Farasis
3.7V 55ah
Grade A
55Ah
3.7v
760g
231*161*9.5mm
≥ 2000 times
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| Rated Capacity | 55Ah (230.5Wh) |
| Nominal Voltage(V): | 3.7v |
| The charging ratio | 2C continuous (0-45°C) |
| The discharge rate | 5C |
| Chargeable | Yes |
| Nominal Capacity | 55ah |
| Cycle Life | 2000+ cycles @ 80% DoD |
| Weight | 0.76kg |
| Dimensions (L*W*H) | 231*161*9.5mm |
| Applications | Electric Power Systems,Home Applicances,Electric vehicles,Golf carts,electric scooter,electric bicycle,used cars and so on. |
The Farasis S55 is a semi‑solid state lithium‑ion pouch cell utilizing NCM/graphite chemistry. It delivers a nominal capacity of 55 Ah (at 1/3C) with a nominal voltage of 3.73 V, achieving a weight energy density of 270 Wh/kg and a volume energy density of 581 Wh/L. The cell measures approximately 231 × 161 × 9.5 mm and weighs 760 g, making it well‑suited for space‑constrained, high‑energy applications.

Semi‑Solid State Architecture – Enhances safety by reducing the risk of thermal runaway while maintaining excellent ionic conductivity.
High Energy Density – Provides 270 Wh/kg gravimetric and 581 Wh/L volumetric energy density for compact system design.
Long Cycle Life – Delivers 2,000 cycles at 25°C under 0.5C/1C charge‑discharge (4.3–3.0 V) with 80% state of health (SOH) retention.
Wide Temperature Range – Supports charging from –15°C to 55°C and discharging from –30°C to 60°C for reliable operation in diverse climates.
High Power Capability – Offers 5C pulse discharge (265 A for 10s at 50% SOC) and 3C continuous discharge (159 A) for demanding power applications.
Fast Charging – Capable of 2C pulse charging (106 A for 10s at 50% SOC) to support rapid energy replenishment.
Low Internal Resistance – Enables high efficiency and reduced heat generation under high‑rate operation.

New Energy Passenger Vehicles (BEVs, PHEVs) – Provides long driving range, fast charging, and long‑term durability.
Commercial Vehicles (Light Trucks, Vans, Buses) – Delivers high power output and wide thermal stability for demanding operational conditions.
High‑Performance Electric Two‑Wheelers – Supports compact packaging and high discharge rates for motorcycles and scooters.
Battery Swapping Systems – Offers robust cycle life and consistent performance for shared mobility and swap station applications.
eVTOL (Electric Vertical Take‑Off and Landing) – Combines high energy density, safety, and lightweight construction for urban air mobility.

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.
