21700 25.2V 4.9AH Lithium-ion Battery Pack
Product Number:
42DZ001-04
Nominal voltage:
25.2V
Nominal capacity:
4.9Ah
Battery Configuration:
21700-7S1P
Dimension:
165 × 76 × 30 mm
Application:
underwater equipment
SMBUS Communication, SOC Battery Monitoring, Temperature Protection System
Product Overview
Electrical Specifications
| Attribute | Parameter |
|---|---|
| Product Number | 42DZ001-04 |
| Cell Model | 21700 / 3.6V / 4.9Ah |
| Battery Configuration | 21700-7S1P |
| Nominal Voltage | 25.2V |
| Nominal Capacity | 4.9Ah |
| Rated Energy | 123Wh |
| Charging Voltage | 29.4V |
| Discharge Cut-off Voltage | 19.25V |
| Standard Charging Current | ≤2.45A |
| Standard Discharge Current | 5A |
| Max Continuous Discharge Current | 5A |
| Internal Resistance | ≤200mΩ |
Mechanical & Environmental
| Attribute | Parameter |
|---|---|
| Charging Temperature | 0 ~ 45℃ |
| Discharge Temperature | -20 ~ 60℃ |
| Storage Temperature | -20 ~ 45℃ |
| Dimensions | 165 × 76 × 30 mm |
| Weight | 550 g |
| Battery Case | PVC bracket structure |
| Communication Protocol | SMBUS |
| Protection System | Short circuit, overcharge, over-discharge, overcurrent, temperature protection, fuel gauge (SOC) |
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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