aimjin 52V 14Ah (14,000mAh) 14S4P High-Capacity Lithium-Ion Battery Pack with 50A BMS & 58.8V Fast Charger –

Heavy-Duty Power Supply for 50W to 1500W Electric Bikes, Scooters, Tricycles & Custom EV Builds

Power your high-performance e-bike, electric scooter, cargo tricycle, or custom electric vehicle build with the aimjin 52V 14Ah Lithium-Ion Battery Pack System. Constructed in a 56-cell 14S4P matrix using high-quality 18650 cells, this compact power module delivers clean, high-current power for drive systems rated from 50W up to 1500W peak motor power.

This complete setup comes equipped with a built-in 50A peak DC discharge BMS (Battery Management System) to safeguard individual cells, along with a dedicated 58.8V smart lithium charger. Measuring just 260mm x 87mm x 69mm and weighing only 2.37kg (5.22 lbs), this power pack provides exceptional energy density and a 1000+ cycle life for demanding daily transit.

⚠️ Compatibility & Charging Guidelines

IMPORTANT FITMENT & SAFETY CHECKLIST:

58.8V Smart Charger Included: Comes complete with a dedicated automatic 58.8V charger tuned specifically for 14S (52V nominal) lithium architectures.

50A Max DC Discharge BMS: Built-in protection circuit supports up to 50A continuous/peak discharge, optimizing performance for high-torque motors up to 1500W.

Compact Dimensions: Measures 260mm L x 87mm W x 69mm H (±1-3mm tolerance) and weighs 2.37 kg. Verify your frame bag, scooter deck bay, or battery box before ordering.

Long Cycle Life: Rated for over 1,000 charge cycles when operated within standard parameters.

🚀 Key High-Performance Features

56-Cell High-Density 14S4P Configuration: Premium 18650 cells wired in 14 Series, 4 Parallel for a genuine 14,000mAh (14Ah) energy storage capacity.
Integrated 50A Smart BMS Protection: Continuously monitors cell balance while protecting against over-current, over-charge, deep discharge, and short circuits.
1500W Motor Support: Delivers steady, high-amp discharge without voltage sag to handle steep hill climbs and rapid acceleration.
Compact Blue PVC Casing: Ultra-lightweight 5.22 lb footprint fits seamlessly into triangle frame bags, under-deck scooter compartments, and cargo boxes.
Versatile E-Mobility Utility: Suitable for e-bikes, electric scooters, e-tricycles, golf carts, power tools, and custom mobility builds.
CE Safety Certified: Tested to meet European and international safety and quality standards.

📊 Technical Specifications Matrix

Specification Parameter	aimjin 14S4P-52V Specifications
Brand / Model	aimjin / 14S4P-52V
Cell Type & Quantity	18650 Lithium-Ion (56 Cells)
Series / Parallel Matrix	14S4P (14 Series, 4 Parallel)
Nominal System Voltage	52V DC (58.8V Peak Cutoff)
Nominal Capacity	14.0Ah / 14,000mAh
Supported Motor Power	50W to 1500W Continuous / Peak
Max DC Discharge Current	50 Amps (BMS Protection)
Supported Charging Current	0.2A – 10A Max
Cycle Life Expectancy	≥1,000 Complete Charge Cycles
Physical Dimensions	260mm × 87mm × 69mm (±3mm)
Pack Weight	2372g / 2.37 kg (5.22 lbs)
Included Accessories	58.8V Smart Charger Included
Safety Certifications	CE Certified

⚙️ Care, Maintenance & Installation Safety

Test-Fit Enclosure: Verify that the 260x87x69mm pack fits securely inside your battery enclosure with foam padding to cushion against road vibrations.
Proper Connection: Connect the discharge leads matching exact polarity (Positive to Positive, Negative to Negative) to your motor controller. Ensure all splices are properly insulated.
Charger Sequence: Always attach the 58.8V charger's DC connector to the battery first before plugging the AC plug into the wall outlet.
Storage Precautions: Keep away from high temperatures and direct moisture. If storing unused for extended periods, charge the battery every 3 months to preserve cell health.