12V 3.0Ah Lithium-Ion Battery Pack | BL1021 Type | Rechargeable Cordless Tool Battery

12V 3.0Ah Lithium-Ion Battery Pack | BL1021 Type | Rechargeable Cordless Tool Battery

🏷️ Product Title

Primary Title:

C1 12V 3.0Ah Lithium-Ion Replacement Battery for Makita BL1021 BL1021B BL1020B BL1040B — 50% More Capacity, CXT Compatible

Short / Hero Title:

C1 12V 3.0Ah Battery — Drop-In Upgrade for Makita 12V Max CXT Tools

📝 Product Description

More Capacity. Same Fit. Longer Run Time.

Upgrade your Makita 12V Max CXT toolkit with the C1 12V 3.0Ah Lithium-Ion Battery — a direct replacement for Makita BL1021 / BL1021B that gives you 50% more capacity than the standard 2.0Ah OEM battery. Same slide-style fit. Same reliable connections. Just more power to get through the job.

Why the C1 12V 3.0Ah?

⚡ 50% Capacity Boost Over OEM At 3.0Ah vs the standard 2.0Ah, you get significantly more runtime per charge — fewer interruptions, more work done. Perfect for demanding tasks like drilling, driving, and cutting.

🔧 Wide CXT Compatibility Compatible with Makita 12V Max CXT power tools and replaces part numbers BL1015, BL1016, BL1020B, BL1021, BL1021B, BL1040, BL1040B, BL1041, and BL1041B. One battery for your whole 12V kit. Big Time Battery

🔌 Works with Your Existing Charger Fully compatible with Makita chargers DC10SB and DC10WD — no need to buy new charging equipment. Big Time Battery

🛡️ Built-In Protection Circuit Features individual cell monitoring and a battery protection circuit, guarding against overcharge, over-discharge, overheating, and short circuits for safe, reliable use every time. Tools4Trade

❄️ Cold Weather Ready Engineered for low temperature performance down to -20°C, so your tools keep working even in harsh winter job site conditions. Tools4Trade

📊 LED Charge Indicator A battery fuel gauge with 4-stage LEDs lets you check your charge level at a glance — no more guessing when you’re about to run out. Tools4Trade

🔗 Secure Slide-Style Connection Multi-contact slide-type terminal ensures stable contact even under extreme vibration, keeping your tools running smoothly no matter the conditions. Tools4Trade

Specifications

What’s in the Box

• 1x C1 12V 3.0Ah Lithium-Ion Battery (BL1021 compatible)

Perfect For

• Tradespeople who want more runtime without changing their existing 12V CXT tool lineup
• Anyone whose OEM 2.0Ah battery no longer holds a charge
• DIYers looking for a cost-effective, higher-capacity upgrade

💡 For best performance, complete 2–3 full charge/discharge cycles when first using. Store in a cool, dry place away from direct sunlight.