# Makita BL4040 40V MAX XGT 4.0 Ah Li-Ion Battery > Makita BL4040 40V MAX XGT 4.0 Ah Li-Ion Battery. Compatible with Makita's 40V MAX XGT tools. Features 4 LED indicators for charge level, advanced technology, and fast 45 minute charging - at Nail Gun Depot - **URL:** https://www.nailgundepot.com/makita-bl4040-40v-max-xgt-4-0-ah-li-ion-battery - **Breadcrumbs:** Home > Makita BL4040 40V MAX XGT 4.0 Ah Li-Ion Battery - **SKU:** BL4040 - **Brand:** Makita - **Price:** 239 USD - **Availability:** InStock --- SKU#: BL4040 BOX COUNT: 1 [0 Reviews](https://www.nailgundepot.com/makita-bl4040-40v-max-xgt-4-0-ah-li-ion-battery#reviews) [Write Review](https://www.nailgundepot.com/makita-bl4040-40v-max-xgt-4-0-ah-li-ion-battery#reviews) ![Makita BL4040 40V MAX XGT 4.0 Ah Li-Ion Battery](https://www.nailgundepot.com/media/catalog/product/b/l/bl4040.png) ![Makita BL4040 40V MAX XGT 4.0 Ah Li-Ion Battery side view](https://www.nailgundepot.com/media/catalog/product/m/a/makita_bl4040_feature_shot_profile_left_.jpg) ![Makita BL4040 40V MAX XGT 4.0 Ah Li-Ion Battery angle side view](https://www.nailgundepot.com/media/catalog/product/m/a/makita_bl4040_feature_shot_profile_diagnal_left_.jpg) ![Makita BL4040 40V MAX XGT 4.0 Ah Li-Ion Battery angle view](https://www.nailgundepot.com/media/catalog/product/m/a/makita_bl4040_feature_shot_profile_back_left_.jpg) ![Makita BL4040 40V MAX XGT 4.0 Ah Li-Ion Battery side top angle](https://www.nailgundepot.com/media/catalog/product/m/a/makita_bl4040_product_shot.jpg) ![Makita BL4040 40V MAX XGT 4.0 Ah Li-Ion Battery side view angled](https://www.nailgundepot.com/media/catalog/product/m/a/makita_bl4040_feature_shot_profile_diagnal_right_.jpg) ![Makita BL4040 40V MAX XGT 4.0 Ah Li-Ion Battery top view](https://www.nailgundepot.com/media/catalog/product/m/a/makita_bl4040_feature_shot_top_.jpg) ![Makita BL4040 40V MAX XGT 4.0 Ah Li-Ion Battery with charge indicator](https://www.nailgundepot.com/media/catalog/product/m/a/makita_bl4040_feature_shot_profile_front_.jpg) ![Makita BL4040 40V MAX XGT 4.0 Ah Li-Ion Battery specs](https://www.nailgundepot.com/media/catalog/product/m/a/makita_bl4040_feature_shot_call-outs_.jpg) ![Makita BL4040 40V MAX XGT 4.0 Ah Li-Ion Battery charge time](https://www.nailgundepot.com/media/catalog/product/4/5/45_minute_charge_time_horizontal_logo_color_on_white_1_.jpg) ![Makita BL4040 40V MAX XGT 4.0 Ah Lithium-ion battery](https://www.nailgundepot.com/media/catalog/product/l/o/logo_-_xgt_4_0ah_battery_charge_indicator_color_on_white_1_.jpg) ### $239.00 #### ACCESSORIES [**SKU#:DC40RB**](https://www.nailgundepot.com/makita-dc40rb-40v-max-xgt-dual-port-rapid-optimum-charger) [Makita DC40RB 40V Max XGT Dual Port Rapid Optimum Charger](https://www.nailgundepot.com/makita-dc40rb-40v-max-xgt-dual-port-rapid-optimum-charger) Box count: 1 ## **$219.00** [**SKU#:DC40RA**](https://www.nailgundepot.com/makita-dc40ra-40v-max-xgt-rapid-optimum-charger) [Makita DC40RA 40V Max XGT Rapid Optimum Charger](https://www.nailgundepot.com/makita-dc40ra-40v-max-xgt-rapid-optimum-charger) Box count: 1 ## **$159.00** ## PURCHASED TOGETHER [**SKU#:BL4025**](https://www.nailgundepot.com/makita-bl4025-40v-max-xgt-2-5-ah-li-ion-battery) [Makita BL4025 40V MAX XGT 2.5 Ah Li-Ion Battery](https://www.nailgundepot.com/makita-bl4025-40v-max-xgt-2-5-ah-li-ion-battery) Box count: 1 ## **$179.00** [**SKU#:BL4040F**](https://www.nailgundepot.com/makita-bl4040f-40v-max-xgt-4-0-ah-high-power-li-ion-battery) [Makita BL4040F 40V MAX XGT 4.0 Ah High Power Li-Ion Battery](https://www.nailgundepot.com/makita-bl4040f-40v-max-xgt-4-0-ah-high-power-li-ion-battery) Box count: 1 ## **$269.00** [**SKU#:BL1850B**](https://www.nailgundepot.com/makita-bl1850b-18v-lxt-5-0-ah-li-ion-battery) [Makita BL1850B 18V LXT 5.0 Ah Li-Ion Battery](https://www.nailgundepot.com/makita-bl1850b-18v-lxt-5-0-ah-li-ion-battery) Box count: 1 ## **$169.00** [**SKU#:BL1860B**](https://www.nailgundepot.com/makita-bl1860b-18v-lxt-6-0-ah-li-ion-battery) [Makita BL1860B 18V LXT 6.0 Ah Li-Ion Battery](https://www.nailgundepot.com/makita-bl1860b-18v-lxt-6-0-ah-li-ion-battery) Box count: 1 ## **$209.00** #### PRODUCT OVERVIEW Power up XGT tools with the Makita BL4040 40V Max XGT Battery. Engineered to outlast the competition, XGT batteries offer the consistent high output required to keep workers efficient every step of the way. The BL4040 4.0 Ah battery features an advanced design with sophisticated technology. It is designed with an impact-resistant outer case and shock-absorbing inner-liner that is built to survive the harshest job site conditions. XGT Batteries feature rigid rails with impact-resistant construction to secure the battery to the tool during high-demand applications. Makita's 40V Max XGT batteries utilize smart technology, featuring a digital communication system that allows the battery and tool to "talk" in real-time, actively monitoring heat, overload, and over-discharge to optimize power delivery. The digital communication within XGT batteries optimizes performance to provide up to 2X longer sustained power under heavy-load applications. Despite its higher voltage and power output, the system is extremely efficient with fast charging capabilities. The BL4040 battery reaches a full charge in only 45 minutes or less! Purchase the Makita BL4040 40V Max XGT 4.0Ah Battery today from Nail Gun Depot. SPECIFICATIONS **Resources** **[BL4040 Safety Data Sheet](https://cdn.makitatools.com/apps/cms/doc/prod/Lit/ac3a5166-69fb-4ded-a371-14c62a78db54_Lithium-ion_Battery_BL4040.pdf)** **Box Count** 1 **SKU** BL4040 **UPC** 088381583664 **Brand** Makita **Condition** New **Battery Type** Lithium-Ion **Charge Time** 45 Minutes **Tool Compatibility** Makita 40V XGT Tools **Temperature Range** -4°F to 122°F **Product Color** Black **Case/Bag Included** No **Manufacturer's Warranty** Three-Year Limited **Item Width** 3-1/4" **Special Features** Impact Resistant, Cooling System, LED Charge Indicator **Item Height** 2-13/16" **Item Length** 5-1/4" **Item Weight** 2.2 lbs **Product Type** Battery **Amp Hours** 4.0 Ah **Special Offer** No **Voltage** 40V #### QUESTIONS & ANSWERS No questions yet. Be the first to ask the question! #### REVIEWS Only registered users can write reviews. Please [Sign in](https://www.nailgundepot.com/customer/account/login) or [create an account](https://www.nailgundepot.com/customer/account/create) #### TECHNICAL RESOURCES **[BL4040 Safety Data Sheet](https://cdn.makitatools.com/apps/cms/doc/prod/Lit/ac3a5166-69fb-4ded-a371-14c62a78db54_Lithium-ion_Battery_BL4040.pdf)** --- _Source: [Nail Gun Depot](https://www.nailgundepot.com/)_ _Generated: 2026-10-25T07:48:12.064Z_