Product Description
This 12V lithium battery is built around 18650 cells, combining large capacity, high power and waterproof multifunctional features. The large capacity design ensures long-term stable power supply to meet the continuous operation requirements of a variety of devices; the high power output can drive high-energy-consuming devices to operate efficiently and release strong power. The sturdy and durable waterproof shell allows it to cope with harsh working conditions such as moisture and rain. It is not only suitable for conventional indoor and outdoor scenes, but also for special environments with strict requirements for waterproofing, such as water operation equipment, outdoor adventure equipment, etc. It protects the power supply in all directions and provides a reliable, durable and safe energy solution for your equipment.



Product parameters
Capacity | 10Ah/12Ah/15Ah | 35Ah/40Ah/45Ah/50Ah |
Input voltage | 12.6V | 12.6V |
Output voltage | 12V | 12V |
Weight | 650g | 2.2kg |
Dimensions | 158*90*60mm | 200*120*75mm |
Continuous operating current | 6A | 15A |
Maximum instantaneous current | 12A | 30A |
Lifespan | 500~800次 | 500~800次 |
Operating temperature | -20°C~+60°C | -20°C~+60°C |
Charger | 12.6V 1A | 12.6V 5A |
Capacity | 50Ah/55Ah/60Ah/70Ah | Continuous working current | 15A/30A |
Input voltage | 12.6V | Maximum instantaneous current | 30A/60A |
Output voltage | 12V | Lifespan | 500~800次 |
Weight | 3.5kg | Operating temperature | -20°C~+60°C |
Dimensions | 230*150*85mm | Charger | 12.6V 5A |
Capacity | 75Ah/85Ah | Continuous working current | 15A/30A |
Input voltage | 12.6V | Maximum instantaneous current | 30A/60A |
Output voltage | 12V | Lifespan | 500~800次 |
Weight | 3.7kg | Operating temperature | -20°C~+60°C |
Dimensions | 263*185*95mm | Charger | 12.6V 5A |
Capacity | 100Ah/120Ah/140Ah | Continuous working current | 15A/30A |
Input voltage | 12.6V | Maximum instantaneous current | 30A/60A |
Output voltage | 12V | Lifespan | 500~800次 |
Weight | 6.1kg | Operating temperature | -20°C~+60°C |
Dimensions | 300*230*95mm | Charger | 12.6V 5A |
Product Display

Strict waterproof standards
Unimpeded by wind and rain, usable day and night
Quality assurance, longer life

Protection board with eight protections
Quality assurance to protect you and your family
- Overpower protection
- Overcharge protection
- Short circuit protection
- Low voltage protection
- Over-reverse protection
- Over-discharge protection
- Temperature control
- Overcurrent protection
Size & Interface





Quality Control
Since its establishment, the Yisenneng Technology Center has formed a stable and innovative lithium battery module system R&D team. The technical center's engineering team has professional and technical personnel including industrial design, electronics, power supply, structure, process, software, measurement and control, electrochemistry, etc.
The development concept is based on "integrated innovation", "project management", "elite team" and "process originality", fully highlighting the unique core competitiveness of "fast response, excellence, customization and strong guarantee", so as to fully meet the special needs of special users for special products, and continuously create value for users in the whole process of serving special users.

Application Cases
- In outdoor adventure lighting equipment, this 12V lithium battery continuously powers a strong flashlight with its large capacity. The stable performance and high power output of the 18650 core make the light brighter and farther. The waterproof shell makes it reliable in rainy or humid environments, illuminating the way forward for explorers.
- When used for the towing motor of an electric fishing boat, the large capacity of this lithium battery can support long-term water operations, the powerful power drives the motor to operate efficiently, and the waterproof shell effectively resists lake and seawater erosion, ensuring stable power supply in complex water environments, helping fisheries to proceed smoothly.
- In the field of handheld power tools for construction, such as impact drills, the high-power characteristics of the 12V lithium battery enable it to easily cope with high-intensity operations. The large capacity ensures that the battery does not need to be replaced frequently during a day's work, and the waterproof shell prevents damage due to water ingress in a humid construction site environment, greatly improving construction efficiency and convenience.



Service
Service Purpose
- Provide customers with professional, fast, thoughtful and high-quality pre-sales and after-sales services.
Service Scope
- All Yisenneng products purchased through regular sales channels will enjoy the after-sales service provided by our company during the warranty period.
Service Content
- If there are any quality problems within 7 days, the product can be returned or exchanged if the product appearance and packaging are intact (except for customized batteries)
- If there are any quality problems within one year, it can be sent back for warranty (battery damage caused by human factors such as water ingress, battery power loss, etc. is not covered by the warranty)
- The shelf life of the product after the warranty is the remaining days of the original warranty period. Paid maintenance can be provided after the warranty period