Electronics Designing & Processing
Description
1. About us
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SHENZHEN TOPBAND NEW ENERGY CO.,LTD, a company professional to do LiFePO4 battery, which is founded in 1996 and listed in Shenzhen in 2007.There are over 300 R&D engineers and about 3,000 employees in the 70,000 square meters Topband industrial park.We can provide One-Stop Solution of new energy, from cell, BMS/PCM to battery pack assembling.
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This rechargeable LiFePO4 battery pack TB-BL12125F support Bluetooth communication function. Through Android and IOS APP, can read the battery status and information. Especially due to the Android system’s openness, different smart phone manufacturer will have their own different Bluetooth hardware version and customized feature Android systems. It is necessary for the customer to confirm whether the phone is compatible for the APP.
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2. Specification
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NO | Items | Description |
Normal Specification |
1 | Nominal Voltage | 12.8V |
2 | Normal Capacity | 50Ah |
3 | Internal Resistance | ≤20mΩ |
Standard Charge |
4 | Battery operation temperature range @charging | 0~45℃ |
5 | Normal charge voltage | 14.6±0.1V |
6 | Recommended float charge voltage(for Standby use) | 13.8±0.1V |
7 | Allowed MAX charge current | 50A@Battery initial Temp 25±5℃ |
8 | Recommended charge current | ≤30A |
Standard Discharge |
9 | Battery operation temperature range @discharging | -20~60℃ |
10 | Output Voltage Range | 8.0~14.6V |
11 | Allowed discharge current | 50A withstand 30min @Battery initial Temp 25±5℃ |
12 | Pulse discharge current | 450A withstand 4s |
13 | Discharge Cut-off voltage | 8.0V |
Mechanical Characteristics |
14 | Dimension | Length 242±2mm |
Width 175±2mm |
Height 190±2mm |
15 | Weight | Approx. 7.0Kg |
Storage |
16 | Storage Temperature & Humidity Range | Short: within one month | -20~35℃, 45~75%RH |
Long term: above one month | -10~30℃, 45~75%RH |
17 | Self-discharge rate | Residual capacity | ≤3% per month; ≤15% per year |
Reversible capacity | ≤1.5%per month; ≤8% per year |
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3. Electrical Characteristics & Test Condition
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Testing Conditions: Ambient Temperature: 25±5℃; Huminity:45%~75%.
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NO | Items | Criterion | Condition |
1 | Internal Impedance | ≤20mΩ | Test the internal resistance of 50% SOC battery pack with 1 kHz AC internal resistance test instrument. |
2 | Capacity | ≥50Ah | Rest for 1 hour after fully charged, then discharge with 0.33C current until the battery reaches the discharge cutoff voltage. Repeat above process for three times, if the discharge time is not less than 180 minutes, you can stop and define the Discharging current*time value (Ah) as battery capacity. |
3 | ? Short circuit protection | Automatically cutoff discharging when short circuit, and release after remove the lead. | Connect the positive and negative of this battery pack through a lead with the resistance less than 5mΩ. |
4 | MAX charge Current | 50A | Charging with this current for more than 0.5h and the added temperature of battery pack less than 20℃. |
5 | MAX discharge Current | 50A | Discharging with this current for more than 0.5h and the added temperature of battery pack less than 35℃. |
6 | ? ? Cycle life (DOD%100) | ≥2000cycle | Discharge with the current of 0.5C until it can’t discharge, and then rest it for 1h. Charge the battery following CC(0.33C)/CV(14.6V) mode to full capacity, and then rest it for 1h. Repeat above process until full charged capacity is no more than 80% of normal value. Accumulated times is defined as cycle life. |
7 | ? Discharge Temperature Characteristics | -20℃ | ≥70% | At 25±5℃ discharge the battery with the current of 0.33C to the cut-off voltage. Store the battery at various temperatures for 2h and discharge the battery with 0.33C to the cut-off voltage. Record the ratio between discharging & charging capacity. |
0℃ | ≥80% |
25℃ | 100% |
55℃ | ≥95% |
8 | Charge Retention ability | remain capacity≥90% | Charge the battery to full capacity and store it for 28days, and then discharge it with 0.33C to the cut-off voltage. |
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4. Features Descriptions?
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# Light weight: having 13 weight of lead-acid battery with the same capacity.
# Long life: having more than 4 times& acute; life of lead-acid batteries (6 years).
# Saving fuel: Topband lithium batteries have high discharge rates, and when the engine is in operating, it can provide a stable, high-energy ignition voltage to make the oil and gas burn more fully and to reduce fuel consumption.
# Enhanced power: high-rate discharge performance, strong ignition.
# Regulators filtering: can satisfy the power quality of on-board electrical appliances such as the car audio, air conditioning, headlights.
# Low self-discharge rate: ≤2% / month, to avoid running down of the battery when the car isn’t been started in a long time.
# Alternate power for restart: reserve part of battery power to avoid energy depletion caused by headlights, electric appliances. The user can restart engine with the reserved battery power.
# Misuse protection: when human errors due to battery being short circuit, it can automatically cut off the output to prevent the combustion and explosion of battery and line .
# -20℃ can be started:
# Prevent electrode corrosion: lead-acid battery negative is easy to produce oxide because of galvanic interactions, increase the contact resistance, and reduce the electrode life and charge-discharge efficiency
# Clean exhaust: lithium-iron crank battery can make the oil and gas burn more fully to help reduce carbon emission and clean the exhausts.
# Environmental protection: no heavy metal pollution, meets RoHS standards.
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5. Storage and Transportation
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1) Based on the character of cell, proper environment for transportation of LiFePO4 battery pack need to be created to protect the battery.
2) Battery should be stayed in the ware house -20℃～35℃ where it’s dry, clean, shade, and well-ventilated.
3) The battery should be stored in 50% SOC during transportation.
4) The battery need to be charged every 6 months if out of use
5) Keep the battery against dropping, turning over and serious stacking during loading.
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6. Warning & Tips
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Please read and follow the specification and caution remarks on battery surface before use the battery. Improper use may cause heat, fire, rupture, damage or capacity deterioration of the battery. SHENZHEN TOPBAND NEW ENERGY CO.,LTD. Describes is not responsible for any accidents caused by the usage without following our specification.
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Warning!
# The battery must be far away from heat source, high voltage, and avoid to be exposed in sunshine for long time.
# Never throw the battery into water.
# Never connect the positive and negative of battery with metal.
# Never ship or store battery together with metal.
# Never reverse two electrodes when use the battery.
# Never disassemble the battery without manufacturer& acute;s permission and guidance.
# Never knock, throw or trample the battery.
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Tips!
# Keep the battery against high temperature. Otherwise it will cause battery heat, get into fire or lose some function and reduce the life.
# When battery run out of power, please charge your battery timely (≤15day).
# Please use the matched or suggested charger for this battery.
# If battery emit peculiar smell, heating, distortion or appear any abnormity during working or storage, please stop using and take it out from device.
# If the battery leaks and get into the eyes or skin, do not wipe, instead, rinse it with clean water and see doctor immediately.
# Please far away from children or pets.
# Do not put scrap battery into a fire or water.
# If user needs to parallel several battery packs, please charge them to full capacity with same type of matched charger, and set it aside for 8 hours, professionals only. This battery pack supports application no more than 3 group parallel. If user needs to apply this product to more groups parallel, please reconfirm details with us.
# It is strictly prohibited any series between the battery packs. Any requirements on serials connection, please contact TOPBAND for details.
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Read More
Shenzhen Topband New Energy Co.,Ltd
Rechargeable Lifepo4 Battery聽,Deep Cycle Lithium Battery,Lithium Iron Phosphate Battery
Address: Topband Industry Park,Tangtou Town,
Shenzhen, Guangdong
China, 518000
Tel: 86-755-27651888
Fax: 86-755-81785047
