14.8V 10.5Ah Lithium ion 18650 Battery Pack for Diving Light
Designed for professional diving lights where extreme space constraints demand ultra-compact dimensions, our 14.8V 10.5Ah 4S3P 18650 Battery Pack delivers uncompromising performance. Built to sustain high-current discharge (10A continuous) while maximizing runtime, it integrates advanced cell selection and optimized thermal management—ensuring reliable operation under high-pressure conditions. Engineered with precision craftsmanship to dissipate heat effectively in tightly sealed housings, this power solution tackles the core challenges of deep-water battery failure and overheating, empowering your dives with enduring power and safety.
Key features：
- High-Performance Cells :Utilizes premium LG INR18650 MJ1 batteries, delivering exceptional energy density and extended cycle life for reliable operation in demanding diving conditions.
- Stable High-Current Output :Integrated 10A continuous discharge PCB ensures consistent power delivery for high-intensity LED drivers, eliminating performance drop during critical use.
- Space-Optimized Design : Compact 74×56×70mm form factor engineered specifically for integration into pressure-resistant underwater housings where every millimeter matters.
- Diving-Grade Protection :Available with optional waterproof encapsulation and structural reinforcement to withstand deep-water pressure and harsh marine environments.
| No. | Item | Specification | Note |
|---|---|---|---|
| 1 | Nominal Voltage | 14.8V | 3.7V/Cell |
| 2 | Nominal Capacity | 10.5Ah | @0.2C |
| 3 | Minimum Capacity | 10.5Ah | |
| 4 | Shipment Voltage | / | |
| 5 | Initial Internal Impedance | ≤180mΩ | AC 1KHZ |
| 6 | Standard Charge Voltage | 16.8V | 4.2V/Cell |
| 7 | Standard Charge Current | 5.25A | |
| 8 | Max. Charge Current | 10.5A | |
| 9 | Standard Discharge Current | 2.1A | |
| 10 | Max. Discharge Current | 10A | |
| 11 | Burst Discharge Current | 40A | ≤5ms |
| 12 | Discharge Cut-off Voltage | 11V | 2.75V/Cell |
| 13 | Cycle Life | ≥500cycles | Capacity 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 | About650 | g |
| 18 | Special Request |
14.8V 10.5Ah 4S3P 18650 Battery Pack FAQs
Is the battery waterproof and pressure-resistant for deep diving applications?
Yes. The pack features standard IP68-rated waterproof sealing and is available with an optional pressure-resistant casing, specifically engineered to maintain integrity and performance at professional diving depths.
Can it sustain a stable output to drive high-intensity diving lights?
Absolutely. With a robust 10A continuous discharge rating and stable voltage output, it is designed to power high-lumen LEDs consistently, ensuring no noticeable dimming throughout your dive.
Can the battery pack be customized to fit our unique light housing?
Yes. We specialize in customizing the pack’s physical dimensions, terminal placement, and waterproof connector type to seamlessly integrate into your specific underwater light enclosure.
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.
