Dual Slot 18V 21V Li-Ion Battery Charger for Makita BL1830
Charge Two Makita Batteries at Once — Stay Productive All Day
The Dual Slot 18V/21V Li-Ion Battery Charger is purpose-built for Makita power tool users who need a fast, reliable, and safe way to keep their batteries topped up. With two independent charging bays, you can charge two batteries simultaneously — cutting downtime in half and keeping your workflow running smoothly on the job site or in the workshop.
Made in Mainland China.
Key Features
- Dual Charging Bays: Charge two compatible Makita 18V or 21V lithium-ion batteries at the same time for maximum efficiency.
- High Current Output: Delivers a powerful, stable current (up to ≤37.5W output) for fast, dependable charging with minimal wait time.
- Intelligent Charging Technology: Automatically detects battery status and adjusts the charge rate — the charger also identifies and flags faulty batteries for added safety.
- Multi-Layer Safety Protection: Built-in safeguards against overcharging, over-discharge, short circuits, and automatic power-off protect both your batteries and your tools.
- Durable ABS Construction: High-quality ABS housing is built to withstand the rigors of regular workshop or job-site use.
- Compact & Portable: At just 200 × 115 × 65 mm, this charger fits neatly into a toolbox and travels easily between worksites.
- Universal AC Input: Compatible with AC 110–240V — works worldwide with both EU and US plug options available.
- Plug & Play Convenience: No complicated setup — simply insert your batteries and let the charger do the rest.
Technical Specifications
| Compatible Batteries | Makita 18V / 21V Li-Ion (BL1415, BL1815, BL1830, BL1850) |
| Input Voltage | AC 110–240V |
| Output Voltage | DC 18V / 21V |
| Max Output Power | ≤37.5W |
| Cable Length | 80 cm |
| Dimensions | 200 × 115 × 65 mm |
| Plug Options | EU / US (select at checkout) |
| Charging Slots | 2 (simultaneous) |
What's in the Box
- 1 × Dual Slot Battery Charger
- Note: Batteries are NOT included.
Compatible With
Makita BL1415, BL1815, BL1830, BL1850, and other compatible 18V/21V Makita lithium-ion battery packs used in electric drills, impact drivers, and other Makita power tools.
For general power tool and battery safety guidance, visit the U.S. Consumer Product Safety Commission — Battery Safety.
Learn more: Battery charger
Frequently Asked Questions
Q: Is this dual slot charger compatible with all Makita 18V lithium-ion batteries?
A: This charger is compatible with Makita 18V and 21V Li-Ion battery models including BL1415, BL1815, BL1830, and BL1850. Always verify that your specific battery model's connector matches before use.
Q: Can I charge two different battery models at the same time?
A: Yes — each charging slot operates independently. You can charge two batteries of the same or different compatible Makita models simultaneously, with no interference between slots.
Q: Does this charger work with both US and EU power outlets?
A: Yes. The charger supports a wide AC input range of 110–240V, making it suitable for both US and EU outlets. Simply select your preferred plug type (EU or US) when placing your order.
Q: What safety features does this charger include?
A: The charger features intelligent multi-protection technology including overcharge protection, over-discharge protection, short-circuit protection, and automatic power-off. It can also detect and flag faulty batteries automatically.
Q: Are batteries included with this charger?
A: No — this listing is for the charger unit only. Makita batteries are sold separately.