1 / 5Makita 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.
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| Brand | Makita |
|---|---|
| Model | Makita BL1021B 12V max CXT® Lithium-Ion 2.0Ah Battery |
| Battery type | Lithium Ion |
|---|---|
| Capacity | 2 amp_hours |
| Voltage | 12 volts |
| Dimensions listed | 6.6 x 16 x 14.5 centimetres |
|---|---|
| Weight listed | 204 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?
Customer reviews on Amazon
- 5 stars
77% 77% - 4 stars
11% 11% - 3 stars
5% 5% - 2 stars
2% 2% - 1 star
5% 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.

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