Mainly developed for warehouses and garages, the brand-new BK 20 is a smart bank battery charger and maintainer, which offers 3 channels of charge.

Rated at 2A per channel, this powerful automatic charger is suitable for lead acid and lithium batteries up to 40Ah. Real 3 in 1 solution, the BK 20 can charge and maintain 3 batteries with different voltage and technologies at once.

Very safe and easy to use, the BK 20 has 10 stages of charge including a new force mode to enhance the performance of all your powersports batteries. Delivered with 1 BS clamps set and 1 fused ring terminal set .

Assembly part for display can be addded in option to mount up to two BK 20 chargers on BS display. Ideal to create a small charging station!


Part Number:
Battery technology:
Lead Acid / Lithium
Battery voltage (V):
6 / 12 / 12.8
Battery capacity (Ah):
4 - 40
Charging rate (A):
Charging program:
10 stages
Reconditioning function:




Charges and maintains 3 batteries with different voltage and technologies at once
Auto detect Lead Acid or Lithium technology
Adaptable charging algorithm for Lead Acid & Lithium (LiFePO4)
Force mode: to activate low voltage “dead” Lead Acid battery or wake up “dead” LiFePO4 battery
Easy to use: connect & forget
Safe: connection spark free, reverse polarity, short circuit and internal overheat protection
Select the fields to be shown. Others will be hidden. Drag and drop to rearrange the order.
  • Image
  • Attributes
  • Custom attributes
  • Custom fields
  • Dimensions
  • Add to cart
Click outside to hide the compare bar