Hardin HD-BL4040 40V 4.0Ah Lithium-Ion Battery Compatible with Makita 40V XGT Tools
The Hardin HD-BL4040 40V 4.0Ah Lithium-Ion Battery delivers dependable aftermarket power for compatible Makita 40V XGT cordless tools. Built with a true 4.0Ah capacity at the higher 40V platform, it provides the power and runtime needed for demanding high-voltage cordless applications including heavy-duty drilling, cutting, and fastening. An integrated LED charge level indicator allows users to monitor remaining battery power at a glance, and the impact-resistant outer case with shock-absorbing inner liner protects internal cells against drops and impacts during daily jobsite use. The HD-BL4040 is a practical replacement or backup battery for contractors, technicians, and shops running compatible Makita 40V XGT tools who need a cost-effective alternative to OEM pricing.
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Features:
- Aftermarket equivalent similar to the Makita BL4040 40V 4.0Ah battery — engineered to deliver similar fit, voltage, and capacity at a cost-effective price point.
- Delivers consistent 40V cordless power with a true 4.0Ah capacity for reliable runtime across compatible Makita 40V XGT tools.
- Monitors battery status immediately with an integrated LED charge level indicator that shows remaining power without a separate tester.
- Protects internal components with an impact-resistant outer case and shock-absorbing inner liner built to withstand regular jobsite handling.
- Engineered for fade-free power delivery in demanding jobsite conditions and high-draw cordless applications.
- Serves as a practical and cost-effective replacement or backup battery for compatible Makita 40V XGT cordless tool platforms.
Specifications:
- Battery Type: Lithium-Ion
- Voltage: 40V
- Capacity: 4.0Ah (True Rated)
- Charge Level Indicator: Yes (Integrated LED)
- Compatibility: Makita 40V XGT Tools
| Brand | Hardin |
|---|---|
| Model# | HD-BL4040 |

