BS Battery BK20 Smart Battery Charger -6V/12V 3x2A

Charges and maintains 3 batteries with different voltages 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
Battery type: Acid and Lithium Voltage: Capacity (Ah): 40 CCA (A): Length (mm): 240 Width (mm): 212 Height (mm): 103 Weight (g): 1480