--- product_id: 567078342 title: "NERMAK 3.7V 3200mAh USB Rechargeable Lithium lon Battery for Flashlights, Headlamps, Bike Lights, Bluetooth Speaker Etc(2 Pack)" brand: "nermak" price: "€ 35.40" currency: EUR in_stock: true reviews_count: 8 category: "Nermak" url: https://www.desertcart.hr/products/567078342-nermak-3-7v-3200mah-usb-rechargeable-lithium-lon-battery-flashlights store_origin: HR region: Croatia --- # Built-in USB-C charging 1500+ recharge cycles 3200mAh high capacity NERMAK 3.7V 3200mAh USB Rechargeable Lithium lon Battery for Flashlights, Headlamps, Bike Lights, Bluetooth Speaker Etc(2 Pack) **Brand:** nermak **Price:** € 35.40 **Availability:** ✅ In Stock ## Summary > 🔋 Stay powered, stay unstoppable — the battery that works as hard as you do. ## Quick Answers - **What is this?** NERMAK 3.7V 3200mAh USB Rechargeable Lithium lon Battery for Flashlights, Headlamps, Bike Lights, Bluetooth Speaker Etc(2 Pack) by nermak - **How much does it cost?** € 35.40 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/567078342-nermak-3-7v-3200mah-usb-rechargeable-lithium-lon-battery-flashlights) ## Best For - nermak enthusiasts ## Why This Product - Trusted nermak brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Safe & Reliable:** Advanced protection against overcharge, discharge, and short circuits for worry-free use. - • **Power That Lasts:** 3200mAh capacity fuels your devices longer, so you never miss a moment. - • **Emergency Power Bank:** Supports C-C output to juice up your phone in a pinch—because backup is everything. - • **Versatile Compatibility:** Ideal for flashlights, headlamps, bike lights, and Bluetooth speakers—your all-in-one power solution. - • **Universal USB-C Convenience:** Charge directly with USB-C—no bulky chargers needed, perfect for on-the-go pros. ## Overview The NERMAK 3.7V 3200mAh USB Rechargeable Lithium Ion Battery (2-pack) offers high-capacity, versatile power with built-in USB-C charging and output. Designed for flashlights, headlamps, bike lights, and Bluetooth speakers, it delivers over 1500 recharge cycles with advanced safety features, making it a reliable, eco-friendly replacement battery for busy professionals. ## Description Buy NERMAK 3.7V 3200mAh USB Rechargeable Lithium lon Battery for Flashlights, Headlamps, Bike Lights, Bluetooth Speaker Etc(2 Pack): 9V - desertcart.com ✓ FREE DELIVERY possible on eligible purchases Review: includes a charger! - Very cool product. My bike light that used this format was unreliable on charging. This battery with its usb C port built in mad that a non issue. Very cool and very long burn. Love it so far. Review: USB-C does work, both in and out - I admit I was skeptical, but they do work as described. USB-C is both in and out. I tested it on an old phone and it does charge. Slowly, but it will charge it. Also charged them with a standard 110v charger for Lithium Ion batteries and they charged that way just fine. ## Features - 【Size Parameters】3.7V 3200mAh lithium batteries, size: 18mm(0.7 inch) diameter x 70mm(2.7 inch), (Note: they are longer than the flat-top batteries, please check the battery size before purchasing) - 【Superior Performance】：Built-in USB-C port, support C-C output, you can charge your cell phone and other devices in case of emergency, easy to charge with the included 2-in-1 USB cable, no need for an additional battery charger (does not support PD fast charging) - 【Widely Uses】：NERMK 3.7V rechargeable batteries are suitable for flashlights（High-power flashlights are not suitable）, headlamps, remote controls, microphones, radios, bike lights, bluetooth speakers, and other household devices. - 【Safe and Efficient】: NERMAK 3.7V battery has built-in safety protection against overcharging, over-discharging, over-current and short-circuit, with 1500+ charging cycles for longer service life, making it an ideal replacement battery for high-frequency equipment. - 【Warm Note】: 2* 3.7 Volt Replacement lithium ion battery，12 months warranty, If you have any question for our product, Contact us: click the "Ask a question" on our storefront or in "YOUR ORDER" options click the "contact seller" ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0C8G8Y3JF | | Amperage | 3200 Milliamps | | Antenna Location | Flashlights | | Battery Capacity | 3200 Milliamp Hours | | Battery Cell Type | Lithium Ion | | Battery Weight | 2.2 Ounces | | Best Sellers Rank | #14,476 in Health & Household ( See Top 100 in Health & Household ) #1 in 3.7V Batteries | | Brand | NERMAK | | Customer Reviews | 4.1 4.1 out of 5 stars (263) | | Item Dimensions | 2.85 x 0.75 x 0.75 inches | | Manufacturer | NERAMAK | | Model Name | series,x | | Model Number | 18700 | | Number of Batteries | 1 Lithium Ion batteries required. (included) | | Reusability | Rechargeable | | Unit Count | 2.0 Count | | Voltage | 3.7 Volts | | Warranty Description | 1 year | ## Product Details - **Battery Capacity:** 3200 Milliamp Hours - **Battery Cell Composition:** Lithium Ion - **Brand:** NERMAK - **Number of Batteries:** 1 Lithium Ion batteries required. (included) - **Recommended Uses For Product:** Flashlights ## Images ![NERMAK 3.7V 3200mAh USB Rechargeable Lithium lon Battery for Flashlights, Headlamps, Bike Lights, Bluetooth Speaker Etc(2 Pack) - Image 1](https://m.media-amazon.com/images/I/61ACd5nsUNL.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ includes a charger! *by S***V on December 16, 2025* Very cool product. My bike light that used this format was unreliable on charging. This battery with its usb C port built in mad that a non issue. Very cool and very long burn. Love it so far. ### ⭐⭐⭐⭐⭐ USB-C does work, both in and out *by S***A on March 31, 2026* I admit I was skeptical, but they do work as described. USB-C is both in and out. I tested it on an old phone and it does charge. Slowly, but it will charge it. Also charged them with a standard 110v charger for Lithium Ion batteries and they charged that way just fine. ### ⭐⭐⭐⭐⭐ Battery *by K***. on September 15, 2025* I received the batteries the other day. After charging them one battery didnt work. The company reached out to me and i explained that after charging one battery didnt work. They sent out 2 new ones for me. I really appreciate the customer service! The battery did work very well for what i needed it for. Thank you again! ## Frequently Bought Together - NERMAK 3.7V 3200mAh USB Rechargeable Lithium lon Battery for Flashlights, Headlamps, Bike Lights, Bluetooth Speaker Etc(2 Pack) - NEBO Transcend 1500 USB Rechargeable Headlamp for Camping, Hiking, Caving, Fishing, Waterproof Impact-resistant Bright Head Light with 5 Light Modes, Adjustable Headstrap, Gunmetal Gray - HW 3.7V USB Rechargeable Lithium Batteries, Reliable True 3500 mAh (13000mWh) 18m Long-Lasting High Performance Battery, for Flashlights, Headlamps, RC Cars (2 Pack) --- ## 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.hr/products/567078342-nermak-3-7v-3200mah-usb-rechargeable-lithium-lon-battery-flashlights](https://www.desertcart.hr/products/567078342-nermak-3-7v-3200mah-usb-rechargeable-lithium-lon-battery-flashlights) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-05-15*