Rechargeable Li-Ion Battery, 48V20Ah for electric foldable wheelchairs
Negotiable /Piece
Min.Order:50 Pieces
Zhejiang Chaowei Power Co., Ltd.
Chilwee BN Series Lithium Ion Battery Pack is designed based on MnNiCo Ternary technology with excellent cycle performance and high safety.BN Series is mainly applied to electric bicycles, tricycles and other electric vehicles. The battery module is comprised of soft-packed battery cells in series and battery protection module is included to ensure supreme reliability.
• Modularized design and pefectly compatible to the electric bicycles which are using traditional VRLA batteries
• 'Green " and environment-friendly, no pollution to the environment during production and normal usage
• Stable structure and simplified production process enables mass production and easy maintenance
• Completely new protection design of water-proof, fire-proof, shock-resistance enable high safety
• Professional protection module and BMS ensures the battery pack to be protected perfectly
• High weight and measurement specific energy ensures the battery pack extremely long-voyage ability
• Super long life supported by innovative technologies, high quality material and strict manufacturing control
1. Electric Bicycle or Scooter
2. Electric Tricycles, or electric vehicles
Battery Model No. | BN4820CI | ||||||||
Material | MnNiCo Ternary Material + LiMn2O4 | ||||||||
Nominal Voltage (V) | 48V | ||||||||
Nominal Capacity (C2, 25℃ ) | 20Ah | ||||||||
Battery Pack Dimension (mm) | 195mm X 160mm X 175mm (L X W X H) | ||||||||
Nominal Weight (Kg) | 7.1Kgs ± 0.1 | ||||||||
Charge Limited Voltage (V) | 54.6V | ||||||||
Continuous Charge Current (A) | 4A | ||||||||
Maximum Charge Current (A) | 10A | ||||||||
Charging Mode (Constant Current/Constant Voltage) | 4A X (4h-6h) | ||||||||
Discharge Cut-off Voltage (V) | ≥ 39.5V | ||||||||
Continuous Discharge Current (A) | ≤ 15A | ||||||||
Maximum Continuous Discharge Current (A) | ≤ 25A | ||||||||
Cycle Life at 100% D.O.D. | ≥ 800 Cycles | ||||||||
Charge Port / Discharge Port | 3 Square Pin Plug / N-Positive, L-Negative | ||||||||
Capacity Retention Rate at 0℃ | ≥ 90% | ||||||||
Self-Discharge Rate (25℃) | ≤ 3% per month | ||||||||
Temperature Characteristic | Charging | 0℃ - 40℃ | |||||||
Discharging | -20℃ - 40℃ | ||||||||
Storage | -20℃ - 40℃ |