Bonacell 2Pack 8.0Ah Replacement for Makita 18V Battery Compatible with Makita 18Volt Battery BL1815 BL1815N BL1820 BL1820B BL1830 BL1840 BL1840B BL1850 BL1840B

Features

• 8.0Ah Ultra-High Capacity & Stable 18V OutputThis 2-pack upgraded 8.0Ah high-density lithium-ion battery features an enlarged capacity compared with standard batteries, greatly extending runtime for Makita 18V cordless power tools. It delivers consistent 18V steady voltage output without power drop or attenuation during heavy-load work, ensuring continuous and efficient operation for long-time construction and DIY projects
• Full OEM Compatibility for Makita 18V Battery SeriesPerfect replacement for Makita original 18V LXT lithium batteries, fully compatible with BL1815, BL1815N, BL1820, BL1820B, BL1830, BL1840 and BL1840B. Adopts 1:1 OEM mold design to match original size and interface perfectly, seamlessly working with Makita 18V cordless tools and original chargers without any modification
• Intelligent BMS Multi-Layer Safety ProtectionBuilt-in premium intelligent BMS chip provides comprehensive protection against overcharge, overdischarge, overcurrent, short circuit, overload and overheating. Equipped with high-strength heat-resistant shell and excellent heat dissipation structure to reduce operating heat. All batteries pass strict CE, FCC, RoHS and UN38.8 certification to guarantee safe daily professional and household use
• High Cycle Durability & Stable PerformanceAdopts high-quality industrial-grade lithium cells with low internal resistance, supporting hundreds of charge-discharge cycles with minimal capacity loss. The optimized internal structure effectively avoids cell shaking and damage, maintaining stable power output and long-lasting service life under frequent high-intensity work scenarios
• Plug-and-Play & Worry-Free After-SalesPrecise reserved interface enables plug-and-play installation with zero adaptation issues, retaining all original tool functions. Compact and lightweight design avoids extra handheld burden. We provide professional after-sales support with reliable quality assurance, solving compatibility and usage problems efficiently