Shenzhen Grepow Battery Co., Ltd.  

Product Name: Grepow 12.8V 7ah 4s10p Modular Li-ion Battery Model NO.: DP5563124/4S2P/7000mAh/12.8V Electrolyte: Li-ion Usage: UPS; Standard Voltage: >12V Rated Capacity: >1000MAH Size: Medium Discharge Rate: High Discharge Rate Rechargeable: Chargeable Connection Mode: Series and Parallel Type: Lithium-Ion Battery Pack IP Rating: IP66 Case Material: ABS Promised Cycles: 1500 Cycles Trademark: Grepow Transport Package: Carton Specification: 151x65x92mm, 1060g Origin: China HS Code: 8507600090 Product Description Embeds BMS system forLithium Iron Phosphate cell (LiFePO4)that offers a high level of safety and long lifespan. And Grepow lithium iron phosphate modular batteries are drop-in replacement for lead-acid batteries.What is Grepow Modular Battery?FUNCTIonAL SPECIFICATIONSName: Grepow 12V Modular Li-ion BatteryNominal Voltage: 12.8VMaximum Modules in Series: 4Maximum Modules in Parallel: 10Rated Capacity: 7000mAhMinimum Capacity: 6650mAhCharge/Discharge: 0.5C/0.2CCut-off Voltage: 8.8VCell Chamistry: Lithium iron phosphate (LiFePO4, LFP)Cell Type: Pouch cellsEnergy Density: 89.6WhInternal Impedance: ≤27mΩ (AC 1KHz after standard charge)Cycles (Promised): 1500 cyclesMECHANICAL SPECIFICATIonSDimensions (L x W x H): 151 mm x 65 mm x 92 mmPower Connector: Faston 6.35mmCase Material: ABSEnclosure Protection: IP66Nominal Weight: ≈1060gCHARGE SPECIFICATIonSCharging Mode: Constant Current and Constant VoltageCharge Voltage: 14.6V/14.6V (Max.)Standard Charge Current: 3500mAMax Charge Current: 7000mADISCHARGE SPECIFICATIonSWorking Charging Current: 7000mAStandard Discharge Current: 1400mAMax Continued Discharge Current: 25000mADischarge Cut-off Voltage: 8.8±0.3VPromised Shelf Period: 1 yearRest Period: 30 minsLoad Voltage(10Ω): ≥12.8VENVIRonMENTAL ConDITIONSCharge Temperature: 0ºC~45ºCDischarging Temperature: -20ºC~60ºCStorage Temperature (up to 30 days): -20ºC~60ºCStorage Temperature (up to 90 days): -20ºC~30ºCTemperature of Long Time Storage (Over 6 months): 25±5ºCHumidity of Long Time Storage (Over 6 months): 65±20%RHVoltage of Long Time Storage (Over 3 months): 12.8V~13.6VBMS PARAMENTSOvercharge protectionDetection voltage: 3.750±0.025VRelease voltage: 3.550±0.025VDetection delay time: 1 secondOver discharge protectionDetection voltage: 2.200±0.050VRelease voltage: 2.700±0.100VDetection delay time: 1 secondOver Discharge CurrentProtection (Dual protection)Over current(No.1): 26~31ADelay time(No.1): 2.2SOver current(No.2): 55~69ADelay time(No.2): 220msOvercharge CurrentProtectionOver current 10~14ADelay time 1 secondHigh and Low Temperature Protection YesShort Circuit Protection YesEqualization Function YesADDITIonAL FEATURES- Customization Service- Custom BMSFor more information, please contact us:https://www.grepow.com/page/contact.html