Keep compatible cordless tools ready for the next job. The ENEGYZ 21V Max 4.0Ah Li-Ion Replacement Battery delivers 4000mAh of portable power in a rugged slide-on pack with a four-level LED fuel gauge. It is designed for select VEVOR 20V tools and compatible Makita-style 18V/20V cordless-tool interfaces.

Battery only; charger and tool are not included. Confirm your tool model, slide rails, terminal layout, and charger compatibility before ordering.

Why Choose This ENEGYZ Replacement Battery?

• 4.0Ah / 4000mAh capacity: Supports longer work sessions and fewer battery changes.
• 21V Max lithium-ion power: Provides strong, consistent output for compatible drills, impact tools, saws, and other cordless equipment.
• Four-level LED charge indicator: Check the approximate remaining power before starting a task.
• Secure slide-on design: A sturdy housing and release latch support workshop and jobsite use.
• Multiple protection features: Designed with overcharge, over-discharge, short-circuit, and temperature protection.

VEVOR and Makita-Style Compatibility

This ENEGYZ battery is designed for select VEVOR 20V tools and compatible Makita-style 18V/20V cordless-tool platforms. Compatibility is not universal across either brand. Match the battery rail, electrical terminals, tool model, and charger before purchase. VEVOR and Makita are trademarks of their respective owners and are used only to describe compatibility; this product is not manufactured or endorsed by those brands.

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Technical Specifications

Frequently Asked Questions

Is this battery compatible with every VEVOR or Makita tool?

No. It fits select VEVOR 20V tools and compatible Makita-style 18V/20V interfaces. Compare your battery rails, terminals, tool model, and charger before ordering.

Does the battery include a charger?

No. This listing includes one ENEGYZ battery only. A compatible charger and power tool are sold separately.

How long does it take to charge?

The supplier indicates approximately 3 to 4 hours with an appropriate compatible charger. Actual charging time can vary by charger output, remaining charge, battery temperature, and operating conditions.

Can I recharge it before the battery is fully depleted?

Yes. Lithium-ion batteries can be topped up when convenient and are not subject to the traditional memory effect associated with some older rechargeable battery chemistries.

How can I check the remaining battery charge?

Press the indicator button to view the four-level LED fuel gauge and estimate the remaining charge.

What protection features are included?

The battery is designed with protection against overcharging, over-discharging, short circuits, and excessive temperature.

What should I verify before ordering?

Confirm your tool model, voltage platform, slide-rail shape, terminal arrangement, and charger compatibility. Contact TendSupplies if you need help comparing the connection shown in the product photos.

Ready to add dependable backup power? Select your quantity and add this ENEGYZ replacement battery to your cart.