深圳市天珑移动技术有限公司 Shenzhen Tinno Mobile Technology Corp. 承 （ 认 书 电池 类） SPECIFICATION FOR APPROVAL 物料描述 : U303AF 3.85V 2500mAh 锂离子电池/T/VK DESCRIBE: U303AF 3.85V 2500mAh Lithium ion battery /T/VK 物料型号PRODUCTS: LT25H426271W 物料编码 PART NO: P104-BFT004-000 品牌(制造商):维科 BRAND: VEKEN 适用机种 APPLICATION: 日期 DATE:2020 年 4 月 25 日 :宁波维科电池有限公司 供应商 PROVIDER: Ningbo Veken Battery Co., Ltd.
变更履历 2021-5-6 版本 变更时间 V1.0 2020-4-25 页码 变更内容 审核 新版发行 张宇飞 THE COPYRIGHT BELONGS TO TINNO MOBILE TECHNOLOGY CORP.
目录 目录..........................................................................................................................................................................................3 一、 Technical specifications.................................................................................................................................................4 1、 Scope of application 适用范围.....................................................................................................................
一、 Technical specifications 技术规格部分 1、 Scope of application 适用范围 This specification describes the battery's nominal parameters, electrical characteristics, safety performance, environmental adaptability, testing and determination, instructions for use and safety procedures, quality assessment and packaging, marking, storage, transportation, etc. It is suitable for supporting batteries made by weike 386267Ar cell and dongguan yongwei technology co., LTD.
Charging time 8 充电时间 Discharge cut-off voltage 9 Standard charge 标准充电 ≤8Hours Q u i c k charge 快速充电 ≤4.0 Hours 3.0V 放电截止电压 10 Overcharge protection voltage 4.475±0.02V 过充电保护电压 Overdischarge protection voltage 11 2.5±0.035V 过放电保护电压 12 Over discharge current protection 6.0A～ 12.0A 过电流保护 13 14 Output short circuit protection Cancel short circuit load recovery after protection 输出短路保护 保护后撤销短路负载恢复 Working consumption current 6.
When discharge 放电时 0~60℃ 1C constant current discharge to 3V 1C 恒流放电到 3.0V -20~0℃ 0.2C constant current discharge to 3V 0.2C 到 3.0V 17 18 19 20 21 22 23 Storage temperature 贮存温度 -5℃-35℃ recommended 推荐（25 ±5℃） ID resistance 0V charging function 0V 充电功能 Cycle life 循环寿命 Gold plating thickness 五金镀金厚度 Nickel plating thickness 贮存时应充电至容量的 40%~50% 82K ±1% ID 电阻 NTC resistance NTC 电阻. Storage should be charged to 40%~50% of capacity 10KΩ±1% B 值 3435 25℃ 有 400 次≥80%标称容量 ≥0.
According to the battery test standards in this specification, periodic test shall be conducted for first sample certification test of each newly developed project and the project in mass production. Please provide test report according to time nodes described in TINNO's Lithium Ion Battery Certification Standard. 要求供应商对电池进行出厂前测试，测试项包含但不限于本标准中的关键评估项，并在规格书中附加测试结果。 各项测试的测试报告需按照要求格式提供。可靠性测试必须附加测试前后的照片或测试视频。 按照本规范描述的电池测试标准，对于每一个新研发项目的首次签样认证测试和已经量产的项目电池进行周期性 测试。测试报告提供时间节点请参考天珑公司的《锂离子电池认证标准》。 3.
标准充电：即在环境温度为23℃±2℃的条件下,先以恒定电流0.2C5A充电至4.4V,再以4.4V 的恒压充电至电流小于 0.02C5A. 3.4 Quick charging mode 快速充电模式 Quick charging: under 23℃±2℃, battery is charged to 4.4V at a constant current of 0.7C5A, and then is charged at a constant voltage of 4.4V until current is less than 0.02C5A. 快速充电：即在环境温度为23℃±2℃的条件下,先以恒定电流0.7C5A充电至4.4V,再以4.4V的恒压充电至电流小于 0.02C5A. 3.5 Discharge 放电 The cut-of voltage of discharge is 3.0V, the standard discharge current is 0.2C5A, and the maximum constant discharge current is1C 放电终止电压为3.
Low temperature discharge capacity 低温放电容 量 After the battery is fully charged in accordance with the standard charging mode, the battery is placed in a low-temperature box at -10℃±2 ℃ to be stored at this temperature for 4h, and then discharged at 0.2C5 until voltage reaches 3.0V. 电池按照标准充电模式充满电后，将电池放入-10℃±2 ℃的 低温箱中恒温 4h，然后以 0.2C 电流放电至终止电 3.
Room temperature charge retention capacity 常温荷电保 持能力 High temperature charge retention capacity 高温荷电保 持能力 After fully charging in accordance with standard charging mode, the battery is stored for 28 days under 23±5℃. Then, under 23℃±2℃, it is discharged to 3.0V at 0.2C. Recording discharge time T1. Then, the battery was filled in the standard charging mode. Under 23℃±2℃, the battery was discharged from 0.2C to 3.0v. Recording discharge time T2. Checking battery appearance. T1≥4.25h, T2≥4.
Low pressure 低气压 After standard charging, the battery was placed in a vacuum box at an ambient temperature of 23℃±2℃. After the box was closed, the internal pressure was gradually reduced to no more than 11.6kpa. Battery is stored in such environment for 6h. Then it is taken out to be placed in an open circuit for 1h. (simulated altitude of 15240m) 电池标准充电结束后，在 23℃±2℃的环境温度下，将其搁置在真空 箱中，真空箱密闭后，逐渐减少其内部压力至不高于 11.
电池固定在振动台上，进行振动试验，电池经受频率为 10～60Hz， 爆炸；电池内阻变化不超过 10 振幅为 1.6mm，扫频速率为 1oct/min 的扫频振动，在 X、Y、Z 三 mΩ，电压变化不超过 0.1V 个方向上分别扫频 30min；扫频结束后，测量电池的电压、内阻、剩 余容量。 Drop 自由 跌落 Battery is charged according to the standard model and have battery internal resistance and voltage measured. Within 1 h, drop test should begins.The battery is drop form 1200 mm to marble or steel plate. Each side of battery should be dropped 2 times. Then it is stored after 2 h and have test voltage and internal resistance measured.
Short circuit protection 短路保护 PTC protection verification PTC 保护验证 After fully charging, the battery is short circuited through a 0.1Ω resistor for 1 h, then is charged at 1C for 5S. Checking battery appearance. 电池完全充电后，将正负极用 0.1Ω电阻器短路 1h，将正负 极断开后，以 1C 电流瞬时充电 5S，目测电池外观 The battery should not explode, catch fire, smoke or leak. The battery voltage should not be lower than 3.6v 电池应不爆炸,不起火,不冒烟或漏 液.电池电压应不低于 3.6V Short connected MOS tube of battery with PTC.
for 30min. charging)热 冲击（低温充 电池置于 5℃环境下，采用该温度下供应商允许的最大电流充满电后， 电） 放于一个烘箱中加热，烘箱的温度以（5±2℃）/min 的速率上升到 130 ±2℃，保持 30min。 Placing the cell connected with thermocouple in the fume hood, connecting the positive and negative electrodes to a constant current and constant voltage Over charging （3C/4.8V） 过充电 （3C/4.8V） No explosion, no fire, the maximum surface then charging the battery to 3C5 until battery voltage reaches 4.8V and temperature of the current be close to 0A.
8、 List of main materials of battery 电池主要物料清单 8.1 List of main materials of cell 电芯主要物料清单 2021-5-6 THE COPYRIGHT BELONGS TO TINNO MOBILE TECHNOLOGY CORP.
8.2 Material list of PCM 保护板关键物料清单 位号 物料名称 规格型号 R5487L303KM-TR (F) (主 选） Protectio 性能参数 过充检测电压:4.475±0.02V 过放检测电压:2.5±0.035V 过流检测电压: 0.13±0.010V 短路检测电压: 0.3±0.
9、 PCM parameters 保护板参数规格 参 序 号 项 典型值 最小值 最大值 1 过充电保护电压 （V） 4.455 4.475 4.495 2 过充电恢复电压 （V） 4.225 4.275 4.325 3 过放电保护电压 （V） 2.465 2.500 2.535 4 过放电恢复电压 （V） 2.827 2.9 2.973 5 过电流保护（A） 6.0 - 12.0 6 过电流保护电压(mV) 0.12 0.130 0.140 7 过充电延时时间 （ms） 700 1000 1300 14 20 26 8 12 16 9.9 10 10.1 8 过放电延时时间 (ms) 9 过电流延时时间（1）(ms) 10 NTC 电阻(KΩ) ±5%（25°C） 11 工作时电路内部消耗（μA） 13 2021-5-6 数 目 内 阻 （mΩ） / / / / THE COPYRIGHT BELONGS TO TINNO MOBILE TECHNOLOGY CORP.
10、 2D drawing 2D 图纸(TINNO 原图)及电芯图纸、原理图、标贴、爆炸图、包装说明图 10.1 电芯结构图（要求按照模板提供完整信息） 要求按照模板提供电芯半电和满充的厚度，各细节的尺寸标注要完善 2021-5-6 THE COPYRIGHT BELONGS TO TINNO MOBILE TECHNOLOGY CORP.
10.2PCM schematic diagram, layout, physical picture 保护板原理图、layout、实物 图片 PCM schematic diagram 原理图 physical picture 实物正反面照片 Layout ■ TOP 2021-5-6 丝印层 THE COPYRIGHT BELONGS TO TINNO MOBILE TECHNOLOGY CORP.
■ TOP MASK 层 ■ TOP 层线路 ■ 中间 1 层线路 ■ 中间 2 层线路 ■ BOTTOM ■ BOTTOM MASK 层 ■ BOTTOM 层线路 2021-5-6 丝印层 THE COPYRIGHT BELONGS TO TINNO MOBILE TECHNOLOGY CORP.
10.3 Label 标贴 2021-5-6 THE COPYRIGHT BELONGS TO TINNO MOBILE TECHNOLOGY CORP.
10.4 2D Battery drawing 2021-5-6 电池 2D 图纸 THE COPYRIGHT BELONGS TO TINNO MOBILE TECHNOLOGY CORP.
10.5 电池组装图 2021-5-6 THE COPYRIGHT BELONGS TO TINNO MOBILE TECHNOLOGY CORP.
10.6 包装说明图 2021-5-6 THE COPYRIGHT BELONGS TO TINNO MOBILE TECHNOLOGY CORP.
11. 电池标识: 实物图片： 2021-5-6 THE COPYRIGHT BELONGS TO TINNO MOBILE TECHNOLOGY CORP.
