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VB NiMH G size 25000mAh 1.2V G size

VB NiMH G size 25000mAh 1.2V G size

VB NiMH G size 25000mAh 1.2V G size

Product catalog summary
Introduction
This document is the product specification for the Ni-MH G25000P - 1.2V rechargeable battery produced by Dongguan Victory Battery Technology Co., Ltd. The manufacturer reserves the right to alter the design, model, and specifications without prior notice.

Model and Appearance
The model number is Ni-MH G25000P - 1.2V. The battery should not exhibit discoloration, electrolyte leakage, or zero voltage.

Specifications
  • Nominal Voltage: 1.2V
  • Typical Capacity: 62 minutes at 1C discharge to 1.0V
  • Nominal Capacity: 25000 mAh with standard charge/discharge
  • Minimum Capacity: 58 minutes at 1C discharge to 1.0V
  • Standard Charge: 2500mA (0.1C) for 11.5 hours
  • Fast Charge: 5000mA (0.2C) with charge termination control
  • Maximum Discharging Current: 50A continuous, 100A momentary
  • Storage Temperature: -20 to +25°C (within 1 year)
  • Typical Weight: Approximately 435 grams


Performance Tests
Before testing, cells should be discharged at 0.2C to 1.0V. Tests should be conducted within one month of delivery under specified conditions. Key tests include:
  • Capacity: Minimum 300 minutes at 0.2C discharge to 1.0V
  • Open Circuit Voltage: ≥1.32V within 1 hour after standard charge
  • Internal Impedance: ≤3.0 mΩ after full charge
  • Low Temperature Discharge: Minimum 270 minutes at 0±2°C
  • Overcharge: No significant deformation or leakage after 0.05C charge for 48 hours
  • Self-discharge: Minimum 180 minutes after 28 days of storage
  • IEC Cycle Life Test: Minimum 500 cycles
  • Humidity Test: No leakage after 14 days at 33±3°C and 80±5% relative humidity
  • Short Circuit Test: No fire or explosion
  • Safety Valve Test: No explosion
  • Free Fall Test: Voltage and impedance changes within acceptable limits after drop


Precautions
To ensure safety, follow these precautions:
  • Charge batteries before use.
  • Use the correct charger for Ni-Cd or Ni-MH batteries.
  • Do not reverse charge, short circuit, incinerate, or mutilate batteries.
  • Store batteries in a cool, dry place.
  • Do not mix different brands or types of batteries.
  • Ensure proper ventilation to prevent hydrogen gas buildup.
  • Disconnect batteries from devices when not in use.


Endurance in Cycles
Before testing, discharge the cell at 0.2 1tA to 1.0V. The endurance test involves cycles of charging and discharging under controlled conditions. The test is complete when two successive cycles result in a discharge duration of less than 3 hours, with a minimum of 500 cycles required.
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Catalog excerpts

VB NiMH G size 25000mAh 1.2V G size-1

东莞市伟博电池科技有限公司 产品规格书Product Specification 东莞伟博镍氢电池规格书 VICTORY NIMH BATTERIES SPECIFICATIONS Manufacturer reserve the right to alter or amend the desight, model and specification without prior notice

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VB NiMH G size 25000mAh 1.2V G size-2

东莞市伟博电池科技有限公司 产品规格书Product Specification 型号Model No.Ni-MH G25000P - 1.2V 典型特征 Typical characteristics 标准充电特征 Standard charge Charge: 0.1C ×15hrs. characteristics 高 Height 大约重量 Weight(Approximately) 电阻 Internal Impedance At 1000 Hz charge time (hours) 快速充电特征 Rapid charge characteristics 放电特征 Discharge characteristics charge time (hours) with tube) 环境温度 Ambient 标称电压 Nominal voltage 单颗电池规格 Specifications of single cell 1C Discharge capacity (minutes) Nominal capacity (%) 寿命特征图 Cycle life characteristics 备注 Note: 标称容量是指 20℃时 0.2C 放电容量 Nominal capacity, rated at 0.2C 20℃. 2. 重量作为参考 Weight For reference....

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VB NiMH G size 25000mAh 1.2V G size-3

东莞市伟博电池科技有限公司 产品规格书Product Specification 1. 序言 PREFACE 此规格书适用于东莞市伟博电池科技有限公司的镍氢可充电电池产品 The specification is suitable for the performance of NI-MH rechargeable battery produced by the DONGGUAN VICTORY BATTERY TECHNOLOGY CO., LTD. 3. 外观 APPEARANCE 没有类似变色、污点、电解液泄漏和零伏现象。 There shall be no such details as discoloration or electrolyte leakage or 0voltage. 标称电压 Nominal Voltage 典型容量 Typical Capacity 标称容量 Nominal Capacity 最小容量 Minimum Capacity 5000(0.2C) 用充电控制 with charge termination control 涓流充电 Trickle Charge 最大放电电流 Maximum Discharging Current 标准充电 Standard Charge 快速充电 Fast Charge 贮藏温度 Storage Temperature...

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VB NiMH G size 25000mAh 1.2V G size-4

东莞市伟博电池科技有限公司 产品规格书Product Specification 性能测试 PERFORMANCE 在进行下例各项测试前每颗电池应用 0.2C 放至 1.0V。如果没有特别规定测试应在电池交付 1 个月内按以下各项 条件进行 Before proceed the following tests, the cells should be discharged at 0.2C to 1.0V cutoff. Unless otherwise stated, tests should be done within one month of delivery under the following conditions: 环境温度 Ambient temperature: 20℃±5℃ 相对湿度 Relative Humidity: 注意标准充放电为 Note Standard Charge/Discharge Conditions: 充电 Charge: 放电 Discharge: 5000mA(0.2C) to 1.0V/cell 测试项目 Test 标准充电后 1 个小时内 Within 1 hr after standard charge 充满电后用 1kHz 测试 Upon fully charge at 1kHz 标准充电后贮藏在 0±2℃环境中 24 小时...

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VB NiMH G size 25000mAh 1.2V G size-5

东莞市伟博电池科技有限公司 产品规格书Product Specification 短路测试 External Short Circuit 安全阀测试 Safety Device Operation 自由跌落测试 Free falling(drop) 不着火不爆炸 No fire and no explosion 标 准 充 电 后 在 20 ℃ ± 5 环 境 中 用 超 过 0.75mm2 金属丝将单颗电池短路至电池恢 复到常温。 After standard charge, short-circuit the cell at 20 ℃ ± 5 ℃ until the cell temperature returns to ambient temperature.(cross section of the wire or connector should be more than 0.75mm2) 将电池用 0.2C 强迫放电至 0V 后转用 1C 强 迫放电 60 分钟。 Forced discharge at 0.2C to a final voltage of 0V,then the current be increased to 1C and forced discharge continue for 60 min 电池电解液泄漏 和电池变型是可 接受的。 Leakage...

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VB NiMH G size 25000mAh 1.2V G size-6

东莞市伟博电池科技有限公司 产品规格书Product Specification 6. 不要将电池短路,那可能永久的损坏电池。 Do not short circuit batteries, permanent damage to batteries may result. 7. 不要燃烧或毁坏电池, 可能导致有毒气体释放或爆炸. Do not incinerate or mutilate batteries, may burst or release toxic material. 8. 不要直接对电池进行焊接. Do not solder directly to cells or batteries. 9. 不要让电池处于不利环境中比如极端的温度深度循环或者经常过充/过放电 Do not subject batteries to adverse condition such as extreme temperature, deep cycling and excessive overcharge/overdischarge. 10. 将电池贮存在阴凉干燥处. Store batteries in a cool dry place. 11. 不要将 VB power 电池与其他品牌的电池或者不同种类的电池比如碱性锌电池混用. Do not mix VB power batteries...

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VB NiMH G size 25000mAh 1.2V G size-7

东莞市伟博电池科技有限公司 产品规格书Product Specification Never put a battery into water or seawater. 23. 经过长时间存放电池应每三个月进行一次充放电. During long term storage, battery should be charged and discharged once every half a year. 24. 不要尝试分离挤压撞击电池电池会发热或起火.电池中的碱液对皮肤和眼睛有害而且会损伤衣服. Do not attempt to take batteries apart or subject them to pressure or impact. Heat may be generated or fire may result. The alkaline electrolyte is harmful to eyes and skin, and it may damage clothing upon contact. 25.要使电池远离儿童. 如发现吞食立即联系医生. Keep away from children. If swallowed, contact a physician at once. 7.补充: IEC61951 4.4 循环寿命条款 在进行循环测试前电池应 0.2...

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