Silverfish E-Bike Battery, 48V 13Ah, 20Ah, 25Ah

Electric Bike Battery Specifications:

• • • Technical Specifications (YM04 / Silverfish type)

       Electrical

      • Voltage: 48V 
      • Capacity:  13Ah, 
      • Energy: approx 624Wh
      • Motor compatibility: 250W – 500W (sometimes up to 750W)
      • Max discharge current: ~30A

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      Battery & Cells

      • Type: Lithium-ion (18650 Samsung/LG cells)
      • Chemistry: NCM (LiNiCoMnO₂)
      • Charge voltage: 42V
      • Cycle life: 800–1000 cycles

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      Physical & Design

      • Dimensions: approx 390 × 110 × 75 mm
      • Weight: 4.9 kg
      • Mount type: rear rack / seat tube “Silverfish” rail system
      • Connector: usually 2-pin or 4-pin base plate

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      •  Lock + keys (as in your image)
      • External charging port
      • LED charge indicator
      •  Built-in BMS (Battery Management System) for:
        • overcharge protection
        • short circuit protection
        • temperature control

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      Compatibility

      This battery typically fits:

      • conversion kits with Silverfish rail mount
      • seat-tube or rear rack battery setups

  Package included:

• 1 x Battery
• 1x Charger (UK Plug)
• 1x mounting plate
• 2x keys