1、适用范围
该产品技术规格书适用于河南中赛能源科技有限公司（简称中赛能源）所制造的WR26600型锂-二氧化硫电池，规定了产品的性能指标、测试方法以及使用的注意事项等内容。
1. Scope of application
The technical specifications of this product are applicable to the WR26600 lithium sulfur dioxide battery manufactured by Henan Cns Energy Technology Co., Ltd. (referred to as Cns Energy), which specifies the performance indicators, testing methods, and precautions for use of the product.
2、产品类型
锂-二氧化硫电池
2. Product type
Lithium sulfur dioxide battery
3、基本特性 Basic characteristics
| 序号Serial # | 项目Items | 特 性Product features | 备 注Remarks |
| 3.1 | 型 号Model | WR26600 | 卷绕式、镀镍冷轧钢壳、全密封结构电池Coiled, nickel plated cold-rolled steel shell, fully sealed structure battery |
| 3.2 | 标称电压Nominal Voltage | 2.9V | |
| 3.3 | 标称容量Nominal Capacity | 4500mAh | (23±3）℃,500mA, 2.0V终止 |
| 3.4 | 最大连续放电电流Maximum continuous discharge current | 1000mA | |
| 3.5 | 最大脉冲放电电流Maximum pulse discharge current | 2000 mA | |
| 3.6 | 工作温度Operation temperature | -40℃～60℃ | |
| 3.7 | 最大外形尺寸Maximum external dimensions | H60.5mm×Φ26.2mm | |
| 3.8 | 参考重量Reference weight | 60g | |
| 3.9 | 平均年自放电率Average annual self discharge rate | ≤2% | (23±3）℃、RH（60±15）%条件下Conditions:(23±3）℃,RH（60±15）% |
| 3.10 | 储存寿命Storage life | 5年5 years |
4.外观与结构
4. Appearance and Structure
4.1 外观
电池喷码完好，包覆喷码区域无金属裸露，各部件无脱落、无划伤、无膨胀、无变形、无腐蚀生锈、无漏液等现象。
4.1 Appearance
The battery marking is intact, with no exposed metal in the area covered by the trademark, and no detachment, scratches, expansion, deformation, corrosion, rust, or leakage of any components.
4.2 结构
WR26600单体电芯采用全密封的封装工艺，确保其良好的密封性，电池正负极可以采用焊片、引线及插座等方式引出，以方便用户使用。
该型号电池有安全泄放装置保护。为了进一步电池提高安全性，该型号电池安装有PTC安全保护装置。
4.2 Structure
The WR26600 single cell battery adopts a fully sealed packaging process to ensure its good sealing performance. The positive and negative poles of the battery can be led out through soldering, leads, sockets, and other methods to facilitate user use.
This model of battery is protected by a safety discharge device. In order to further improve the safety of the battery, this model of battery is equipped with PTC safety protection device.
5、电池性能、安全与环境适应性测试
5. Battery performance, safety, and environmental adaptability testing
5.1 外观与尺寸检验
目视检查电池外观。电池外观应整洁、标识清晰、无划伤变形、无生锈、无漏液现象。检验水平Ⅱ，AQL值1.0。
使用游标卡尺（精度0.02mm）检测电池外形尺寸，电池各尺寸应符合要求。检验水平S-1，AQL值1.0。
5.1 Appearance and Dimensional Inspection
Visually inspect the appearance of the battery. The appearance of the battery should be clean, with clear markings, no scratches or deformations, no rust, and no leakage. Test Level II, AQL value is 1.0.
Use a vernier caliper (accuracy 0.02mm) to measure the external dimensions of the battery, and ensure that all dimensions of the battery meet the requirements. Inspection level S-1, AQL value is 1.0.
5.2 电池性能测试
5.2 Battery performance testing
5.2.1 电性能典型值
5.2.1 Typical values of electrical performance
| 项 目Items | 测试条件及方法Testing conditions and methods | 标称值Nominal value |
| 开路电压Open circuit voltage | (23±3）℃，使用数字电压表测量(23 ± 3) ℃, measured using a digital voltmeter | 2.9V～3.0V |
| 负载电压Load voltage | (23±3）℃，1000mA，5s内，使用数字电压表测量(23 ± 3) ℃, measured using a digital voltmeter | ≥2.0V |
| 放电容量1Discharge capacity 1 | (23±3）℃，100mA, 2.0V终止Termination at (23 ± 3) ℃, 100mA, 2.0V | 5000mAh/50h |
5.2.2 电池电压判定依据
电池开路电压、负载电压检验，抽样方案按GB2828.1.2.12进行。检验水平Ⅱ，AQL值0.065。或与客户相互协商确定。
5.2.2 Basis for determining battery voltage
The open circuit voltage and load voltage of the battery shall be inspected according to the sampling plan specified in GB2828.1.2.12. Test Level II, AQL value is 0.065. Or mutually negotiate with the customer to determine.
5.2.3 电池容量判定依据
当电池平均放电容量不低于所规定的放电容量标称值，且低于标称值90%的电池数为0时，判定电池容量合格。
当电池平均放电容量低于所规定的放电容量标称值，或低于标称值90%的电池数大于0时，重新抽取样品进行测试；若电池平均放电容量不低于所规定的放电容量标称值，且低于标称值90%的电池数为0时，判定电池容量合格。
若第二次测试中电池平均放电容量低于所规定的放电容量标称值，或低于标称值90%的电池数为大于0时，判定电池容量不合格。
5.2.3 Basis for determining battery capacity
When the average discharge capacity of the battery is not lower than the specified nominal discharge capacity, and the number of batteries that are 90% lower than the nominal value is 0, the battery capacity is judged to be qualified.
When the average discharge capacity of the battery is lower than the specified discharge capacity nominal value, or when the number of batteries that are 90% lower than the nominal value is greater than 0, re sample for testing; If the average discharge capacity of the battery is not lower than the specified discharge capacity nominal value, and the number of batteries that are 90% lower than the nominal value is 0, the battery capacity is judged to be qualified.
If the average discharge capacity of the battery in the second test is lower than the specified discharge capacity nominal value, or if the number of batteries that are 90% lower than the nominal value is greater than 0, the battery capacity is judged to be unqualified.
5.3 安全性能
5.3 Safety Performance
5.3.1 外部短路
电池正、负极采用阻值 < 0.1Ω的导线短接，直至电池完全放电，或壳体温度重新降至室温停止，观察实验结果。
合格判定：电池不燃烧、不爆炸，允许泄放。
5.3.1 External short circuit
The positive and negative electrodes of the battery are short circuited with wires with a resistance value of less than 0.1 Ω until the battery is completely discharged or the shell temperature drops back to room temperature, and the experimental results are observed.
Qualification judgment: The battery does not burn or explode, and is allowed to be discharged.
5.3.2 热滥用试验
电池试验时，先进行90℃加热，再进行149℃加热。
将试验电池放入加热炉内，将炉温以5℃/min的速度升温至90 ℃，恒温2 h后，打开加热炉观察电池加热结果、有无异常现象；再将炉温以5℃/min的速度升温至149 ℃，恒温2 h后，待加热炉温度降至常温后取出电池观察试验结果。
合格判定 ：90℃时，电池允许变形、肿胀，电池不漏液、不泄放；149℃时，电池允许从安全装置处泄放，不燃烧、不爆炸。
5.3.2 Thermal abuse test
During battery testing, first heat up to 90 ℃ and then heat up to 149 ℃.
Place the test battery into the heating furnace, raise the furnace temperature to 90 ℃ at a rate of 5 ℃/min, and maintain the constant temperature for 2 hours. Then, turn on the heating furnace and observe the heating results of the battery for any abnormalities; Then raise the furnace temperature to 149 ℃ at a rate of 5 ℃/min, maintain the temperature for 2 hours, and after the heating furnace temperature drops to room temperature, remove the battery and observe the test results.
Qualification judgment: At 90 ℃, the battery is allowed to deform and swell, and the battery does not leak or discharge; At 149 ℃, the battery is allowed to discharge from the safety device without burning or exploding.
5.4 环境适应性
5.4 Environmental adaptability
5.4.1 温度冲击试验
将电池放入试验箱，进行以下热循环试验：
a）电池放入试验箱中，箱内温度调节为-40℃，箱内温度达到-40℃±3℃，恒温保持2h；
b）电池在5min内转移到温度为70℃±3℃的试验箱中，恒温保持2h；
c）重复a至b的操作，电池进行温度循环4次；
d）以上循环结束后，电池在25℃±3℃室温环境至少保持2h；
试验结束后，检测外观及开路电压。
合格判定：电池开路电压正常，不燃烧、不爆炸、不泄漏。
5.4.1 Temperature impact test
Place the battery in the test chamber and conduct the following thermal cycling test:
a） The battery is placed in the test chamber, and the temperature inside the chamber is adjusted to -40 ℃. The temperature inside the chamber reaches -40 ℃± 3 ℃ and is maintained at a constant temperature for 2 hours;
b） The battery is transferred to a test chamber with a temperature of 70 ℃± 3 ℃ within 5 minutes and kept at a constant temperature for 2 hours;
c） Repeat operations a to b, and cycle the battery temperature 4 times;
d） After the above cycle is completed, the battery should be kept at room temperature of 25 ℃± 3 ℃ for at least 2 hours;
After the experiment is completed, check the appearance and open circuit voltage.
Qualification assessment: The open circuit voltage of the battery is normal, and it does not burn, explode, or leak.
5.4.2 振动
将电池固定在振动平台上，施加振幅0.8mm（双振幅1.6mm），频率变化率为1Hz/min，频率范围（10～55）Hz，往返振动95min±5min。
电池做轴向和径向两个方向的振动，每次振动结束后取下电池，检测外观并测量电池开路电压。
合格判定：电池开路电压正常，不燃烧、不爆炸、不泄漏。
5.4.2 Vibration
Fix the battery on the vibration platform, apply an amplitude of 0.8mm (double amplitude 1.6mm), a frequency change rate of 1Hz/min, a frequency range of (10-55) Hz, and oscillate back and forth for 95 minutes ± 5 minutes.
The battery vibrates in both axial and radial directions. After each vibration, remove the battery, inspect its appearance, and measure its open circuit voltage.
Qualification assessment: The open circuit voltage of the battery is normal, and it does not burn, explode, or leak.
5.4.3 冲击
将电池固定在冲击试验台上，冲击加速度在最初3ms内最低平均加速度达到735m/s2（75g），峰值加速度为1225 m/s2～1715 m/s2（125g～175g） 。电池应在轴向和径向两个方向各进行一次等幅冲击试验，试验结束后，测量电池开路电压，观察试验结果。
合格判定：电池开路电压正常，不燃烧、不爆炸、不泄漏。
5.4.3 Impact
Fix the battery on the impact test bench, with a minimum average acceleration of 735m/s2 (75g) and a peak acceleration of 1225 m/s2 to 1715 m/s2 (125g to 175g) within the first 3ms of impact acceleration. The battery should undergo equal amplitude impact tests in both axial and radial directions. After the test is completed, measure the open circuit voltage of the battery and observe the test results.
Qualification assessment: The open circuit voltage of the battery is normal, and it does not burn, explode, or leak.
5.4.4 跌落
将电池放入试验箱，电池分别在-30℃和55℃贮存4h后，在10min内将电池从76cm±5cm高度落下跌至坚硬的混凝土地面，各跌落一次，共计两次，该电池为圆柱形，圆柱体轴向与地面平行。
试验结束后，测量电池开路电压，观察试验结果。
合格判定：电池开路电压正常，不燃烧、不爆炸、不泄漏。
5.4.4 Drop test
Place the battery in the test chamber and store it at -30 ℃ and 55 ℃ for 4 hours. Within 10 minutes, drop the battery from a height of 76cm ± 5cm to a hard concrete ground, once each time, for a total of two times. The battery is cylindrical in shape, with its axis parallel to the ground.
After the experiment is completed, measure the open circuit voltage of the battery and observe the test results.
Qualification assessment: The open circuit voltage of the battery is normal, and it does not burn, explode, or leak.
5.4.5 低气压
将电池放入低气压试验箱内，使其压力为11.6kPa，温度恒定为25℃±2℃，贮存6小时，观察试验结果。
试验结束后，测量电池开路电压，观察试验结果。
合格判定：电池开路电压正常，不燃烧、不爆炸、不泄漏。
5.4.5 Low pressure
Place the battery in a low-pressure test chamber with a pressure of 11.6kPa and a constant temperature of 25 ℃± 2 ℃, store for 6 hours, and observe the test results.
After the experiment is completed, measure the open circuit voltage of the battery and observe the test results.
Qualification assessment: The open circuit voltage of the battery is normal, and it does not burn, explode, or leak.
6、商标与标志
电池的商标和标志应保持清晰、不脱落、无明显色差。
商标：电池的商标包括电池型号、标称电压、生产日期代码、安全警告等内容。
极端标记：标记在电池侧面，用“+”“-”分别表示电池的正负极端。
6. Trademarks and logos
The trademark and logo of the battery should be kept clear, not detached, and have no obvious color difference.
Trademark: The trademark of a battery includes the battery model, nominal voltage, production date code, safety warning, and other related information.
Terminal marking: marked on the side of the battery, using “+” and “-” to represent the positive and negative terminals of the battery.
7、安全注意事项
7.1 使用前，不得将电池从原始包装中取出。
7.2 不要随意放置电池，防止短路。
7.3 严禁在允许的温度范围之外使用或加热。
7.4 严禁对电池进行充电、短路。
7.5 严禁与其他厂家、其他型号或其他类型电池混用。
7.6 严禁将新旧电池搭配使用，对电池进行串并联应与我公司联系。
7.7 严禁拆卸和解剖电池，严禁过放电、挤压、焚烧。
7.8 严禁将正负极与用电设备反接使用。
7.9 严禁直接在电池表面使用烙铁焊接或接触其他高温物件。
7.10 严禁将电池投入水中，或未做防护的条件下在潮湿环境中使用或储存。
7.11 严禁电池在设备中使用时未设置截止电压点的情况下过度使用，达到截止电压点后需立即从设备中拆除，防止有电流工作深度放电。当长期不用时，要将电池从设备中取出。
7.12 在使用或储存期间如发现电池有发热、散发气味、变色、变形或其他异常之处请停止使用。
7.13 使用过的电池应按照当地环保规定处理。
7.14 电池内部如有液体溅到皮肤、眼睛及衣服上，立即用大量清水冲洗，再立即就医处理。
7. Safety precautions
Before use, do not remove the battery from its original packaging.
7.2 Do not place batteries randomly to prevent short circuits.
7.3 It is strictly prohibited to use or heat outside the allowed temperature range.
7.4 It is strictly prohibited to charge or short-circuit the battery.
7.5 It is strictly prohibited to mix with batteries from other manufacturers, models, or types.
7.6 It is strictly prohibited to use new and old batteries in combination. For series or parallel connection of batteries, please contact our company.
7.7 It is strictly prohibited to disassemble and dissect batteries, and over discharge, compression, and incineration are strictly prohibited.
7.8 It is strictly prohibited to use the positive and negative poles opposite to the electrical equipment.
7.9 It is strictly prohibited to use a soldering iron directly on the surface of the battery or to come into contact with other high-temperature objects.
7.10 It is strictly prohibited to put batteries into water or use or store them in damp environments without protection.
7.11 It is strictly prohibited to overuse batteries in equipment without setting a cut-off voltage point. After reaching the cut-off voltage point, they must be immediately removed from the equipment to prevent deep discharge due to current operation. When not in use for a long time, the battery should be removed from the device.
7.12 If the battery generates heat, emits odor, changes color, deforms, or has other abnormalities during use or storage, please stop using it.
7.13 Used batteries should be disposed in accordance with local environmental regulations.
If liquid leaking from the cells gets into your eyes,or onto skins,clothes,immediately rinse with plenty of water and seek medical attention immediately.
8、储存
8.1 电池应在远离静电的场所使用和储存。
8.2 电池应储存在温度不超过30℃，相对湿度45%～75%的环境中，较高的温度储存对电池容量及启动时的负载电压会有影响。
8.3 电池储存时要远离热源，也不能置于阳光直射的地方，不与腐蚀性物质接触，保证清洁、凉爽、干燥、通风，并不受气候影响。
8.4 电池的堆放高度取决于包装强度，一般规定，纸质包装箱堆放高度不得超过1.5米，木箱不超过3米。
8.5 电池以原包装存放和陈列电池，去掉包装后电池不能乱堆放，易引起电池短路和损坏。
8. Storage
8.1 Batteries should be used and stored in a place away from static electricity.
8.2 The battery should be stored in an environment with a temperature not exceeding 30 ℃ and a relative humidity of 45% to 75%. Storing at higher temperatures may affect the battery capacity and load voltage during startup.
8.3 When storing batteries, they should be kept away from heat sources and not placed in direct sunlight. They should not come into contact with corrosive substances, and should be kept clean, cool, dry, ventilated, and not affected by climate.
The stacking height of batteries depends on the packaging strength. Generally, the stacking height of paper packaging boxes should not exceed 1.5 meters, and wooden boxes should not exceed 3 meters.
8.5 Batteries should be stored and displayed in their original packaging. After removing the packaging, the batteries should not be stacked randomly, as it may cause short circuits and damage to the batteries.
9、运输
9.1 电池在运输过程中，应避免日晒、火烤、雨淋、水浸及与腐蚀性物质放在一起。
9.2 运输和装卸中的冲击、震动应限制在最小程度。
9.3 对于纸质的包装箱堆放高度不得超过1.5米。
9.4 电池长途运输时，如是船运，应放在远离发动机的地方；夏季不应该长期滞留在不通风的环境内。
9. Transportation
9.1 During transportation, batteries should be protected from direct sunlight, fire, rain, water immersion, and can’t be placed together with corrosive substances.
9.2 The impact and vibration during transportation and loading/unloading should be minimized.
9.3 The stacking height of paper packaging boxes shall not exceed 1.5 meters.
When transporting batteries for long distances, such as by sea, they should be placed away from the engine; Summer should not be prolonged in an unventilated environment.
10、使用建议
电池适合在环境温度相对阴凉的位置使用，当在高温高湿环境下长期使用，使用寿命会下降。
10. Usage suggestions
Batteries are suitable for use in relatively cool and shady environments. When used in high temperature and high humidity environments for a long time, their service life will decrease.
11、重要提示
11.1 由于电压滞后为锂-二氧化硫电池的基本特性，3个月未装机的电池建议有必要进行激活处理，激活方案请咨询河南中赛能源科技有限公司。
11.2 在实际应用中，客户有责任确认和保证电池与装置的匹配性和可靠性。
11.3 在以下任何情况下，河南中赛能源科技有限公司将不承担任何责任：客户未能适当处理、操作、安装、测试、维护、检测电池，或者未能遵循本规格书提供的指示、注意事项，以及河南中赛能源科技有限公司其他的说明和建议。
11. Important Notice
11.1 Due to voltage lag being a fundamental characteristic of lithium sulfur dioxide batteries, it is recommended to activate batteries that have not been installed for 3 months. For activation plans, please consult Henan Cns Energy Technology Co., Ltd.
11.2 In practical applications, customers are responsible for confirming and ensuring the compatibility and reliability of batteries and devices.
11.3 In any of the following circumstances, Henan Cns Energy Technology Co., Ltd. shall not be held responsible: if the customer fails to properly handle, operate, install, test, maintain, or inspect the battery, or fails to follow the instructions and precautions provided in this specification, as well as other instructions and recommendations from Henan Cns Energy Technology Co., Ltd.
12、声明
若对本产品技术规格书有疑问，请与河南中赛能源科技有限公司联系，河南中赛能源科技有限公司保留对本产品技术规格书更改的权利。
12. Declaration
If you have any questions about the technical specifications of this product, please contact Henan Cns Energy Technology Co., Ltd. Henan Cns Energy Technology Co., Ltd. reserves the right to modify the technical specifications of this product.
附图1 电池常温（23℃）放电特性曲线图
Figure 1 Discharge characteristic curve of battery at room temperature (23 ℃)
附图2 电池外形尺寸图
Figure 2: Outline Dimensions of the Battery
