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25.6V40AH-2P8S
Helithtech
Product Description
Voltage: 25.6V
Capacity: 40 ampere-hours (AH)
Configuration: 2P8S
8 batteries connected in series (8S)
Each series group has 2 batteries connected in parallel (2P)
This battery module configuration is commonly used in various applications such as power tools, solar energy storage systems, drones, and more. It offers a balance between voltage and capacity for efficient power supply and energy storage needs.
Battery Cell
| No. | parameter | product specification | condition | |||||||||||||||||||
| 1 | serial parallel mode | 2P8S | / | |||||||||||||||||||
| 2 | voltage capacity | 25.6V/40Ah | / | |||||||||||||||||||
| 3 | length /mm | 195.7± 1.5 | / | |||||||||||||||||||
| 4 | width /mm | 141±1.0 | / | |||||||||||||||||||
| 5 | high /mm | 189±1.5 | / | |||||||||||||||||||
| 6 | weight /kg | 6.5±0.5 | / | |||||||||||||||||||
| No. | project | Specification | Remark | |||||||||||||||||||
| 1 | electrical properties | Nominal voltage /V | 25.6 | / | ||||||||||||||||||
| 2 | Charge cut-off voltage /V | 29.2 | / | |||||||||||||||||||
| 3 | Discharge cut-off voltage /V | 20 | T > 0 ℃ | |||||||||||||||||||
| 4 | 16 | T ≤ 0 ℃ | ||||||||||||||||||||
| 5 | Nominal capacity /Ah | 40 | 0.5C , 25℃±2℃ | |||||||||||||||||||
| 6 | AC internal resistance /mΩ | < 3m Ω | 1000Hz down measurement | |||||||||||||||||||
| 7 | Standard charging current /A | 20 | / | |||||||||||||||||||
| 8 | Standard discharge current /A | 20 | / | |||||||||||||||||||
| 9 | Maximum Continuous Charge Current /A | 30 | / | |||||||||||||||||||
| 10 | Maximum Continuous Discharge Current /A | 72 | ||||||||||||||||||||
| 11 | Maximum pulse discharge current /A | 144 | last 5 S , SOC≥20% | |||||||||||||||||||
| 12 | Charging working temperature /°C | 0 ~50 | ||||||||||||||||||||
| 13 | Discharge working temperature /°C | -20 ~55 | ||||||||||||||||||||
| 14 | storage temperature /°C | -20 ~45 | / | |||||||||||||||||||
| 15 | storage humidity | ≤85% | / | |||||||||||||||||||
| 16 | cycle life | ≥3000 Second-rate (70% Rated Capacity ) | Standard charge and discharge, 25 ± 2 ℃ | |||||||||||||||||||
| 17 | safety performance | Overdischarge, short circuit, extrusion, drop | no fire, no disintegration | / | ||||||||||||||||||
| 18 | Depression, thermal shock, sea immersion Bubbles, high temperature and high humidity | no fire, no disintegration | / | |||||||||||||||||||
| 19 | charging terminal | 3.65V Dynamic differential pressure /mV | 500 | / | ||||||||||||||||||
| 20 | 3.5V Dynamic differential pressure /mV | 300 | / | |||||||||||||||||||
| 21 | 30 Static pressure difference after minutes /mV | 8 | / | |||||||||||||||||||
| 22 | discharge end | 2.6V Dynamic differential pressure /mV | 300 | / | ||||||||||||||||||
| 23 | 2.7V Dynamic differential pressure /mV | 200 | / | |||||||||||||||||||
| 24 | 30 Static pressure difference after minutes /mV | 10 | / | |||||||||||||||||||
| 25 | to ship | module SOC | 50% | / | ||||||||||||||||||
Precautions
Charging:
Use only the recommended charger specifically designed for this battery module.
Follow the manufacturer's guidelines for proper charging voltage and current.
Avoid overcharging, as it can lead to damage or reduced battery life.
Discharging:
Do not discharge the battery beyond its recommended depth of discharge (DOD).
Avoid overloading the battery, as it could cause overheating or damage.
Temperature:
Operate the battery module within the recommended temperature range to prevent overheating or reduced performance.
Avoid exposing the battery to extreme temperatures, as it can affect its capacity and lifespan.
Storage:
Store the battery module in a cool, dry place away from direct sunlight and moisture.
If not in use for an extended period, ensure the battery is stored at a partial charge, typically around 50%, to maintain its health.
Handling:
Handle the battery module with care to prevent physical damage or punctures.
Avoid dropping, crushing, or subjecting the battery to mechanical stress.
Compatibility:
Use the battery module only with devices and systems that are compatible with its voltage and current specifications.
Maintenance:
Regularly inspect the battery for any signs of damage, leakage, or swelling.
If you notice any abnormalities, discontinue use and seek professional assistance.
Ventilation:
Ensure proper ventilation when charging or discharging the battery to prevent heat buildup.
Disposal:
Dispose of the battery module in accordance with local regulations and guidelines.
Do not incinerate or puncture the battery, as it may release harmful chemicals.
Consultation:
If you're uncertain about any aspect of using the battery module, consult the manufacturer's documentation or seek advice from experts.
Remember, following these precautions will help ensure the safe and effective use of the battery module while maximizing its performance and lifespan.
