High-Performance Reliability: Polymer Lithium Ion Battery (12000mAh) 20C 29.6V 8S1P (XT90) Battery Under Strict Testing Norms
Product Specification
Model
(12000mAh) 20C 29.6V 8S1P (XT90)
History of Revision
Contents
- Scope
- Description and Model
- Cell Mechanical Character
- Cell Basic Information
- Cell Performance
- Reliability Test
- Storage Performance
- Period of Warranty
- Handling Instructions
1. Scope
This specification applies to the Lithium Ion Polymer Battery manufactured by Shenzhen New Better Energy Technology Co., Ltd., applied to model aircraft and other products that require high-rate discharge.
2. Description and Model
2.1 Cell Description
Rechargeable Polymer Lithium Ion Battery
2.2 Model Specification
(12000mAh) 20C 29.6V 8S1P (XT90)
3. Cell Mechanical Character
3.1 Outer Dimension
| Item | Dimension |
| Height | ≤184mm |
| Width | ≤76mm |
| Thickness | ≤71mm |
3.2 Appearance
Cell surface without damage, scratches, oil, leakage, and other defects.
4. Cell Basic Information
Unless otherwise specified, the normal test is conducted at a temperature of 25±2°C and humidity ≤85% RH.
| Number | Item | Rating | Note |
| 1 | Capacity | ≥12000mAh | Standard Charge, Standard Discharge |
| 2 | Operating Voltage | 29.6V | |
| 3 | Charging Limit Voltage | 33.6V | |
| 4 | Charging Cut-off Current | 120mA | |
| 5 | Discharge Cut-off Voltage | 24.0V | |
| 6 | Standard Charge | 0.5C (6000mA) | Constant current charge to limit voltage then constant voltage charge to the cut-off current |
| 7 | Standard Discharge | 0.5C (6000mA) | Constant current discharge to the cut-off voltage |
| 8 | Maximum Charge Continue Current | 2C (24A) | |
| 9 | Maximum Discharge Continue Current | (60A) | XT90 Maximum Discharge Continue Current: 60A |
| 10 | Maximum Discharge Peak Current | 45C (540A) ≤2S | |
| 11 | Operating Temperature And Humidity | Charging Temperature: 0 ~ 45°C; Charging Humidity <85% RH Discharging Temperature: -20 ~ 60°C; Discharging Humidity <85% RH |
|
| 12 | Storage Temperature And Humidity | Storage Temperature: -20 ~ 35°C; Storage Humidity <85% RH Storage and Transportation Charge: 40~60% Storage and Transportation Voltage: 29.631.2V |
|
| 13 | Weight | About 2000g |
5.Cell Performance
| Number | Item | Standard | Test Method |
| 1 | Open Circuit Voltage | ≥30.4V (single differential pressure ≤0.015V) | Voltmeter, accuracy is at least ±1%. 50% state of charge after arrival |
| 2 | AC Resistance | ≤22mΩ | Resistance tester, using 1kHz alternating current. 50% state of charge after arrival |
| 3 | Rated Capacity | ≥12000mAh | After standard charge, rest for 10min, standard discharge, recycled three times, when there is a discharge time reaches 120min, can be terminated |
| 4 | High Temperature Discharge | Discharge Time ≥54min Appearance: No significant deformation, no rupture, no leakage |
After standard charge, under the conditions (55 ± 2) °C still four hours, in this condition 1C discharge to 24.0V, recording the discharging time, rest for 2 hours at room temperature, check the battery appearance |
| 5 | Low Temperature Discharge | Discharge Time ≥190min Appearance: No significant deformation, no rupture, no leakage |
After standard charge, at the condition of -20 ± 2 °C storage 24h, then 0.2C discharge to 22.0V, recording the discharging time, rest for 2 hours, check the battery appearance |
| 6 | Cycle Life | Times ≥300 | After standard charge, rest for 10min, 1C discharge to 24.0V, aside 10min; Repeat the above steps until the discharge capacity is 80% of the initial capacity |
6. Reliability Test
| Number | Item | Standard | Test Method |
| 1 | Constant Heat And Humidity Performance | Remaining capacity ≥85% of initial capacity Recovery capacity ≥90% of initial capacity Thickness change ≤10% Resistance change ≤20% Appearance: No significant deformation, corrosion, smoke, or rupture, no leakage, clearly marked |
After standard charge, rest for 10 min, standard discharge to 24.0V. This capacity is the initial capacity; after standard charge, measure and record the battery’s internal resistance and thickness, at the conditions of (40 ± 2) °C and humidity of 90% to 95% rest for 48h, then at the condition of 20 ± 5°C rest for 2h, measuring resistance, observe the appearance; 1C discharge to 24.0V, recording the remaining capacity, then three cycles of 1C current, measuring recovery capacity |
| 2 | Vibration | Voltage change ≤0.3V Resistance change ≤20% Appearance: No significant deformation, no leakage |
After standard charge, measure and record the battery internal resistance and voltage, vibration test was performed within 10min; sweep vibration is 10 ~ 60Hz frequency, 1.6mm amplitude and sweep rate of 1oct/min, sweeping in three directions of X, Y, Z for 30 minutes, after the end of the battery internal resistance and voltage measurements, observe the appearance |
| 3 | High Temperature Storage | Recovery capacity ≥90% of initial capacity At 55 °C full power state storage 7d, observe the battery appearance, no leakage |
After 1C current charge to about 100% capacity, measure and record the battery’s internal resistance and thickness, and then at ambient temperature (55 ± 2) °C conditions open for 7d, after the end of the 20 ± 5°C conditions open for 2h, measure resistance, observe the appearance; 1C discharge to 24.0V, recording recovery capacity |
7. Storage Performance
| Number | Item | Standard | Test Method |
| 1 | Storage Performance | Recovery capacity ≥90% of initial capacity Thickness change ≤10% Resistance change ≤20% |
After standard charge, rest for 10 min, standard discharge to 24.0V. This capacity is the initial capacity; then 1C charge to about 50% of capacity, measure and record the battery’s internal resistance and thickness, and then at ambient temperature in the environment (20 ± 5) °C, relative humidity of 45% to 85% after storage environments 180d, to 0.2C current cycle three times to restore the battery capacity measuring; measure battery internal resistance and thickness |
8. Period of Warranty
The period of warranty is 12 months from the date of shipment.
9. Handling Instructions
Danger!
- Please use the specified charger and charge in accordance with the requirements of the specification.
- Use the battery only in the specified device.
- Do not heat the battery or throw it into the fire.
- Do not use or leave the battery near fire or in cars where temperature exceeds 60 °C, and do not charge and discharge in these environments.
- Do not put the battery into water, and do not wet the battery.
- Do not put the battery with necklaces, hairpins, coins, screws, and other metal items together in a pocket or bag, and do not store the battery together with these items.
- Do not short-circuit the battery positive and negative with a metal conductor.
- Do not reverse positive and negative of battery when loading the device.
- Do not pierce the battery with sharp objects.
- Do not disassemble the battery.
- Do not weld the battery directly.
Warning!
- Do not put the battery in hot utensils, washer, or high-pressure container.
- Do not use the battery with dry batteries or other primary batteries, and do not use the battery with batteries of different packaging, different models, or different brands.
- If the charge within the specified charging time is not over, stop charging.
- Stop using when using, charging, or storing the batteries become hot, emitting odor, discoloration, deformation, or other unusual performance.
- Go away immediately when the battery is leakage or emits unpleasant odors.
- If the electrolyte leaks onto your skin or clothing, wash with water immediately.
- If electrolyte leaks and enters your eyes, do not rub your eyes, wash with clean water and see your doctor immediately.
Appendix 1: Battery Dimensions Figure
MAX 76mm
MAX 71mm
MAX 184mm
Connector
- XT90 8AWG special soft silicone wire
- JST-XH2.54-9P reverse plug 1 red N black 22AWG special soft silicone wire
Label
- Front label
- Back label
Wire Length
- XT90: 100±8mm
- 75±8mm
Wrapping Material
Battery pack wrapped in white PET, blown black PVC
| T (Thickness) | W (Width) | H (Height) | UNIT |
| ≤71 | ≤76 | ≤184 | mm |
