1,080W High Power Output

The MULTI VOLT Lithium-ion battery, paired with MULTI VOLT 36V tools, offers unprecedented cordless power over 1,000W with its size and weight.

Compact & Lightweight

Image of Compact & Lightweight

The MULTI VOLT battery has almost the same size and weight of a 18V battery (BSL1850/1860), and produces the power of a 36V.

Automatic Voltage Change between 36V and 18V

The MULTI VOLT battery is designed for full compatibility with the current 18V slide range, and automatically changes between 2 voltages, 36V* 2.5Ah and 18V 5.0Ah, according to the tool used.
*Compatible with MULTI VOLT 36V tools only.

Image of Automatic Voltage Change between 36V and 18V

*1: Not compatible with the following existing batteries: BSL3620/3625/3626/3660, BSL18xx and BSL14xx series.
*2: Not compatible with the existing 36V products that are compatible with BSL3620/3625/3626/3660.

Image of Remaining Battery Indicator

Remaining Battery Indicator
Displays the charging state in four stages.



 Voltage& Capacity  V - Ah  36 - 2.5 / 18 - 5.0
 Cooling System  Yes
 Dimensions  mm  116 x 69 x 76 (4-9/16” x 2-23/32” x 2-63/64”)
 Charging Time  min.  Approx. 32* (when using the UC18YSL3)
 Compatible Products  18V  All existing 18V slide-type tools
 36V  MULTI VOLT 36V tools
 Compatible Chargers  All chargers compatible with slide-type Lithium-ion batteries

*The actual charging time can be longer depending on the surrounding temperature and battery condition.