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12V 300AH Lifepo4 Ev Battery Pack , Ups Backup Battery High Capacity

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Buy cheap 12V 300AH Lifepo4 Ev Battery Pack , Ups Backup Battery High Capacity from wholesalers
  • Buy cheap 12V 300AH Lifepo4 Ev Battery Pack , Ups Backup Battery High Capacity from wholesalers

12V 300AH Lifepo4 Ev Battery Pack , Ups Backup Battery High Capacity

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Brand Name:Topband
Model Number:TB12300F-S103A_00
Certification:MSDS,CE
Supply Ability:450Mwh/year
Delivery Time:2~4weeks for samples; 4~6weeks for mass production
Price:Negotiable
Payment Terms:L/C, T/T
Company Data
Active Member
Contact Person Jerry Yang
Business Type: 86-755-27651888-3215
Business Type: Manufacturer Exporter
Officials: Topband Industry Park,Tangtou Town,Bao'an District,Sheznzhen,China
Quality: Quality Certifitation Available
Product Details Company Profile
Product Details

12V 300AH Lifepo4 Ev Battery Pack , Ups Backup Battery High Capacity


1. General Information


This specification defines the performance of rechargeable LiFePO4 battery pack TB12300F- S103A manufactured by Shenzhen Topband Battery Co., Ltd, describes the type, performance, technical characteristics, warning and caution of the battery pack.


2. Specification

NOItemsDescription
Normal Specification
1Nominal Voltage12.8V
2Normal Capacity300Ah
3Internal Resistance≤20mΩ
4Series-Parallel applicationNot allowed
5Communication function/
Standard Charge
6Charge operation temperature range0~45℃
7Normal charge voltage14.6±0.1V
8Recommended float charge voltage(for Standby use)13.8±0.1V
9Allowed MAX constant charge current80A@Battery initial Temp 25±5℃
10Recommended charge current≤80A
Standard Discharge
11Discharge operation temperature range-20~60℃
12Output Voltage Range8.0~14.6V
13Allowed MAX constant discharge current80A @Battery initial Temp 25±5℃
14Discharge peak current100A/30min,350A/3s
15Discharge end voltage8.0V

NOItemsDescription
Mechanical Characteristics
16DimensionLength 520±3mm
Width 269±3mm
Height 221±3mm
17WeightApprox. 37.7Kg
Storage
18Storage Temperature & Humidity RangeShort: within one month-20~35℃, 45~75%RH
Long term: above one month-10~30℃, 45~75%RH
19Self-discharge rateResidual capacity≤3% per month; ≤15% per year
Reversible capacity≤1.5%per month; ≤8% per year

3. Electrical Characteristics & Test Condition


Testing Conditions: Ambient Temperature: 25±5℃; Huminity:45%~75%.


NOItemsCriterionCondition
1Min Capacity≥291AhRest for 1 hour after fully charged, then discharge with 0.33C current until the battery reaches the cutoff voltage. you can stop and define the Discharging current*time value (Ah) as battery capacity.
2

Cycle life (DOD%100)

≥2000cycle

Charge / CC(0.33C)/CV(14.6V);

End current : 0.05C;

Rest time : 1h;

Discharge / CC(0.5C);

End voltage : 8.0V;

Repeat above process until discharge capacity is no more than 80% of normal value. Accumulated times is defined as cycle life.

3

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%
4Charge Retention abilityremain 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.

4. Circuit Protection


The batteries are supplied with a LiFePO4 Battery Management System (BMS) that can monitor and optimized each single prismatic cell during charge & discharge, to protect the battery pack overcharge, over discharge, short circuit. Overall, the BMS helps to ensure safe and accurate running.


Test itemContentCriterion
Over chargeOver-charge protection for each cell3.80±0.03V
Over-charge release for each cell3.60±0.05V
Over-charge release methodUnder the release voltage
Over dischargeOver-discharge protection for each cell2.00±0.05V
Over-discharge release for each cell2.30±0.05V
Over-discharge release methodCharging
Over currentDischarge over current protection350~550A
Protection delay time10~40ms
Over current release methodRelease after cutoff the load.

Over

Temperature

Battery over temperatureProtection @65±5℃
Release @50±5℃

Over

Temperature

Battery lower temperatureProtection @100±5℃
Release @70±15℃

5. Dimensional Drawing

12V 300AH Lifepo4 Ev Battery Pack , Ups Backup Battery High Capacity

12V 300AH Lifepo4 Ev Battery Pack , Ups Backup Battery High Capacity

Company Profile

Shenzhen Topband Battery Co., Ltd

Shenzhen Topband Co., Ltd. was registered in so-called “China Silicon Valley”, Shenzhen Hi-tech Industrial Park in 1996, and got listed in Shenzhen Stock Exchange ( the stock code as 002139) in 2007.

 

After years of rapid development, now Topband takes lithium battery as the core technology and has become one of the  leading suppliers of lithium battery solutions in China, focusing on nano lithium iron phosphate/ LiFePO4 technology for  EV, RV/ caravan, marine, motorcycle, golf cart / trolly, UPS, solar storage, medical, floor scrubber, industrial, commercial use, etc.

 

Smart Bluetooth & WIFI connection is is our patent feature, equipped with IOS & Android app to monitor the instant battery status (SOC, OCV,  charge current, ambient temperature, and errors included).

 

Topband has more than 5000 staffs, covers an area of 100,000 square meters. And large production plants are mainly located at Shenzhen and Huizhou

 

Our R&D team of over 300 professionals, in cooperation with Tsinghua Research Institute and Harbin Industrial University have laid a firm foundation of our leading technology.

 

We have got the certificates of  ISO9001, ISO14001, OHSAS18001, TS16949 and UL, CE, CB, UN38.3, TUV, etc.

 

Topband is a Hi-tech enterprise. Since the company established, with innovation, we have committed ourselves to making people’s lives more comfortable and high-efficient. We and our companions are working hard at making technology progress to let people enjoy the changes of new technology.

 

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