Built with Samsung INR21700-50S cells and a smart JBD BMS, this 72 V 20 Ah pack delivers reliable high-power output for e-motorcycles, scooters, and robotics. It offers 60 A continuous / 90 A peak discharge, RS485 communication with LCD display, and dual XT90 + WS20 connectors for efficient performance and easy integration. Compact (≤224×192×110 mm) and lightweight (~6.2 kg), it’s designed for demanding environments with a wide temperature range (−20 °C to 60 °C).
This 72V 20Ah battery pack is built with high-rate Samsung INR21700-50S cells in a 20S4P configuration to deliver strong power in a compact footprint for e-motorcycles, high-performance scooters, AGVs/AMRs, and robotics. It integrates a smart JBD BMS with RS485 communication and on-pack LCD for real-time voltage, current, and SOC visibility. Key connection hardware includes XT90 anti-spark discharge leads and a WS20 2-pin charging inlet for secure, low-loss coupling. Dimensions are ≤224×192×110 mm and weight is ~6.2 kg, with operating temperatures designed for real-world field conditions
Samsung INR21700-50S cells; 20S4P, 72 V nominal, 20 Ah capacity.
Smart JBD BMS with RS485 comms + integrated LCD (62×39×15.5 mm) indicating SOC/voltage/current.
Connectors: dual XT90 (discharge, anti-spark) and WS20 2-pin (charge).
Continuous / peak discharge: 60 A / 90 A (1 s).
Compact and robust: ≤224×192×110 mm; ~6.2 kg.
Temp ranges: charge 0–45 °C; discharge −20–60 °C; storage −20–60 °C.
Note on consistency: your Word sheet shows some 13-series voltages (e.g., 54.6 V) which don’t apply to this 20S pack. For the spec table I’ll standardize to 20S limits (nominal 72 V; charge cut-off 84.0 V; discharge cut-off 56 V).
High-rate Output · Smart RS485 BMS · Compact & Reliable
| Parameter | Specification | Notes |
|---|---|---|
| Cell Type | Samsung INR21700-50S | 5000mAh high-rate cells |
| Configuration | 20S4P | 20 series × 4 parallel |
| Nominal Voltage | 72V | 3.6V × 20S |
| Nominal Capacity | 20Ah | 5000mAh × 4P |
| Voltage Range | 56V – 84V | Operating window |
| Charge Cut-off Voltage | 84V | 4.2V × 20S |
| Discharge Cut-off Voltage | 56V | 2.8V × 20S |
| Continuous / Peak Discharge | 60A / 90A (1s) | High current capability |
| Standard / Max Charge Current | 5A / 10A | 5A charger recommended |
| BMS | JBD Smart BMS (RS485) | With LCD for voltage/current/SOC |
| Connectors | XT90 (discharge), WS20 (charge) | Anti-spark design |
| Dimensions (L×W×H) | ≤224×192×110mm | Compact casing |
| Weight | ≈6.2kg | Including housing |
| Operating Temperature | Charge 0–45°C / Discharge −20–60°C | Standard Li-ion range |
| Storage Temperature | −20–60°C | Long-term storage |
| Shell Color | Black / Blue | Customizable |
| Form Factor | Battery pack with protective casing | EV/robotics ready |
Built from Samsung INR21700-50S cells in a 20S4P layout for a 72 V, 20 Ah nominal pack, balancing energy density and high-rate output.
Supports 60 A continuous discharge with 90 A peak for 1 s, enabling confident launch torque, hill climbs, and transient loads in EV/robotics.
Recommended 5 A standard charging (up to 10 A max) for longevity and thermal stability; matched 5 A charger available.
JBD smart BMS with RS485 communication plus an integrated LCD that displays voltage, current, and SOC for quick diagnostics on the pack.
Dual XT90 anti-spark discharge leads (≈20 cm) and WS20 2-pin charge inlet (≈30 cm) deliver secure, low-loss connections and easy integration.
Compact enclosure ≤224 × 192 × 110 mm, ~6.2 kg total, optimized for tight bays and vehicle center-of-gravity.
Qualified operating temps: charge 0–45 °C, discharge −20–60 °C; storage −20–60 °C for logistics and standby.
Durable pack casing in black/blue options; protective form factor suitable for e-mobility and industrial robots.
The 72V 20Ah lithium battery pack is engineered for demanding electric mobility and industrial power systems where efficiency, stability, and compactness matter.
This 72V 20Ah pack delivers strong torque and fast acceleration, making it ideal for e-motorcycles, e-bikes, and scooters that need long runtime with high discharge current.
Designed for automatic guided vehicles and mobile robots, the battery’s stable voltage and smart RS485 BMS ensure safe communication, long endurance, and low maintenance.
The 72V 20Ah battery pack provides consistent energy for robotic fleets that run all day. Its LCD display and data interface simplify monitoring and integration.
Compact dimensions (≤224×192×110 mm) and lightweight design (~6.2 kg) allow flexible installation in portable or vibration-prone tools.
Excellent cycle life and −20°C to 60°C working temperature range make this pack reliable for compact backup systems or mobile power units.
In all these applications, the 72V 20Ah lithium battery pack ensures optimal performance, safety, and integration flexibility for B2B clients looking to upgrade from outdated lead-acid systems.
The 72V 20Ah lithium battery pack is built with strict quality assurance to ensure stable performance and long cycle life across industrial and mobility applications. Each pack undergoes multiple stages of inspection, including cell matching, BMS calibration, and vibration testing before shipment.
Our production follows ISO-certified standards, and all 72V battery packs can meet UN38.3, CE, and MSDS testing requirements for international transport and compliance. Every module is equipped with a smart JBD BMS featuring overcharge, over-discharge, short-circuit, and temperature protection.
Before delivery, each 72V 20Ah pack passes functional and aging tests to verify voltage balance, communication response (RS485), and current output stability. Environmental stress tests ensure the battery performs reliably from −20°C to 60°C in both charging and discharging modes.
We also support third-party testing and customer factory audits upon request to validate quality and safety standards before mass production.
Everything buyers ask before integration & mass production
Need a custom lithium battery pack? Just send us your specs—we’ll help you choose the right voltage, case, and configuration for your application.
At JUNDA, we make customization easy. Follow these 3 simple steps to start today:
Send your battery requirements — voltage, capacity, casing type, or upload drawings/photos.
We’ll evaluate your specs and recommend the best configuration. A detailed quote will be sent within 24 hours.
After approval and deposit, we start production. Shipping and tracking will be arranged for fast, secure delivery.
