12V/24V/36V/48V/52V/60V/72V 15ah/20ah/30ah/40ah Li-ion Battery Pack for E-Bike E-Scooter Factory Direct

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Product Description

📊 Basic Specifications
Model NO.
12V-36V 15Ah 20Ah 30Ah 35Ah
Rechargeable
Chargeable
Discharge Rate
Medium Discharge Rate
Rated Capacity
>1000MAH
Standard Voltage
>12V
Electrolyte
Li-ion
Cycle Life
2000 Cycles
Battery Type
Solid State
HS Code
8507600090
Capacity
500000 Pieces/Month
🚀 Solution Overview
A high-tech provider of new energy lithium battery solutions, focusing on new energy, environmental energy, power, and energy storage lithium batteries. We provide intelligent solutions for small and medium-sized enterprises worldwide, driven by values of quality and integrity to create a better life through advanced energy development.
📸 Product Gallery
Battery Pack 1
Battery Pack 2
Battery Pack 3
Battery Pack 4
Battery Pack 5
Battery Pack 6
Battery Pack 7
Battery Pack 8
📋 Model Comparison
Brand Model Number V & Ah Resistance (mΩ) Weight (kg)
EVLF 50AH3.2V 50Ah≤2.01.4
EVLF 100AH3.2V 100Ah≤0.52.1
EVLF 105AH3.2V 105Ah≤0.51.98
EVLF 171AH3.2V 171Ah≤0.53.1
EVLF 230AH3.2V 230Ah≤0.254.11
EVLF 280AH3.2V 280Ah≤0.25.45
EVLF 304AH3.2V 304Ah≤0.25.8
EVMB313.2V 314Ah≤0.185.6
EVLF 340AH3.2V 340Ah≤0.185.42
💡 System & Applications
🔋
System Requirements:
12V System: 4 pieces | 24V System: 8 pieces | 48V System: 16 pieces
Compatible with 12V to 108V Solar Energy Storage Systems.
🏠
Applications:
Backup power for home energy storage, campers, RVs, yachts, electric vehicles, and remote control devices.
📦 Packaging & Protection
Packaging 1
Packaging 2
  • High hardness custom sponge for battery reinforcement.
  • 5-layer dangerous goods export corrugated cartons.
  • Positive and negative paste insulation tape.
  • Labeled test data on each cell before delivery.
  • Optional wooden packing available upon request.
Frequently Asked Questions
🔹 What should I do before assembling the battery pack?
You must ensure the cells are balanced (same voltage) before assembly. Professionals test voltage, resistance, and appearance before shipment to ensure single battery quality.
🔹 What testing is performed prior to shipping?
We perform Capacity Tests (margin of error < 2%), Voltage deviation tests (< 0.01V), and Resistance tests (deviation < 0.05mΩ).
🔹 Are accessories like busbars and bolts included?
Yes, each battery cell comes with 1 piece of busbar and 2 pieces of bolts or studs for free.
🔹 What is the standard cycle life of these cells?
These batteries are designed for long-term use with a cycle life of approximately 2000 cycles.
🔹 Can I use these batteries for my 48V solar system?
Absolutely. For a 48V system, you will typically need 16 pieces of 3.2V cells connected in series.
🔹 What is the return policy for DIY battery cells?
Batteries must be unused (electrodes intact, no welding, no wear) for returns. Issues caused by incorrect assembly or lack of BMS protection are not eligible for refund.

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