Heimerdinger 4000mAh Replacement Battery and Charger for Makita 18V Battery Compatible with BL1840B for Cordless Power Tools
Product details
| Management number | 231700287 | Release Date | 2026/06/18 | List Price | $17.60 | Model Number | 231700287 | ||
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| Category | |||||||||
【High-quality battery】Upgraded 4000mAh battery which offers longer run time than the original one. Input:100-240V50-60Hz,0.8AOutput:21V,0.75AThe Heimerdinger 4000mAh Replacement Battery and Charger is a high-performance power solution designed for 18V cordless tools, ensuring seamless compatibility with models like BL1840B, BL1850B, and more. Crafted with premium lithium-ion cells, this battery delivers long-lasting durability and stable power output—never made from recycled or low-quality materials.Featuring advanced current protection technology, it prevents overheating, over-discharge, and short circuits, while CE/FCC/RoHS certifications guarantee safety. Note: The included charger is not compatible with M@kita’s original chargers but pairs perfectly with Heimerdinger batteries. Power your drills, saws, blowers, and other 18V LXT tools with reliable energy—no compromises!
- Specification:Battery type: Increase current protection Lithium | Voltage: 18V | Capacity: 4000mAh *1Pack+1 Charger | Brand new high-quality power tool battery.
- Applicable Model:Compatible with 18V LXT Cordless Power Tool, BL1860B,BL1850B, BL1840B, BL1830B...
- Increase Current Protection:Each battery cell increases current protection, compared with ordinary batteries, it can prevent common battery problems such as overheating/explosion/power instability！
- Safe & Reliable:CE/FCC/RoHS Certified, built-in over-discharge, overload and short-circuit protection feature.
- Compatible with Cordless Power Tools:Such as your Makita 18V Drill / Circular Saw / Blower / Driver / Impact Wrench / Hedge Trimmer / Pipe Threader / Braking Grinder / Recip Saw / Band Saw / Hackzall / Chainsaw / Jig Saw / Nailer / Drywall Screw Gun / Rotary Hammer and so on ..
| ASIN | B0CQF9T7Z2 |
|---|---|
| Brand | Heimerdinger |
| Voltage | 18 Volts |
| Amperage | 0.8 Amps |
| Model Name | Replacement Battery |
| Unit Count | 1 Count |
| Item Weight | 1.3 Pounds |
| Reusability | Rechargeable |
| Manufacturer | Heimerdinger |
| Model Number | YD-CFJ21-10 |
| Battery Weight | 0.65 Kilograms |
| Antenna Location | Cordless Power Tools, Heimerdinger Cordless Power Tools |
| Battery Capacity | 4000 Milliamp Hours |
| Battery Cell Type | Lithium Ion |
| Number of Batteries | 1 Lithium Ion batteries required. (included) |
| Warranty Description | 1 |
| Compatible Phone Models | Cordless Power Tools |
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