21V Lithium Battery and Charger, 4.0Ah Battery with Charger Adapter Led Indicator Compatible with Leaf Blower/Cordless Tiller Cultivator/4/6/8 in Mini Chainsaw/Other Tools with Same Interface

Widely Compatible Replacement BatteryThe 21V lithium-ion battery features a universal interface, perfectly compatible with many cordless power tools,making it a great replacement for damaged or worn-out batteries. It fits a wide range of cordless tools that share the same connector. including mini chainsaws, electric drills, leaf blowers, lawn mowers,and more.Please confirm that your tool's bottom connector matches before purchase. | High-Capacity Battery for Extended RuntimeBattery voltage: 21v, capacity: 4000mah, type: lithium ion, made of 10 pcs quality lithium ion battery,can provide stable capacity and output. this battery delivers longer working time and eliminates tool runtime anxiety. It's easy to install and remove. | Fast-Charging Adapter IncludedEach battery pack includes a universal 100-240V AC adapter. Support 100-240v universal standard ac input voltage.2A power adapter,us plug,led indicator to easily see the charging situation. Charge efficiently and get back to work quickly with this reliable charging solution. | Multi-protect safety systemEngineered in-house by , this lithium-ion battery meets strict quality and safety standards. This battery is equipped with overload protection, overheat protection, over-discharge protection,over-current protection & over-voltage protection.ensuring safe and stable performance for all your cordless power tools. | Note on BatteryIn order to protect the battery, Please Fully charge the battery before its first use. please do not charge more than 4 hours.Please do not charge the battery for overnight since it will badly damage the battery life. Do not use any other type of charger for charging. Please use our original charger to charge our battery, as this will maximize the battery's lifespan. | Friendly After-Sales ServiceFor any non-human damage or reasons where you are not completely satisfied with our product, we will immediately provide you with a satisfactory after-sales solution (or replace your item). Complete after-sales service, 24-hour customer support, buy with confidence!