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New 8KWh MB56 628ah DIY Kits EVE Lithium battery JK-B2A8S30P-HC 300A BMS for AC

Categories DIY Battery Case
Brand Name: Deligreen
Model Number: 12V 628ah Kits
Place of Origin: china
MOQ: 1
Price: negotiable
Payment Terms: D/A,D/P,T/T,Western Union
Supply Ability: 1000 pcs/month
Packaging Details: carton
Model: 4S12V 628Ah kits
Voltage: 12.8V&14.6V
Size: 390×365×245mm
Weight: 10kg
Active Balancer: 2A
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New 8KWh MB56 628ah DIY Kits EVE Lithium battery JK-B2A8S30P-HC 300A BMS for AC

New 8KWh MB56 628ah DIY Kits EVE Lithium battery JK-B2A8S30P-HC 300A BMS for AC

BrandDeligreen
Model12V 4S LFP BOX
ApplicationSolar energy household system
Battery typeEVE MB56 628ah
BMSJK 12V 4S 300A BMS B2A8S30P-HC
Weight10kg
Nominal Voltage12.8V/14.6V
Continuous current300A
MaterialStainless Steel
size390×365×245mm
Suitable batteryEVE

12V lead-acid batteries(AGM) are widely used in RVs, trailers, and trucks as power sources for lighting, water pumps, fans, refrigerators (12V models), air conditioners, and other onboard electrical appliances.Due to its low cost, adaptability to a wide temperature range, simple maintenance, and compatibility with vehicle 12V circuits, it is widely welcomed by car owners and manufacturers.


However, lead-acid batteries have the disadvantages of large volume, low energy density, small capacity, and few cycles. A 12V lithium battery can compensate for these disadvantages. Lithium batteries are increasingly being used in 12V power supplies for RVs and trucks.


Here’s a clear comparison between 12V Lead-Acid Batteries and 12V Lithium Batteries (e.g., LiFePO₄) in table format:

Feature12V Lead-Acid Battery12V Lithium Battery (LiFePO₄)
Energy DensityLow (~30-50 Wh/kg)High (~90-160 Wh/kg)
WeightHeavy (e.g., 20-30 kg for 100Ah)Light (e.g., 10-15 kg for 100Ah)
Cycle Life300-500 cycles (50% DoD)2000-5000 cycles (80-90% DoD)
Depth of Discharge (DoD)50% recommended (deep-cycle: 80%)80-100% safe
Charging SpeedSlow (5-8 hours)Fast (1-3 hours, higher charge current)
Efficiency70-85%95-98%
Voltage StabilityDrops under loadStable voltage until depleted
MaintenanceRequires watering (flooded) or AGM sealedMaintenance-free
Temperature TolerancePerformance drops below 0°C or above 40°CWider range (-20°C to 60°C, but may need heating at low temps)
CostLow initial cost ($100-$300 for 100Ah)High initial cost ($400-$1000 for 100Ah)
Lifespan3-5 years8-15 years
SafetyRisk of acid leaks, venting gases (H₂)Safer (no leaks, BMS protection)
Environmental ImpactToxic (lead, acid), recycling requiredCleaner, but recycling infrastructure developing
Common UsesCar/RV starter batteries, backup powerRVs, solar storage, marine, high-performance

JK-B2A8S30P-HC smart bms,2A active balancing.


Packing list&Accessories for assembly

JK BMS

PCB board

Fuse

Terminals

Flexible busbars

Epoxy board

EVA tape


Buy New 8KWh MB56 628ah DIY Kits EVE Lithium battery JK-B2A8S30P-HC 300A BMS for AC at wholesale prices
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