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Shenzhen Topband Battery Co., Ltd
A professional manufacturer of LiFePO4 battery / lithium iron phosphate, dedicated to designing, researching, manufacturing, and exporting LiFePO4 batteries( cell & pack & energy storage system) to
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48V 20Ah Rechargeable Lifepo4 Battery 2000 Times Cycle Life IP65 Rating

48V 20Ah Rechargeable Lifepo4 Battery 2000 Times Cycle Life IP65 Rating

Brand Name : Topband
Model Number : TB4820F-T110A-5G
Certification : MSDS, UN38.3
Place of Origin : Guangdong, China
MOQ : 10pcs
Price : USD
Payment Terms : T/T; , L/C
Supply Ability : 3GWH/Year
Delivery Time : 2~3 weeks for sample, 4~6 weeks for bulk order after payment
Packaging Details : Standard export carton
Rated Voltage : 51.2V
Rated Capacity : 20Ah
Allowed MAX charge current : 20A
Allowed MAX discharge current : 20A
Output efficiency : 93%
Cycle life : 2000 times @100%DOD
IP rating : IP65
Dimension : 500*400*165mm
Weight : Approx. 20kgs
Application : 5G Base Station
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Topband Integrated 48V 20Ah LiFePO4 Battery Power system for 5G base station


1. General Information


This specification defines the performance of rechargeable LiFePO4 battery pack TB4820F-T110A-5G manufactured by Shenzhen Topband Battery Co., Ltd, describes the type, performance, technical characteristics, warning and caution of the battery pack.


2. Specification


NO

Items

TB4810F-T110A-5GTB4820F-T110A-5GTB4830F-T110A-5G
Battery specification
2.1Normal capacity10Ah20Ah30Ah
2.2Nominal energy512Wh1024Wh1536Wh
2.3DC discharge nominal voltage51.2Vdc (LFP-16S)51.2Vdc (LFP-16S)51.2Vdc (LFP-16S)
2.4Rang of DC discharge voltage58.4~40Vdc58.4~40Vdc58.4~40Vdc
2.5Internal resistance≤200mΩ@1kHz AC≤100mΩ@1kHz AC≤100mΩ@1kHz AC
2.6DC normal charge voltage58.4±0.2Vdc58.4±0.2Vdc58.4±0.2Vdc
2.7DC float charge voltage55.2±0.2Vdc55.2±0.2Vdc55.2±0.2Vdc
2.8Allowed MAX charge current10Adc20Adc30Adc
2.9Charge limit5Adc5Adc5Adc
2.10Recommended charge current≤5Adc≤10Adc≤15Adc
2.11Allowed MAX discharge current10Adc20Adc30Adc
2.12End of discharge voltage40Vdc40Vdc40Vdc
2.13

Operation temperature

Charge0~45℃0~45℃0~45℃
Discharge-20~55℃-20~55℃-20~55℃
2.14

Self-discharge rate

Residual capacity

≤3%/Month;

≤15%/ year

≤3%/Month;

≤15%/ year

≤3%/Month;

≤15%/ year

Recover capacity

≤1.5%/Month;

≤8%/ year

≤1.5%/Month;

≤8%/ year

≤1.5%/Month;

≤8%/ year

Power specification
2.15input nominal voltage220Vac220Vac220Vac
2.16rang of input voltage176Vac~270Vac176Vac~270Vac176Vac~270Vac
2.17output nominal voltage53.5Vdc53.5Vdc53.5Vdc
2.18rang of output voltage43~58Vdc43~58Vdc43~58Vdc
2.19output current≤10Adc≤10Adc≤30Adc
2.20rang of battery charge voltage43~58V43~58V43~58V
2.21battery charge current≤30A≤30A≤30A
2.221 normal output power11500W(176~280Vac)1500W(176~280Vac)1500W(176~280Vac)
2.25output efficiency≥93%≥93%≥93%
2.26power factor0.950.950.95
2.27AC input current≤10Aac≤10Aac≤10Aac
2.28range of input frequency45~65HZ45~65HZ45~65HZ
2.29Input under voltage protection70~80Vac70~80Vac70~80Vac
2.30Input under voltage protection recovery80~90Vac80~90Vac80~90Vac
2.31Input over voltage protection265~275Vac265~275Vac265~275Vac
2.32Input over voltage protection recovery290~300Vac290~300Vac290~300Vac
2.331 Output current limit protection point 120~25A(176~280Vac Input)20~25A(176~280Vac Input)20~25A(176~280Vac Input)
2.34Output current limit protection point 210~13A(90~175Vac Input)10~13A(90~175Vac Input)10~13A(90~175Vac Input)
2.35Output over voltage protection point59~62V59~62V59~62V
2.36Short Circuit ProtectionLong-term short circuit, self-recoveryLong-term short circuit, self-recoveryLong-term short circuit, self-recovery
2.37Over-temperature protectionSelf-recoverableSelf-recoverableSelf-recoverable
2.38Efficiency≥92%≥92%≥93%
System specification
2.39DimensionW 400±3 mmW 500±3 mmW 500±3 mm
H 500±3 mmH 400±3 mmH 400±3 mm
D 230±2 mmD 165±2 mmD 185±2 mm
2.40IP ratingIP65IP65IP65
2.41WeightAbout 15KgAbout 20KgAbout 30Kg
2.42Output rating600W1000W1500W
2.43rang of AC input voltage176Vac~270Vac176Vac~270Vac176Vac~270Vac
2.44AC INPUTONE LINEONE LINEONE LINE
2.45DC output voltage range54.5±0.5Vdc54.5±0.5Vdc54.5±0.5Vdc
2.46AC OUTPUTTWO LINETWO LINETWO LINE
2.47Shellaluminumaluminumaluminum
2.47

Storage environment

≤1month-20~+60℃,5~75%RH-20~+60℃,5~75%RH-20~+60℃,5~75%RH
≥3month-10~+45℃,5~75%RH-10~+45℃,5~75%RH-10~+45℃,5~75%RH
Recommend environment15~35℃,5~75%RH15~35℃,5~75%RH15~35℃,5~75%RH

3. 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 cell3.75±0.03V
Over-charge release for each cell3.60±0.05V
Over-charge release methodUnder the release voltage
Over dischargeOver-discharge protection for each cell2.50±0.05V
Over-discharge release for each cell2.80±0.1V
Over-discharge release methodCharging
Over currentDischarge over current protection380A±20A,delay time 2±0.2s

Battery

temperature

Battery Over temperatureProtection @65±5℃, Release @55±5℃
Charge lower temperatureProtection @-0±5℃, Release @5±5℃
Heat controlCharging heatingSartheating at 0 °C, stops heating at 10 °C.
Discharging heatingStart heating at -20 °C, stop heating at -10 °C.

4. Dimensional Drawing



Product Tags:

lifepo4 prismatic cells

      

lithium iron phosphate cells

      
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