- Rechargeable Batteries[2]
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- Contact Person : Ms. Lee Lily
- Company Name : CEIEC Sichuan Hualong Co., Ltd.
- Tel : 86-28-84388916
- Fax : 86-28-84315645
- Address : Sichuan,Chengdu,No.48, Sec.2 Yihuan Road East
- Country/Region : China
- Zip : 610051
lifepo4 rechargeable battery cell
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lifepo4 rechargeable battery cell
Description: Polymer battery
Model: JZ1365120
1. Main Technical Parameter
| Item | Rating | Remark |
| Nominal Capacity | 7000mAh | Discharged at 0.5C |
| Rate Voltage | 3.2V | Average Discharge Voltage |
| Impedance | ≤10mW | |
| Discharge Cut-off Voltage | 2.50V | |
| Charge Current | 1400mA | Standard Charge |
| Charge Voltage | 3.60V | |
| Max Charge Voltage | 3.65V | |
| Charging Time | 6.5H | Standard Charge |
| Max Charge Current | 7000mA | 1C |
| Max Discharge Current | 35000mA | 5.0C |
| Weight | < 200g | |
| Size | Thickness: 13.0-1+0.5 mm Width: 65-10 mm Height: 120-2+0 mm | |
| Range of work temperature | Charge: 0~+50°C Discharge: -20~+70°C | |
| Store Temperature | 1 Month: -20°C~+45°C 3 Months: -20°C~+35°C 1 Year: -20°C~+30°C | The Best Temperature In transport is 20°C |
| Cycle life | > 3000 cycles | Discharge time>8H |
| Environmental protection | Through the ROSH authentication |
2. Standard test conditions
The battery for test must be new produce left factory no more than 1 month and charge-discharge less than10circles. Unless otherwise specified, all tests stated in this Specification shall be conducted at the temperature of 20±5°C and the relative humidity of 65±20%RH, If it is judged that the test results are not affected, the tests may be conducted at a temperature in the range from 15°C to 30°Cand a relative humidity in the range from 25%RH to 85%RH.
3. Initial Performance testing
| Item | Testing method | Requirement |
| Open Voltage | Measure the Open Voltage of the battery within 24 hour after the Standard Charge. | ≥3.2V |
| AC Impedance | Measure the Impedance of the battery at AC 1KHz ,25±5°C. | ≤10mW |
| Nominal Capacity | Discharge the battery at a constant current of 0.2Cto 2.5V after Standard Charge and deposited 30min, Measure the Discharge Capacity. | 7000mAh |
4. Temperature Dependence of the Discharge Capacity
Heat or cool the battery to the testing temperature within 30min and rested for 2 hour after Standard Charge at 25±2°C, Measure the capacity when discharged at a Standard Discharge condition(0.5C) and at each temperature. When a test finished, charge the battery after 2 hour.
| Discharge temperature | -20°C | 0°C | 25°C | 60°C |
| Discharge time | 70% | 80% | 100% | 105% |
5. Safety Performance
| Item | Test Method | Requirement |
| Impact Test | Make a hammer (Wight:10Kg) Free-drop from an altitude of 1 meter, impact the battery which riveted on table. (Put the max area side of battery on table perpendicularly) | No fired and no exploded |
High Temperature test | Put the battery in an oven with 90°C for 4 hour after Standard Charge, Discharge the battery to 2.50V at 0.5C and redo three times, Measure the get back capacity. | The get back capacity≥80% C1.0 |
Over Charge Test | Charge the battery at 3.0CmA to 10.0V after Standard Charge, checking the range of temperature on battery, when the temperature of battery flow down 10°C from the highest the test is end. | No fired and no exploded |
Over Discharge Test | Connect the positive and negative of battery with external load of 10W after standard charge, and store the battery for 15 days, then Charge and Discharge at0.5C for 3 cycles, Measure the get back Capacity. | The get back capacity≥80% |
Short-Circuit Test | Short circuit the positive and negative of battery, checking the range of temperature on battery, when the temperature of battery flow down 10°C from the highest the test is end.(resistance of circuit less than 50mW) | No fired and no exploded he temperature of battery less than 150°C. |
Heat Impact | Place fully charged cell in oven, increase temperature by (5 °C±2 °C)/min until reaching 150 °C±2 °C.Maintain temperature for 30 minutes. | No fired and no exploded |
Puncturing | After charging cell with 0.5C current, puncture a 2.0-3.0mm diameter steel nail through the center of the cell’s flat side until nail is visible on the other side. Maintain cell in punctured condition for 6 hours. | No fired and no exploded |
Crush | Put the battery in the Iron mould after Standard charge,then compressing the battery with pressure of 13 KN. | No fired and no exploded |
7. Guarantee period
The quality guarantee period from the production date (printing) began to take 12 months.
8. User manual
For the use of the battery exactly, the Customer shall strictly observe this item described below. The defects other than those caused by user overstep this Specification shall be excluded from the warranty of CEIEC SICHUAN HUALONG CO., LTD.
Do not throw the battery into water or moisten the battery. Do not use or storage battery near calorific source such as fire and heater.Please use the first wife charger.Do not connect the terminals of battery by the wrong way. Do not connect the terminals of battery to an electrical outlet directly.Do not throw the battery into fire or heating the battery.Do not short circuit the battery’s terminals with wireless or metal. Prevent storage or transport the battery with necklace, barrette or other metal object together.Prevent impacting, throwing, bending, twisting, mechanical shock from battery.Prevent piercing the case of battery with sharp edge such as pin, needle. Do not hammering, trampling battery.Prevent soldering the terminals of battery directly.Never disassembling the battery in any way.Prevent charging the battery in high temperature or near fire.Please do not put the battery in microwave or pressure.Do not mix use Mascot battery with one-off battery (such as dry battery) or different performance together. Do not use battery when the battery smelling peculiarly, exhaling caloric, distorted, turn colors or appeared any abnormities. Take off the battery from the equipment or charger immediately if the battery is using or charging.If battery leaking out electrolyte or smelling peculiarly, take it away from a fire, electrolyte may cause fire or bum. If electrolyte drop into eyes, do not wipe, please wash with clear water and Consult a doctor immediately, or the eyes maybe harmed.