21V Tool Batteries
prices on 117 modelsWhen you make a purchase through links on our site, we may receive a affiliate commission.
![]() | Optimized Battery Management: Easily monitor your battery's charge level with our LED display indicators, designed specifically for 18V and 21V... |
![]() | The protection board is for 5 series Li-ion batteries, mainly used for electric power tools. It uses special IC for 5S lithium batteries as... |
![]() | Overcharge protection, overcurrent protection Short circuit protection, overtemperature protection Made of high-quality materials Easy to use Wide... |
![]() | Optimized Battery Management: Easily monitor your battery's charge level with our LED display indicators, designed specifically for 18V and 21V... |
![]() | 100%newandhighqualit |
You may be interested in
![]() | High-Performance Motor: Experience superior performance with the 775 DC 21V motor, designed for high-speed operations while maintaining low noise... |
![]() | Optimized Battery Management: Easily monitor your battery's charge level with our LED display indicators, designed specifically for 18V and 21V... |
![]() | Overcharge protection, overcurrent protection Short circuit protection, overtemperature protection Made of high-quality materials Easy to use Wide... |
![]() | Name: protection board Charging voltage: 21 V; Charge MOS pressure value: 35 V; Discharge MOS pressure value: 35 V; Charging current: 56 A;... |
![]() | 1. Made of high-quality materials with stable performance, this protective plate is suitable for 5S lithium-ion batteries and is mainly used for... |
![]() | The protection board is used for 5 series lithium-ion batteries, mainly used in power tools It uses an IC dedicated to 5S lithium batteries as a... |
![]() | MTB18DYL Adapter for 18V Li-Ion Battery BL1830 HongSong JiangMi ZhiPu DAYI 21V Lithium Electric Tool With MTB18DYL, you can use the for 18V Li-ion battery or for HongSong JiangMi ZhiPu DAYI 21V Lithium tools. The bottom of the converter applicable... |
![]() | 1. Made of high-quality materials with stable performance, this protective plate is suitable for 5S lithium-ion batteries and is mainly used for... |
![]() | 100% brand new and high quality. The protection board is for 5 series Li-ion batteries, mainly used for electric power tools. It uses special IC for... |
![]() | Optimized Battery Management: Easily monitor your battery's charge level with our LED display indicators, designed specifically for 18V and 21V... |
![]() | Ensure stability of your power tool with our 21V lithium battery Protective board, efficiently protective your batteries. for professional tool users, |
![]() | Optimized Battery Management: Easily monitor your battery's charge level with our LED display indicators, designed specifically for 18V and 21V... |
![]() | With MTB18DYL, you can use the for 18V Li-ion battery or for HongSong JiangMi ZhiPu on 21V Lithium tools. The bottom of the converter applicable for... |
![]() | Overcharge protection, overcurrent protection Short circuit protection, overtemperature protection Made of high-quality materials Easy to use Wide... |
![]() | Overcharge protection, overcurrent protection Short circuit protection, overtemperature protection Made of high-quality materials Easy to use Wide... |
![]() | Overcharge protection, overcurrent protection Short circuit protection, overtemperature protection Made of high-quality materials Easy to use Wide... |
![]() | With MTB18DYL, you can use the for 18V Li-ion battery or for HongSong JiangMi ZhiPu on 21V Lithium tools. The bottom of the converter applicable for... |
![]() | Product Overview: Enhance the safety and efficiency of your electric tools with our advanced 21V Li-Battery Protection Board. Designed with a 7MOS... |
![]() | Universal Compatibility: Designed to fit a wide range of style electric tools, this battery protection board is perfect for enhancing the safety and... |
24 more item(s)























