Specs from the makers' own documentation Battery compatibility built in UK retailer prices, updated daily 25+ years of trade experience
‹ All HiKOKI 18V batteries
18V
2.0Ah BSL1820M 18V · 0.38kg No product photo yet
Fits
31 HiKOKI 18V toolsSee them ›
Charges
20 min on 2 of the 4 chargers HiKOKI lists for itCharge times ›
Specs
From HiKOKI's own documentation
HiKOKI · 18V platform

HiKOKI BSL1820M 18V 2.0Ah battery

2.0Ah 36Wh 0.38kg Fuel gauge

HiKOKI BSL1820M 2.0Ah 18V slide pack (36Wh), 0.38kg. Fuel gauge: Yes.

Adds it to My Tools, kept on this device
Price
No retailer price yet
None of the retailers we track lists it right now.
2.0AhCapacitymaker figure
36WhEnergymaker figure
0.38kgWeightmaker figure
95Wh/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 18V batteries ›
ModelSizeEnergyWeightLowest pricePer Ah
BSL1820M This one 2.0Ah 36Wh 0.38kg No price yet
BSL1830C 3.0Ah 54Wh 0.38kg No price yet
BSL1840M 4.0Ah 72Wh 0.56kg No price yet
BSL1850C 5.0Ah 90Wh 0.55kg No price yet
BSL1850MA 5.0Ah 90Wh 0.65kg 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. "Not listed" where HiKOKI doesn't publish a figure.

Voltage18V
Capacity2.0Ah
Energy36Wh
ChemistryLi-ion (cylindrical)
Cell typeNot listed
Weight0.38kg
Size (L × W × H)116 × 76 × 49 mm
Fuel gaugeYes
PlatformHiKOKI 18V
Model codeBSL1820M

Charge times

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

UC18YSL3Rapid charger
20 min
No retailer price yet
UC36YSL2Super fast charger
20 min
No retailer price yet
UC18YFSLFast charger
30 min
No retailer price yet
UC18YKSLStandard charger
1 hr
No retailer price yet

HiKOKI's own figures.

Fits these tools

Every HiKOKI 18V tool takes this pack. It won't fit other brands' tools.

All 31 HiKOKI 18V tools ›
SDS+ Hammer Drills6 tools › Reciprocating Saws4 tools › Multi-Tools3 tools › Second Fix Nailers3 tools › First Fix Nailers2 tools › Jigsaws2 tools › Handheld Vacuums2 tools › Concrete & Steel Nailers1 tool › Positive Placement Nailers1 tool › Pin Nailers1 tool › Random Orbital Sanders1 tool › Trim Routers & Edge Trimmers1 tool › Brad Nailers1 tool › Planers1 tool › Angle Drills1 tool › Site Vacuums1 tool ›

2.0Ah 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
HiKOKIBSL1820M 36Wh 0.38kg 95 No price yet
BoschGBA18V-20 36Wh 0.35kg 103 £56.99£28.50
Bosch Green1600Z0003U 36Wh Not listed £29.95£14.98
DeWaltDCB183 36Wh 0.4kg 90 £44.95£22.48
Einhell4511395 36Wh 0.4kg 90 £19.95£9.98
MakitaBL1820B 36Wh 0.38kg 95 £49.95£24.98

BSL1820M questions

Which tools does the BSL1820M fit?

It fits every HiKOKI 18V tool. It won't fit other brands' tools.

How long does the BSL1820M take to charge?

From HiKOKI's own figures: UC18YSL3: 20 min, UC36YSL2: 20 min, UC18YFSL: 30 min, UC18YKSL: 1 hr.

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