--- product_id: 181909643 title: "Kratax 9v Rechargeable Batteries 4 Pack 850mAh high Capacity 9 Volt 6F22 Lithium Batteries Rechargeable, 1000 Cycles for Smoke Alarms Guitar Multimeter Microphones-Charger NOT Included" brand: "kratax" price: "1841598₫" currency: VND in_stock: true url: https://www.desertcart.vn/products/181909643-kratax-9v-rechargeable-batteries-4-pack-850mah-high-capacity-9 store_origin: VN region: Vietnam --- # 1000 recharge cycles 850mAh high capacity Multi-layer safety protection Kratax 9v Rechargeable Batteries 4 Pack 850mAh high Capacity 9 Volt 6F22 Lithium Batteries Rechargeable, 1000 Cycles for Smoke Alarms Guitar Multimeter Microphones-Charger NOT Included **Brand:** kratax **Price:** 1841598₫ **Availability:** ✅ In Stock ## Summary > 🔋 Power up smarter, last longer, and stay safe—because your gear deserves the best. ## Quick Answers - **What is this?** Kratax 9v Rechargeable Batteries 4 Pack 850mAh high Capacity 9 Volt 6F22 Lithium Batteries Rechargeable, 1000 Cycles for Smoke Alarms Guitar Multimeter Microphones-Charger NOT Included by kratax - **How much does it cost?** 1841598₫ with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/181909643-kratax-9v-rechargeable-batteries-4-pack-850mah-high-capacity-9) ## Best For - kratax enthusiasts ## Why This Product - Trusted kratax brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Eco-Smart Choice:** Low self-discharge and free from toxic heavy metals, these batteries keep your carbon footprint low while maximizing performance. - • **Power That Lasts:** 40% more capacity than standard 600mAh batteries means your devices stay energized longer—no more mid-use power drops. - • **Endurance Champion:** Up to 1000 recharge cycles, delivering 3x the lifespan of alkaline batteries—sustain your tech without constant replacements. - • **Safety First, Always:** Built-in protections guard against overcharge, overcurrent, and short circuits—peace of mind for your valuable devices. - • **Universal Compatibility:** Seamlessly powers everything from smoke alarms to electric guitars and multimeters—one battery to rule them all. ## Overview Kratax 9V rechargeable lithium batteries deliver an impressive 850mAh capacity with up to 1000 recharge cycles, outperforming standard alkaline batteries by 3x in lifespan. Designed for wide compatibility across professional and household devices, they feature advanced multi-protection safety systems and eco-friendly materials, ensuring reliable, long-lasting power without harmful toxins. ## Description Full description not available ## Features - 850mAh High Capacity: Kratax 9v rechargeable batteries cycle life can reach 1000 times, 40% higher capacity than other brands of 600mAh lithium-ion battery, full charge voltage: 8.4V-8.7V, maximum output current: 2.3A, larger capacity and ultra long lasting. The service life is 3 times that of alkaline batteries and 5 times that of carbon batteries. - Wide Compatibility: Our rechargeable 9v battery is suitable for various electrical appliances such as Wireless Microphone, Multimeter, Electric Guitars, Walkie-talkie, Toy Remote Controls, Smoke Alarm, Smoke Detectors, Cameras, Massagers, Alarm Clocks, Portable Radios, Transistor Radio. - Multi-Protection: Kratax 9 Volt 6F22 lithium battery and chargers have passed ROHS, CE, CQC, PSE, etc. certification. Built-in protection device to prevent Overcharge, Overvoltage, Overcurrent, Over Discharge, Reverse Charge and Short-circuit protection, more secure to use. - Low-carbon and environmental: It does not contain any toxic and harmful heavy metal elements and substances, such as lead, mercury, and cadmium. Low self-discharge, is about 0.03% per month, which is less than 1/100 of Ni-MH batteries, the weight of our battery is 30% lower than Ni-MH batteries. - The package does not include a charger, so it is recommended to use the matching charger. ## Product Details - **Brand:** Kratax - **Color:** 9v batteries only - **Product Dimensions:** 0.63"D x 0.98"W x 0.63"H - **Item Weight:** 5 Ounces - **Output Voltage:** 8.4 Volts (DC) ## Images ![Kratax 9v Rechargeable Batteries 4 Pack 850mAh high Capacity 9 Volt 6F22 Lithium Batteries Rechargeable, 1000 Cycles for Smoke Alarms Guitar Multimeter Microphones-Charger NOT Included - Image 1](https://m.media-amazon.com/images/I/61TBmjB4DKL.jpg) ## Available Options This product comes in different **Size** options. ## Frequently Bought Together - Kratax 9v Rechargeable Batteries 4 Pack 850mAh High Capacity 9volt 6F22 Lithium-ion Batteries, 8.7V, 1000 Cycles Long-lasting, for Smoke Alarms Guitar Multimeter Toy Microphones-Charger not included - 9v Rechargeable Batteries Kratax 4Pack 850mAh High Capacity 9volt 6F22 Lithium-ion Batteries with Fast Charger, 1000 cycles Long-lasting, for Smoke Alarms Guitar Microphones Multimeter Cameras Remotes - Kratax 9v Rechargeable Batteries 2 Pack 850mAh High Capacity 9volt 6F22 Lithium-ion Batteries, 8.7V, 1000 Cycles Long-Lasting, for Smoke Alarms, Guitar, Multimeter, Microphones-Charger not Included --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.vn/products/181909643-kratax-9v-rechargeable-batteries-4-pack-850mah-high-capacity-9](https://www.desertcart.vn/products/181909643-kratax-9v-rechargeable-batteries-4-pack-850mah-high-capacity-9) --- *Product available on Desertcart Vietnam* *Store origin: VN* *Last updated: 2026-05-18*