SK
3.7V 74.4ah
Grade A
74.4Ah
3.7v
1.1kg
12*128*365mm
≥ 3000 times
| Availability: | |
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| Quantity: | |
| Rated Capacity | 74.4Ah (275.28Wh) |
| Nominal Voltage(V): | 3.7v |
| The charging ratio | 1C continuous (0-45°C) |
| The discharge rate | 5C |
| Chargeable | Yes |
| Nominal Capacity | 74.4ah |
| Cycle Life | 3000+ cycles @ 80% DoD |
| Weight | 1.1kg |
| Dimensions (L*W*H) | 12*128*365mm |
| Applications | Electric Power Systems,Home Applicances,Electric vehicles,Golf carts,electric scooter,electric bicycle,used cars and so on. |
Electrical Performance
Charge Voltage: 4.2V
Standard Charge Current: 0.5C (37.2A)
Fast Charge Capability: Up to 1.5C (111.6A)
Continuous Discharge Current: 5C (372A)
Peak Discharge Current (10s): 8C (~595A)
Internal Resistance: ≤ 1.5 mΩ
Energy Efficiency: >95% @ 1C rate
Mechanical & Environmental
Pouch Material: High-strength, multi-layer laminated aluminum barrier film.
Terminals: Laser-welded aluminum (positive) and nickel-plated copper (negative) tabs.
Robustness: Designed to meet automotive-grade vibration and shock requirements.

Optimized Energy & Power Balance
High 74.4Ah capacity provides substantial energy for extended operational range.
5C continuous discharge (372A) delivers robust power for acceleration, climbing, and high-load scenarios, minimizing the traditional trade-off between energy and power density.
Advanced NCM Chemistry
Leverages SK Innovation’s proprietary electrode and electrolyte formulation for enhanced energy density and thermal stability.
Engineered for long cycle life even under high-rate operating conditions.
Pouch Cell Advantages
Lightweight & Flexible: The pouch format offers superior gravimetric energy density and allows for custom, space-efficient pack designs that conform to available vehicle or system architecture.
Efficient Thermal Management: Large surface area facilitates effective heat dissipation when integrated with cooling systems.
Enhanced Safety & Reliability
Incorporates SK’s multi-layer safety technologies, including a highly stable separator and advanced pressure management design.
Manufactured under strict quality control standards, ensuring high consistency and reliability.
Fast Charging Capability
Supports high-rate charging (typically up to 1.5C) with proper thermal management, enabling reduced downtime.

Premium Electric Vehicles: High-performance passenger EVs, SUVs, and luxury electric cars requiring both long range and strong acceleration.
Electric Aviation & High-End UAVs: Prototype and specialized aerial vehicles where energy-to-weight ratio is critical.
High-Power Energy Storage Systems (ESS): For frequency regulation and grid support requiring rapid charge/discharge response.
Marine Propulsion: High-speed electric boats and yachts.
Advanced Robotics & Heavy-Duty AGVs: Industrial automation with high energy and power demands.

Dongguan Misen Power Technology Co., Ltd. possesses advanced equipment, scientific management techniques, and excellent quality control. We focus on 18650, 21700, 32650, polymer, large single-cell power batteries, energy storage batteries, outdoor power supplies, emergency power supplies, lithium battery packs, and more.And the recycling and preparation of new energy vehicle battery modules, and provide OEM&ODM service.
These products are widely used in electric surfboards, electric bicycles, home energy storage, RV energy, marine energy, UPS systems, tower stations, and solar energy storage systems.
We specialize in this field for many years with advanced equipment,scientific management techniques,and excellent quality control which earn us customers all over the world.
Our factory has been evaluated, certified, and inspected by SGS Group. We aim to be a reliable battery supplier for long-term business relationships. All our batteries have passed international certifications, including UL, CE, ROHS, CB, UN38.3, MSDS, IEC, ISO9001 and others.
