




Features
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Top-Notch Li-ion Cells: The cells used in our battery packs represent the world's most cutting-edge battery technology, boasting the highest levels of energy density. We use only the grade-A quality cells from world's top manufacturers such as Samsung, LG, Sony, Sunpower, Highstar, EVE, and more.
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Fireproof Plastic Materials: Crafted with UL 94 V-0 rated flame-retardant PC/ABS materials, our battery housing guarantees maximum safety and protection against fire.
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LED Charge Indicator: The integrated LED charge indicator functions as a fuel gauge for the battery, allowing users to monitor the battery charge in real time for optimal usage.
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Protection Circuit: Equipped with a multi-protection circuit module (PCM), our batteries actively safeguard against overcharge, over-discharge, overload, overheat, short circuit, and more. (*Specific protection features may vary for each battery to maintain consistency with the original battery.)
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Perfect Compatibility: Each battery undergoes rigorous testing on original Makita power tools to ensure seamless match and optimal performance.
Replace Part Number (P/N):
BL4020, BL4025, BL4030, BL4040, BL4050F, BL4080F, 191L29-0...
Compatible with all Makita 40V and 80V max XGT series power tools
*COMBO KITS: GMH02PM, GMH02Z, GMH01M1, GMH01Z
*VACUUMS: GLC01R1, GLC01Z
*FANS: CF002GZ, CF001GZ
*RADIOS & SPEAKERS: GRM03, GRM01, GRM02
*LIGHTING: ML003G, ML006G, ML001G, ML002G
*GRINDING, SANDING & POLISHING: GAG07Z, GAG08Z, GAG01Z, GAG03Z, GAG04Z, GAG06Z, GAG10Z
*SAWS: GSL02Z, GSH01Z, GSH02Z, GSR01Z, GSR02Z, GSL04M1, GSL04Z, GSL03M1, GSL03Z, GSL02M1, GRJ01M1, GRJ01Z, GT401M1D1, GPS01Z
*OUTDOOR POWER EQUIPMENT: GBU01M1, GBU01Z, GRU01M1, GRU01Z, GUX01JM1X1, GUX01Z, GUX01ZX1, GHU01M1, GHU01Z, GHU02M1, GHU02Z, GHU03M1, GHU03Z
*DRILLS & FASTENING: GAD01M,1GAD01Z,GAD02M1,GAD02Z, GFD01D, GFD01Z, GFD02D, GFD02Z, GPH01D, GPH01Z, GPH02D, GPH02Z, GDT01D, GDT01Z, GT200D, GT400M1D1, GT401M1D1,GWT07D, GWT07Z, GWT08D, GWT01D, GWT01Z, GWT04D, GWT04Z, GWT05D, GWT05Z,GRH07Z, GRH07ZW, GRH06Z, GRH01ZW, GRH01Z, GRH02Z, GRH05Z
Product Name
RHY 40V Max 3.0Ah 4.0Ah 5.0Ah Li-ion BL4040 Replacement Battery For Makita Power Tools
Item No.
RHY-BL4040
Compatible Brand
Makita
Application
Power tools
Battery Type
Rechargeable lithium-ion battery pack
Nominal Voltage
36V (40V max)
Capacity
3.0Ah, 4.0Ah, 5.0Ah
Watt-hour
108Wh–180Wh
Cell Size
21700
Cell Array
10S1P
Total # of Cells
10
Color
Black
Material
PC/ABS
Labels & Stickers
Neutral