optimumnano
Product Overview
The OptimumNano 64V 40Ah LiFePO4 battery pack is designed for high-performance electric scooters, e-bikes, and light electric motorcycles. Built with automotive-grade LiFePO4 cells and an intelligent BMS, this battery offers long service life, superior safety, and stable power output. Its plug-and-play design ensures easy installation and wide compatibility.
1. Nominal Voltage: 64V
2. Capacity: 40Ah (2.56 kWh)
3. Extended Range: 100–120 km per charge
4. Cycle Life: Over 3,500 cycles
5. Waterproof & Dustproof: IP65 rated
Key Features
1. High Energy & Long Range
Large-capacity LiFePO4 cells extend mileage and reduce charging frequency.
2. Intelligent Battery Management System (BMS)
Provides overcharge, over-discharge, over-current, short-circuit, and over-temperature protection. Maintains cell balance to extend battery life.
3. Fast Charging & Discharging
Supports high-rate charging for quick turnaround and heavy usage scenarios.
4. Durable & Lightweight
Compact design with robust housing for IP65 water and dust protection. Weighs only 17.6 kg, easy to handle and install.
5. Long Lifespan
More than 3,500 cycles, nearly triple the lifespan of conventional lead-acid batteries.
6. Smart Connectivity (Optional)
Bluetooth and GPS options available for real-time monitoring and tracking.
Technical Specifications
| Item | Parameters |
|---|---|
| Product Model | 6440 |
| Nominal Energy (Wh) | 1856 |
| Nominal Voltage (V) | 64 |
| Operating Voltage (V) | 50–72 |
| Max. Continuous Discharge (A) | 40 |
| Peak Discharge Current (A) | 60 |
| Dimensions (L×W×H, mm) | 372 × 180 × 173 |
| Weight (kg) | 17.6 |
| Charging Temp (°C) | 0–55 |
| Discharging Temp (°C) | -20–60 |
| Heating Function | Optional |
| GPS/Bluetooth Function | Optional |
| Water & Dust Resistance | IP65 |
Application Scenarios
1. Two-wheel electric motorcycles & scooters
2. Enclosed electric tricycles
3. Electric three-wheelers
4. Small electric utility vehicles
Battery Discharge Curves (Sample)
1. 32700 LiFePO4 cells
2. 32800 LiFePO4 cells
3. 38121 LiFePO4 cells
Factory & Production Equipment
1. Automatic feeding machine
2. Rolling machine
3. Electrolyte filling line
4. Automated assembly line
5. Grading & testing machines
Certifications
FAQ
1. Which e-bikes or scooters are compatible?
R: Compatible with most 64V e-bikes, scooters, and light motorcycles. Tested for stable performance.
2. What is the range per full charge?
R: Approximately 60–80 km, depending on terrain, rider weight, and style.
3. What safety protections does the battery have?
R: Built-in BMS with overcharge, over-discharge, overcurrent, and short-circuit protection.
4. How long will the battery last?
R: 2,500–3,500 cycles, equivalent to 5–7 years with normal daily usage.
5. How should I charge this battery?
R: Use a 64V compatible charger (5–10A). Avoid non-compatible or overpowered chargers.
6. Can I ride in the rain?
R: Yes, IP65 rated. Avoid full immersion in water.
7. Is it safe for air shipment?
R: Yes, UN38.3 certified for international transport by air, sea, or land.
8. Does the battery come with a warranty?
R: 12-month warranty for manufacturing defects and abnormal capacity loss.
9. How to maximize battery lifespan?
R: Avoid discharging below 10%; Store at 20–25°C when idle; For long-term storage, keep 50–70% SOC
10. Any precautions for daily use?
R: Avoid dropping or heavy impacts; Regularly check connectors and wires; Do not disassemble the battery
