Description

Original SK ON E777 77.7Ah Automotive Pouch Battery – 3.65V NMC High Power Cell for Electric Vehicle, ESS & Industrial Use

The SK E777 pouch cell integrates 77.7Ah high capacity with 77.7A continuous discharge for maximum power output. It features long cycle and calendar life, ultra‑low heat generation, and automotive‑grade safety. Designed for electric vehicles, energy storage systems, and industrial machinery, it delivers consistent performance in demanding conditions.

1.Basic Parameters

Battery Model	SK-77.7 (E777)
Battery Type	NMC Pouch Cell
Nominal Voltage	3.65V
Nominal Capacity	77.7Ah
Working Voltage	2.0V-4.3V
Max Charge Current	0.5C
Max Discharge Current	1C
Peak Discharge Current	5.15C
Internal Resistance	≤1.06mΩ
Charge Temperature	-30-60℃
Discharge Temperature	-30-60℃
Storage Temperature	-30-60℃
Cycle Life	≥1000 cycles
Battery Size	5308.699.7mm
Battery Weight	1.07kg
Warranty	2 Years

2.Why NMC Pouch Cell?
NMC pouch cell is primarily selectly for its high energy density, lightweight design and flexible form factor, which perfectly match the demands of portable products.
1) High energy density
It delivers higher capacity in a smaller and lighter size, greatly improving the endurance of portable devices.
2) Lightweight & flexible form factor
The ultra-thin, light body and customizable shape perfectly fit the slim and personalized design of modern electronic products.
3) High space utilization
It features high space efficiency, helping products achieve a more compact internal structure.
4) Target application demand
It is the preferred solution for lightweight, portable and slim consumer electronics and light mobility equipment.

NMC Battery Cell VS LiFePO4 Battery Cell

Items	NMC Battery	LiFePO4 Battery
Energy Density	Higher, lighter weight	Lower, larger volume
Cycle Life	Medium	Longer cycle lifespan
Safety	General safety	Excellent thermal & structural safety
Low-Temp Performance	Good	Weak in cold environments
Main Use	Consumer electronics, light EVs	EVs, energy storage, heavy-duty devices

NMC Pouch Batery VS NMC Prismatic Battery

Items	NMC Pouch Cell	NMC Prismatic Cell
Structure	Soft film, thin & light, flexible shape	Metal shell, rigid, fixed size
Energy Density	Higher	Moderate
Performance	Good pressure relief	Impact-resistant, longer cycle life
Application	Portable electronics, light EVs	EVs, energy storage, high-power devices

3.Real Customer Reviews
Our growth comes from every customer’s recognition. NOGIPower team are committed to delivering reliable batteries to our customers.

4.Customer FAQ

Q: What certifications do your batteries have?

A: Our batteries are certified with UN38.3, CE, FCC, RoHS, IEC62133, UL and other regional certifications as required.

Q: Can you provide MSDS, test reports and transport documents?

A: Yes, we can provide full documentation including MSDS, UN38.3 test report, cargo transport assessment report, and certification files.

Q: What’s your MOQ (Minimum Order Quantity)?

A: No strict MOQ requirement. Small samples are available for testing.

Q: Can you ship to our port/warehouse directly?

A: Yes, FOB/CIF/DAP/DDP are all available for most countries. DDP (door to door and duty paid) is preferred by a larger number of customers.

Q: Do you support OEM/ODM customization?

A: Yes, battery pack/OEM/ODM available.

5.Who We are?
NOGIPower focus on high-performance lithium battery solutions.We have established long-term in-depth cooperation with renowned battery manufacturers including CATL, CALB, EVE and Farasis etc. Our product lineup includes LFP batteries, NMC ternary lithium batteries and energy storage systems, alongside professional OEM & ODM customization services.
All products comply with international standards, featuring superior safety and long service life. Our reliable solutions are widely applied in solar energy storage, vehicles and industrial power sectors. We partner with clients worldwide to advance sustainable energy development.

More info, please contact us: Wechat/WhatsApp: +8613570852640 Email: support@nogipower.com

Original SK ON E777 77.7Ah Automotive Pouch Battery 3.65V NMC Cell for portable products.