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Makita BL1021B 12V max CXT 2.0Ah Lithium-Ion Battery1 / 5
Product guide

Makita BL1021B 12V max CXT 2.0Ah Lithium-Ion Battery

Makita BL1021B is a 12V max CXT slide-style lithium-ion battery rated at 2.0Ah. Its integrated LED charge-level indicator and compact design suit buyers adding a battery to compatible CXT tools. Confirm your tool and charger use the CXT slide-style format, since the listing excludes pod-style tools and chargers.

At a glance

  • Slide-style battery for Makita 12V max CXT tools.
  • Integrated LED charge-level indicator.
  • Compact design, with a listed weight of 204 g.
  • Manufacturer specifies DC10WD and DC10SB chargers and says the battery is not compatible with 12V max pod-style tools or chargers.
Price
$64.98Save 32%

Reference price: $96.07

Price checked: Nov 13, 2026

View offer

Often bought together

Pros and cons

Pros

  • On-board charge-level indicator helps users check remaining charge at a glance.
  • Compact slide-style format is suited to buyers who already use compatible Makita CXT tools.
  • The supplied customer feedback describes good quality, performance and charge retention.

Technical specifications

7 specifications
Identity
BrandMakita
ModelMakita BL1021B 12V max CXT® Lithium-Ion 2.0Ah Battery
Power and battery
Battery typeLithium Ion
Capacity2 amp_hours
Voltage12 volts
Dimensions and installation
Dimensions listed6.6 x 16 x 14.5 centimetres
Weight listed204 g

What to know before buying

  • The listing title claims compatibility with all Makita 12V CXT tools and a 30-minute charge time using DC18RE or DC10SB, but manufacturer details say the battery is not compatible with pod-style tools or chargers and specify DC10WD and DC10SB chargers. Confirm the exact tool, battery format, charger and applicable charge-time claim before purchase.

What’s in the box

Included
  • 12V max CXT Lithium-Ion 2.0Ah Battery

Who is it for?

A good fit for

  • Owners of Makita 12V max CXT slide-style tools seeking a 2.0Ah replacement or spare battery.
  • Buyers who want an on-battery LED charge indicator.

Less suited to

  • Owners of 12V max pod-style tools or chargers.
  • Buyers needing a battery for Makita 18V LXT tools.
Makita BL1021B 12V max CXT 2.0Ah Lithium-Ion Battery · photo 2
Additional product photo 2

Customer reviews on Amazon

4.5 / 5 · 437 ratings
  • 5 stars77%77%
  • 4 stars11%11%
  • 3 stars5%5%
  • 2 stars2%2%
  • 1 star5%5%

Customer feedback describes the battery as good quality and reports good performance, charge retention and longer-than-expected use. Those impressions are relevant for buyers seeking a spare CXT battery, but they do not establish runtime for a particular tool or workload. Aggregate ratings are generally favourable, though lower ratings are also present.

Positive themes

  • Customers describe the battery as good quality.
  • Feedback reports good performance and charge retention.

Frequently asked questions

Which tools and chargers does the listing specify for the BL1021B?

Manufacturer details identify Makita 12V max CXT slide-style tools and specify DC10WD and DC10SB chargers. They say it is not compatible with 12V max pod-style tools or chargers, so check your exact equipment.

Does the listing confirm a 30-minute charge time?

The title claims 30 minutes using DC18RE or DC10SB, while manufacturer details specify DC10WD and DC10SB and do not confirm that same charge-time claim. Verify the charger and applicable charge time before buying.

Does the battery include a charge indicator?

Yes. The manufacturer describes an integrated LED battery charge-level indicator.

Makita BL1021B 12V max CXT 2.0Ah Lithium-Ion Battery · photo 3
Additional product photo 3

Alternative options

Product details in Markdown