Specs from the makers' own documentation Battery compatibility built in UK retailer prices, updated daily 25+ years of trade experience
‹ All HiKOKI MultiVolt 36V batteries
MultiVolt 36V
8.0Ah BSL36B18X 18V/36V · 1.02kg No product photo yet
Fits
16 HiKOKI MultiVolt 36V tools + 31 moreSee them ›
Charges
40 min on the UC36YSL2, the fastest of 4Charge times ›
Specs
From HiKOKI's own documentationChecked 1 Oct 2026
HiKOKI · MultiVolt 36V platform

HiKOKI BSL36B18X 18V/36V 8.0Ah MultiVolt battery

8.0Ah 144Wh 1.02kg 21700 cylindrical cells Fuel gauge

HiKOKI BSL36B18X MultiVolt pack, 4.0Ah at 36V or 8.0Ah at 18V, 1.02kg, on 21700 cells. Fits 18V and 36V tools. Has a charge indicator.

Adds it to My Tools, kept on this device
Price
No retailer price yet
None of the retailers we track lists it right now.
8.0AhCapacitymaker figure
144WhEnergyworked out, 18V × 8.0Ah
1.02kgWeightmaker figure
141Wh/kgEnergy for its weightworked out

Other sizes in this range

Same fit, same tools. Bigger packs run longer and weigh more. Pick the size for the job.

Compare these sizes ›All HiKOKI MultiVolt 36V batteries ›
ModelSizeEnergyWeightLowest pricePer Ah
BSL36A18 5.0Ah 90Wh 0.7kg No price yet
BSL36A18X 5.0Ah 90Wh 0.74kg No price yet
BSL3640MVT 8.0Ah 144Wh 0.98kg No price yet
BSL36B18 8.0Ah 144Wh 0.98kg No price yet
BSL36B18X This one 8.0Ah 144Wh 1.02kg No price yet

Prices are the lowest we track at UK retailers, updated daily. Weights from HiKOKI. Energy is HiKOKI's figure, or worked out from volts × Ah where they don't publish one.

Full specs

From HiKOKI's own documentation, checked 01/10/2026. "Not listed" where HiKOKI doesn't publish a figure.

Voltage18V/36V
Capacity8.0Ah
Energy144Wh (18V × 8.0Ah)
ChemistryLi-ion (cylindrical)
Cell type21700 cylindrical
Weight1.02kg
Size (L × W × H)134 × 83 × 77 mm
Fuel gaugeYes
ExtrasAutomatic Switching System
PlatformHiKOKI MultiVolt 36V
Model codeBSL36B18X

Charge times

HiKOKI's own figures, fastest first. Each charger opens its own page.

UC36YSL2Super fast charger
40 min
No retailer price yet
UC18YSL3Rapid charger
52 min
No retailer price yet
UC18YFSLFast charger
2 hr
No retailer price yet
UC18YKSLStandard charger
4 hr
No retailer price yet

HiKOKI's own figures.

Fits these tools

Every HiKOKI MultiVolt 36V tool takes this pack. It won't fit other brands' tools.

All 16 HiKOKI MultiVolt 36V tools ›
SDS+ Hammer Drills3 tools › SDS Max Hammer Drills2 tools › Jigsaws2 tools › Mitre Saws2 tools › Table Saws1 tool › Demolition Hammers1 tool › Reciprocating Saws1 tool › Belt Sanders1 tool › Routers1 tool › Handheld Vacuums1 tool › Plunge Saws1 tool ›
+
Also runs 31 HiKOKI 18V toolsIt works one way only: those tools' own packs won't run HiKOKI MultiVolt 36V tools.
See them ›

8.0Ah packs from other brands

Only useful if you haven't picked a platform yet: packs don't swap between brands. Shown on neutral figures only.

Not sure which platform? ›
BatteryEnergyWeightWh per kgLowest pricePer Ah
HiKOKIBSL36B18X 144Wh 1.02kg 141 No price yet
BoschEXBA18V-80 144Wh 1.04kg 139 £182.95£22.87
DeWaltDCB1880 144Wh Not listed £139.95£17.49
Einhell4511600 144Wh 1.05kg 137 £94.95£11.87
FestoolBP18TBX8 144Wh 1kg 144 £199.95£24.99
MilwaukeeM18FB8 144Wh 1.08kg 133 No price yet

BSL36B18X questions

Which tools does the BSL36B18X fit?

It fits every HiKOKI MultiVolt 36V tool, and it also runs HiKOKI 18V tools. It won't fit other brands' tools.

How long does the BSL36B18X take to charge?

From HiKOKI's own figures: UC36YSL2: 40 min, UC18YSL3: 52 min, UC18YFSL: 2 hr, UC18YKSL: 4 hr.

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