
11.1V 15600mAh Lithium Ion Battery Pack
Designed for car refrigerators, this lithium battery supports long-distance travel, camping, and mobile cooling applications. With stable output and high-capacity compact design, it ensures reliable continuous operation in high-load vehicle environments.
| Attribute | Parameter |
|---|---|
| Product Number | 36AQ238-01 |
| Cell Model | 18650 2600mAh / 3.7V |
| Battery Configuration | 18650-3S6P |
| Nominal Voltage | 11.1V |
| Nominal Capacity | 15600mAh |
| Rated Energy | 173.2Wh |
| Charging Voltage | 12.6V |
| Discharge Cut-off Voltage | 8.25V |
| Standard Charging Current | ≤3.12A |
| Standard Discharge Current | ≤10A |
| Internal Resistance | ≤150mΩ |
Mechanical & Environmental
| Attribute | Parameter |
|---|---|
| Charging Temperature | 0~45℃ |
| Discharge Temperature | -20~60℃ |
| Storage Temperature | -20~35℃ |
| Dimensions | 126 × 70.5 × 70mm (MAX) |
| Weight | ≈905g |
| Battery Case | PVC |
| Protection System | Overcharge / Overdischarge / Overcurrent / Short-circuit protection |
Application Background
This battery solution is designed for car refrigerators, widely used in long-distance travel, outdoor camping, and mobile cold-chain applications.
The device requires continuous power supply during driving or parking conditions, demanding strong endurance, stable discharge performance, and compact structure.
Project Challenges
Car refrigerator requires 6–12 hours continuous operation
Compressor start-stop causes instant load fluctuations
Frequent charge-discharge cycles require high cycle life
Limited vehicle space requires strict size and weight control
Customized Battery Solution
11.1V 3S6P configuration: provides stable automotive power output
High capacity 15600mAh: ensures long cooling endurance
Multi-protection system: overcharge, overdischarge, overcurrent, short-circuit protection
Lightweight PVC housing: balances cost and compact structure
Application Results
Supports 8–10 hours continuous operation of car refrigerator
Improved output stability by ~20% under high-load start-stop conditions
Lightweight design enhances portability and installation flexibility
Stable cycle performance extends overall service life
We support flexible customization based on your project requirements, including:
- Voltage range: 3.2V – 72V
- Capacity range: 100mAh – 100Ah
- Electrical performance design: Charge/discharge parameters, C-rate, internal resistance, temperature performance
- Mechanical design: Appearance, dimensions, housing material, and integrated structural engineering
- BMS design: Battery protection, cell balancing, and communication protocols (SMBus / I2C / UART)












