--- product_id: 520262562 title: "Shockli 18500 Protected Rechargeable Battery 3.7V 1600mAh for Flashlight [ Replace The 3 AAA and 3 AA Battery Holder ]- 2 Pack" brand: "funkawa" price: "2685295₫" currency: VND in_stock: true url: https://www.desertcart.vn/products/520262562-shockli-18500-protected-rechargeable-battery-3-7v-1600mah-for-flashlight store_origin: VN region: Vietnam --- # 3.7V stable voltage 1600mAh high capacity Universal USB charger Shockli 18500 Protected Rechargeable Battery 3.7V 1600mAh for Flashlight [ Replace The 3 AAA and 3 AA Battery Holder ]- 2 Pack **Brand:** funkawa **Price:** 2685295₫ **Availability:** ✅ In Stock ## Summary > 🔋 Power your adventure with Shockli’s smart, safe, and sleek 18500 batteries! ## Quick Answers - **What is this?** Shockli 18500 Protected Rechargeable Battery 3.7V 1600mAh for Flashlight [ Replace The 3 AAA and 3 AA Battery Holder ]- 2 Pack by funkawa - **How much does it cost?** 2685295₫ 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/520262562-shockli-18500-protected-rechargeable-battery-3-7v-1600mah-for-flashlight) ## Best For - funkawa enthusiasts ## Why This Product - Trusted funkawa brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Compact 18500 Size:** Perfectly replaces 3 AAA or 3 AA batteries in your favorite devices—upgrade without changing your setup. - • **Precision 3.7V Voltage:** Delivers consistent, reliable power for high-performance LED flashlights and solar lights. - • **Universal USB Charging:** Charge 1 or 2 batteries effortlessly with smart LED indicators and MCU-controlled safety. - • **Certified Safety & Quality:** CE, UL, and ROHS certified for peace of mind in every charge and discharge cycle. - • **Power-packed 1600mAh Capacity:** Keep your gear running longer without the constant recharge hassle. ## Overview The Shockli 18500 Protected Rechargeable Battery offers a robust 1600mAh capacity at a stable 3.7V, designed to replace 3 AAA or 3 AA batteries in LED flashlights and solar lights. Featuring universal USB charging with smart LED indicators and MCU-controlled safety, these CE, UL, and ROHS certified batteries ensure reliable, long-lasting power in a compact form factor. ## Description Charger SPECIFICATIONS Freely charging 1 or 2 Pcs 3.7V Li-ion IMR 21700, 26650 18650 18500 14500 16340 10400 Rechargeable BatteriesSmart LED display, The 2 slot charger will charge the lithium batteries when plug in,and the indicator light display in red, then turn into green after fully charged.The charger uses the MCU control technology, providing the constant current and constant voltage safety modelInput: DC 5V/2A-3A Charging Output: 4.2V / 600mA 18500 3.7V battery specifications Capacity: 1600mAh Voltage: 3.7V Discharge Cut-off voltage: 2.75V Standard Charge: 0.3 A~ 1.0A (Recommend 0.5A) /4.2V Maximum charge current: 1.0A Positive: Button Top Dimensions (Dia. x H.)】: 18 x50 mm / 0.70 x1.97 inch Charging Time: Standard charge(0.5A) - 3.5 hours Customer Instructions 1) Please Check the Size Before You Place an Order，18500 battery are not AA, AAA or 18650 size batteries 2)Please charge fully to 4.2V before first use, Come with 50% charge on for transportation Safety Rules common Question & Answer1. Are these good for LED flashlight and solar light?◆Answer: YES, Ideal for flashlight and solar light.2. Do these come fully charged?◆Answer: NO, Come with 50% charge on them (for shipping purposes).3. Is it CE, UL, ROHS certified?◆Answer: CE , UL, and ROHS certified, d by manufacturer. Why choose usBattery specialist----Shenzhen ShockLi Technology Co.,Ltd is growing batteries manufacturing, We are the most professional batteries with excellent quality control which earn us customers all over the world. ## Features - 【Universal USB Charger】 Freely charging 1 or 2 Pcs 3.7V Li-ion IMR 21700, 26650 18650 18500 14500 16340 10400 Rechargeable Batteries - 【Battery Type 】 18500 Protected 3.7V Li-ion rechargeable Battery - 【18500 Specification 】: The Capacity is 1600mAh, Dimensions (Dia. x H.) -18.5 x55 mm / 0.73 x 2.16 inch, (NOT IMR 18500) - 【18500 Protected Application】: Good for 21 LED UV flashlight that use 3 AAA and 51 LED that use 3 AA battery adapter(18500 can Replace the 3 AAA and 3 AA ) - 【Important Note】: Please Check the Size Before You Place an Order，18500 battery are not AA, AAA or 18650 size batteries, the 18500 protected is 4mm longer than the 18500 Un- protection battery ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09FZBL45D | | Batteries | 2 Lithium Ion batteries required. (included) | | Best Sellers Rank | #115,714 in Health & Household ( See Top 100 in Health & Household ) #121 in 3.7V Batteries | | Customer Reviews | 4.1 4.1 out of 5 stars (103) | | Date First Available | September 11, 2021 | | Item Weight | 3.52 ounces | | Manufacturer | shockli | | Package Dimensions | 6.02 x 4.02 x 1.54 inches | ## Product Details - **Number of batteries:** 2 Lithium Ion batteries required. (included) - **Brand:** funkawa - **Battery cell composition:** Lithium Ion - **Battery capacity:** 1600 Milliamp Hours - **Recommended uses for product:** Flashlight ## Images ![Shockli 18500 Protected Rechargeable Battery 3.7V 1600mAh for Flashlight [ Replace The 3 AAA and 3 AA Battery Holder ]- 2 Pack - Image 1](https://m.media-amazon.com/images/I/71JO8d191tL.jpg) ## Frequently Bought Together - funkawa 18350 1100mAh Flat Top Battery (2-Pack) with USB Battery Charger, ShockLi 18350 10A Discharge High Drain 3.7v Rechargeable Batteries - Keeppower 2 Pcs Flat Top 18350 10A Discharge IMR 1200mAh 3.7V UH1835P Quality High Drain Li-ion Rechargeable Lithium Battery - Vapcell 3.7v 1100mah Flat Top 18350 10A Discharge high Drain Li-on IMR Rechargeable Lithium Battery 2pcs --- ## 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/520262562-shockli-18500-protected-rechargeable-battery-3-7v-1600mah-for-flashlight](https://www.desertcart.vn/products/520262562-shockli-18500-protected-rechargeable-battery-3-7v-1600mah-for-flashlight) --- *Product available on Desertcart Vietnam* *Store origin: VN* *Last updated: 2026-05-18*