5100mAh 3.6V Lithium-ion Battery
Product Number:
08DQ0001-04
Nominal voltage:
3.6V
Nominal capacity:
5100mAh
Battery Configuration:
18650-1S2P
Dimension:
68 × 38 × 23 mm
Application:
Bluetooth Speaker
High Capacity, Long Cycle Life, Stable Output
Product Overview
Electrical Specifications
| Parameter | Value |
| Battery Model | 08DQ0001-04 |
| Cell Type | 18650-2550mAh-3.6V |
| Battery Configuration | 18650-1S2P |
| Nominal Voltage | 3.6V |
| Nominal Capacity | 5100mAh |
| Rated Energy | 18.36Wh |
| Charging Voltage | 4.2V |
| Discharge Cut-off Voltage | 2.8V |
| Charging Current | ≤2.4A |
| Discharge Current | ≤2.4A |
| Internal Resistance | ≤120mΩ |
Mechanical & Environmental
| Parameter | Value |
| Dimensions | 68 × 38 × 23 mm (Max) |
| Weight | 100g |
| Material | Blue PVC heat shrinkable film |
| Charging Temperature | 0 ~ 45℃ |
| Discharge Temperature | -20 ~ 60℃ |
| Storage Temperature | -20 ~ 35℃ |
| Communication Protocol | None |
| Protection Rating | Not specified |
| Protection System | Short circuit / Overcharge / Overdischarge / Overcurrent / ESD protection |
Application Background
This battery solution is designed for Bluetooth speakers and other portable audio devices, suitable for home entertainment, outdoor use, and mobile playback scenarios.
Bluetooth speakers require long continuous playback while maintaining stable output performance, demanding strong battery endurance, stable discharge capability, and high safety reliability. At the same time, compact device structures require strict control of size and weight.
Project Challenges
- Requires 6–10 hours of continuous music playback with high capacity demand
- Audio power fluctuations may cause voltage instability during peak loads
- Frequent charge/discharge cycles require strong cycle life performance
- Limited internal space requires compact size and lightweight design
Customized Battery Solution
- 18650 1S2P configuration: 5100mAh capacity ensures long runtime with compact structure
- Stable output design: supports up to 2.4A charge/discharge current for audio power demands
- Compact and lightweight structure: approx. 100g, improving portability and integration
- Multiple protection system: overcharge, overdischarge, overcurrent, short circuit, and ESD protection ensure safe operation
Application Results
- Supports 6–10 hours of continuous playback for daily use scenarios
- Stable output reduces voltage fluctuation and improves audio performance stability
- Lightweight design enhances portability and user experience
- Reliable cycle performance extends overall device lifespan
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)
Get a Custom Battery Solution
Tell us about your project needs. Our engineers will provide a tailored battery solution and quotation within 24 hours.
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