7.2V 26.8Ah 2S8P 18650 Battery Pack
Designed for ROVs, high-intensity LED lighting, and outdoor power systems, this 7.2V 26.8Ah battery pack delivers exceptional energy endurance and stable performance. It is constructed with high-capacity Samsung 3350mAh cells in a 2S8P configuration, achieving outstanding energy density for extended operational runtime. Featuring robust physical construction and comprehensive electrical protection, it ensures reliable power delivery even in the most demanding application environments.
Key features：
- Utilizes Samsung high-capacity cells (3350mAh) to achieve high energy density.
- 26.8Ah large-capacity design ensures extended power supply for ROVs and outdoor lighting.
- Reliable BMS and robust packaging ensure stable operation in complex environments.
- Dimension:56*76*70(mm)
| No. | Item | Specification | Note |
|---|---|---|---|
| 1 | Nominal Voltage | 7.2V | 3.6V/cell |
| 2 | Nominal Capacity | 26.8Ah | @0.2C |
| 3 | Minimum Capacity | 26Ah | |
| 4 | Shipment Voltage | ||
| 5 | Initial Internal Impedance | ≤200mΩ | AC 1KHZ |
| 6 | Standard Charge Voltage | 8.4V | 4.2V/Cell |
| 7 | Standard Charge Current | 5.36A | |
| 8 | Max. Charge Current | 13.4A | / |
| 9 | Standard Discharge Current | 13.4A | / |
| 10 | Max. Discharge Current | 26.8A | |
| 11 | Burst Discharge Current | 40.2A | ≤10s |
| 12 | Discharge Cut-off Voltage | 6V | 3V/Cell |
| 13 | Cycle life | ≥350cycles | Retention: ≥80% |
| 14 | Charge Temperature | 0°C~+45°C | Standard Charge |
| 15 | Discharge Temperature | -20°C ~+60°C | Standard Discharge |
| 16 | Storage Temperature | -20°C~45°C | ≤3 months |
| -20°C~25°C | ≤1 year | ||
| 17 | Weight | About1200 | g |
| 18 | Special Request |
7.2V 26.8Ah 18650 Battery Pack FAQs
Can the pack be made waterproof for ROV or outdoor applications?
Yes, IP67–IP68 waterproofing options are available depending on application needs.
How is the pack protected against deep discharge in long-runtime applications?
The BMS includes low-voltage cutoff to prevent over-discharge during extended use.
What kind of customization can CM Batteries provide for different industries?
We offer full customization on voltage, capacity, connectors, protection boards, casing, and labeling to meet OEM/ODM project requirements.
How do you ensure product consistency in bulk production?
All packs are manufactured with strict quality control and testing, including internal resistance, capacity, and safety checks, to guarantee uniform performance.
Can additional certifications be provided for marine or outdoor use?
Yes, certifications such as UN38.3, IEC62133, or UL can be arranged upon request.
Tailored Customization
Our design team can create custom battery designs for just about any device or machine.
Timely Delivery
Our efficient production and distribution process gets your product delivered in a timely manner.
Quality Guarantee
We stand by our products and guarantee you’ll be happy with your purchase.
