Product name	60V 20Ah
Model	RESKY-6020
Rated Capacity	20Ah
Nominal Voltage	60V
Over discharge protection voltage	44V±0.05V
Over charge protection voltage	67.2V±0.05V
AC Impedance New Cell Max.(mΩ)	≤100 mΩ
Maximum Continuous Charge Current	≤5A adjustment
Maximum Continuous Discharge Current	≤10A adjustment
Maximum Pulse discharge current	≤20A adjustment
Operation Temperature Range	Charge: 0~45°C,Discharge: -20~60°C
Storage Temperature Range	Less than 1 year: -20~25°C
Storage Temperature Range	Less than 3 months: -20~40°C
Storage Temperature Range	Less than 30 Days: -25°C~45°C
Storage Temperature Range	Less than 90 Days: -25°C~30°C
Weight	Approx 5kg
Cycle Characteristic	500 times

Advantages:

1. High Energy Density & Compact Design

21700 Cell Technology: These cylindrical cells (21mm diameter × 70mm length) offer up to 20% higher energy density than older 18650 cells, storing more energy in a smaller volume.

Lightweight: Reduces scooter weight (e.g., a 60V/20Ah pack may weigh ~5kg vs. 10–15kg for lead-acid), improving portability and handling.

Space Efficiency: Enables sleeker battery designs that fit seamlessly into scooter frames.

2. High Voltage for Enhanced Performance

60V System: Delivers higher power output (P = V × I), enabling faster acceleration, steeper hill climbing, and higher top speeds (e.g., 50–60 km/h for high-performance scooters).

Efficiency: Reduces current draw, minimizing heat loss and extending motor lifespan.

3. Long Cycle Life & Durability

Extended Lifespan: 21700 cells typically offer 1000–2000 charge cycles (depending on chemistry), lasting 3–5 years with regular use.

Deep Discharge Resistance: Tolerates deeper discharges (e.g., 80% DoD) without significant degradation, unlike lead-acid batteries.

4. Fast Charging Capability

Rapid Recharge: Supports high charging currents (e.g., 3–5A), achieving 0–80% charge in 1–2 hours (full charge in 2–4 hours).

Compatibility: Works with standard EV chargers and fast-charging stations.

5. Advanced Battery Management System (BMS)

Safety Features: Prevents overcharging, over-discharging, short circuits, and thermal runaway.

Cell Balancing: Ensures uniform charging across cells, maximizing capacity and lifespan.

Thermal Management: Maintains optimal operating temperatures (e.g., via cooling plates or vents).

Pictures:

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