22.2V 2Ah Lithium Ion Battery Pack with 300 Cycles
OiD2Ah-22.2 22.2V 2Ah Lithium Ion Battery Pack 5A 300Cycle
Product Name
Lithium-Ion Battery Pack (Li-ion)
Advantages
- High Safety: Passes rigorous vibration, high-temperature, and short-circuit tests (no fire/explosion).
- Long Cycle Life: 300+ cycles at 60%DOD (based on 0.5C charge/discharge at 20±5℃).
- Wide Temperature Range: Operates from -20°C to 60°C (-4°F to 140°F).
- Efficient Design: Internal optimized cell arrangement for compactness and performance.
- Eco-Friendly: Lead-free and recyclable design.
Specifications
|
Parameter |
Value |
Unit |
Comments |
|
Model |
OiD2Ah-22.2 |
- |
6S1P Li-ion battery pack |
|
Nominal Voltage |
22.2V |
DC |
6S series connection (3.7V/cell). |
|
Rated Capacity |
2Ah |
@0.5C |
Based on 20±5℃ testing. |
|
Standard Charge Current |
0.5A |
@CC/CV |
Charges to 25.5V±0.15V (adapter output: 27V/0.5A). |
|
Standard Discharge Current |
5A |
@CC |
Discharges to 16.5V±0.15V (20±5℃). |
|
Max Charge Current |
0.5A (0–45℃) |
@CC |
Up to 25.5V (constant voltage phase). |
|
Max Discharge Current |
5A (-20–60℃) |
@CC |
Min discharge voltage: 16.5V/cell. |
|
Terminal Configuration |
Red UL3239AWG14 (+), Black UL3239AWG14 (-) |
Connector Type |
High-current terminals for robust connections. |
|
Internal Resistance |
≤250mΩ |
@1kHz |
Ensures efficient energy delivery. |
|
Weight |
Approximately 430g |
Including enclosure and wiring. |
|
|
Dimensions |
TBD (Based on two-row internal layout) |
Optimized for space efficiency. |
Cycle Life
|
Test Conditions |
Cycle Count |
Capacity Retention |
Standard |
|
20±5℃, 0.5C charge + 5A discharge |
300 cycles |
≥60% initial capacity |
IEC 61434 (equivalent) |
Typical Discharge Profile:
- Voltage Stability: Maintains 22.2V plateau at 0.5C discharge (20±5℃).
- High-Rate Discharge: Voltage drops to 16.5V within 40 minutes at 5A (20±5℃).
- Low-Temperature Performance: Capacity retains ≥70% at -10℃ (per safety tests).
Operating Temperature Range
|
Category |
Operating Range |
Unit |
Standard Compliance |
|
Charge Temperature |
0°C – 45°C |
℃ |
GB/T 31486-2015 |
|
Discharge Temperature |
-20°C – 60°C |
℃ |
GB/T 31486-2015 |
|
Storage Temperature |
-20°C – 45°C |
℃ |
≤12 months (30% SOC) |
Certifications
- China National Standards: GB/T 31486-2015 (Li-ion battery testing).
- Safety Compliance: Passes vibration, high-temperature, and short-circuit tests (per GB/T 31485-2015).
Key Features
- Material: Stable Li-ion chemistry with no thermal runaway risk.
- BMS Integration: Multi-level protection (overcharge, over-discharge, overcurrent, temperature).
- Internal Structure: Two-row cell arrangement for compactness and performance optimization.
- Customizable: Ideal for solar energy systems, home backup power, and industrial applications.
BMS Specifications
|
Function |
Threshold |
Delay Time |
Action |
|
Overcharge Detection |
4.25V ±0.025V |
2 seconds |
Cut-off + auto-recovery. |
|
Overdischarge Detection |
2.75V ±0.025V |
2 seconds |
Cut-off + auto-recovery. |
|
Overcurrent Protection |
15A ±2A |
0.8 seconds |
Fusing + load removal. |
|
Temperature Protection |
Charge: 51±2℃ |
5 seconds |
Cut-off + auto-recovery when temp returns. |
Applications
- Solar Power Systems
- Residential Energy Storage
- Industrial Backup Systems
- Electric Vehicle Auxiliary Power Units
- Marine/Offshore Applications
Usage Warnings & Precautions
- ❗ Avoid overcharging (>25.5V) or deep discharging (<16.5V/cell).
- ❗ Operate only within specified temperature ranges (-20°C to 60°C).
- ❗ Use certified chargers and avoid short circuits.
- ❗ Store in dry, ventilated areas (≤45°C, 60% RH).
Storage Guidelines
- Short-Term: ≤1 month at 50% SOC, 20–25°C.
- Long-Term: ≤12 months at 30% SOC, -20–45°C (recharge every 6 months).
- Avoid: Direct sunlight, extreme humidity, or physical impacts.
Warranty & Disclaimer
- Warranty Period: 12 months from shipment or 300 cycles, whichever comes first.
- Coverage: Defects caused by manufacturing errors.
- Exclusions: Damage from misuse, improper storage, or operation outside specifications.
Get in Touch
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