A: Evaluation sample units typically ship within 5 to 7 business days. Mass production batches (100 to 1,000+ units) are fulfilled within 20 to 25 working days depending on cell supply allocation and custom BMS requirements.
Q3: Can GEB customize the battery housing color, branding, and connector pinouts?
A: Yes. We offer laser-etched OEM branding, silk-screened logos, custom color finishes for qualifying order volumes, and custom discharge/charge wiring pinouts tailored to your motor controller.
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