S7 21V 4.0Ah Lithium Ion Battery with Led Indicator

S7 21V 4.0Ah Lithium Ion Battery with Led Indicator

• 【Widely Compatibility】S7 21V battery designed as a universal alternative, this battery seamlessly works with a wide range of 21v cordless power tools from various brands, including mini chainsaws, leaf blowers, drill, string trimmers, lawn mowers, and hedge trimmers. (Please double-check your tool's voltage and connector type before purchase to ensure a perfect fit)
• 【21 Volt Lithium Battery】Battery voltage: 21v, capacity: 4000mAh, type: Lithium-ion. It delivers extended runtime, allowing you to finish trimming, cutting, and blowing without constant interruptions for recharging
• 【High Quality Battery】21 volt lithium-ion rechargeable battery is made of high-quality ABS and metal materials, which are sturdy and durable. 21v max battery is equipped with overload protection, overheat protection & over-discharge protection
• 【4-LED Intelligent Power Indicator】Never guess your battery's life again! 21V 4.0Ah backup battery is equipped with a 4-level LED indicator light, which displays the remaining battery level at a glance. Just press the button to know exactly when to recharge, so you can say goodbye to unexpected power outages in the middle of your yard work or project
• 【Note】1. In order to protect the rechargeable 21V batteries, please do not charge more than 6 hours. 2. Please Fully charge the battery before its first use. 3. Please do not charge the battery for overnight since it will badly damage the battery life
• 【After Sales Service】If you are not completely satisfied with the 21v replacement tool battery, Please contact us 24 hours a day (Find your order on Amazon, click on "Contact Seller" or "Get Order Help")