---
product_id: 612895070
title: "21700 Rechargeable Battery 5000mAh 3.7V Li-ion Batteries 21700 Battery Flat Top 2 Pack for Flashlights Headlamps"
brand: "dqgg"
price: "VT8727"
currency: VUV
in_stock: true
reviews_count: 8
category: "Dqgg"
url: https://www.desertcart.vu/products/612895070-21700-rechargeable-battery-5000mah-3-7v-li-ion-batteries-21700
store_origin: VU
region: Vanuatu
---

# 3.7V stable power output 1000+ recharge cycles 5000mAh high capacity 21700 Rechargeable Battery 5000mAh 3.7V Li-ion Batteries 21700 Battery Flat Top 2 Pack for Flashlights Headlamps

**Brand:** dqgg
**Price:** VT8727
**Availability:** ✅ In Stock

## Summary

> 🔋 Power up your day with the battery that never quits!

## Quick Answers

- **What is this?** 21700 Rechargeable Battery 5000mAh 3.7V Li-ion Batteries 21700 Battery Flat Top 2 Pack for Flashlights Headlamps by dqgg
- **How much does it cost?** VT8727 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/612895070-21700-rechargeable-battery-5000mah-3-7v-li-ion-batteries-21700)

## Best For

- dqgg enthusiasts

## Why This Product

- Trusted dqgg brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Cool Under Pressure:** Advanced thermal management keeps your battery safe and cool during heavy use.
- • **Versatile Powerhouse:** Perfect for flashlights, headlamps, vape mods, and more—power your lifestyle effortlessly.
- • **Flat-Top Precision Fit:** Designed for seamless compatibility with flat-top 21700 devices—no wiggle, no fuss.
- • **Reliable Rechargeability:** Supports over 1000 charge-discharge cycles with zero memory effect—charge smarter, not harder.
- • **Endurance That Outlasts Your Day:** 5000mAh capacity powers through long shifts and adventures without a hiccup.

## Overview

The DQGG 21700 Rechargeable Battery delivers a robust 5000mAh capacity at 3.7V, engineered for high-drain devices like flashlights and vape mods. With over 1000 recharge cycles and advanced thermal stability, it ensures long-lasting, reliable performance. Its flat-top design guarantees a secure fit in compatible devices, making it the ultimate power upgrade for professionals and enthusiasts alike.

## Description

desertcart.com: DQGG 21700 Rechargeable Battery 5000mAh 3.7V Li-ion Batteries 21700 Battery Flat Top 2 Pack for Flashlights Headlamps : Health & Household

Review: Built Like a Beast: The Battery That Never Quits - If you’re serious about vaping — whether for relief, relaxation, or routine — the battery you choose is just as important as the device you use. And if you’re using high-powered mods or sub-ohm coils, then let me save you some trial-and-error: The DQGG 3.7V 21700 Flat Top Battery is the best upgrade you didn’t know you needed. This is a no-compromise battery designed to meet the demands of heavy daily use — and it handles it like a champion. I’ve tested countless batteries over the years, and very few match the consistency, longevity, and reliability this one delivers. ✅ PROS • Massive Power Capacity: With 4000mAh–5000mAh (depending on the model), this battery delivers all-day power for even the most power-hungry vape mods. • Fast, Clean Recharge Cycles: This cell doesn’t just hold a charge — it recharges quickly and efficiently without overheating or degrading. • High Drain, High Stability: Easily handles 20A to 30A discharge, which means you’ll get consistent hits and minimal drop-off, even during long chain-vaping sessions. • Thermal Management: This battery stays cool under pressure. Literally. Even after heavy usage, it doesn’t overheat — a sign of excellent internal chemistry. • Perfect Fit for Flat-Top Mods: If your mod calls for a flat-top 21700 battery, this one fits snug and secure — no wiggle, no mess. • Durable Construction: The casing is solid and impact-resistant — built for real-world use, not delicate display. • Reliable Safety Features: Overcharge protection, short circuit prevention, and stable chemistry give peace of mind — especially for beginners. ⚠️ CONS • Not Pre-Charged: Be sure to fully charge before first use — it ships at storage voltage. • Flat Top Only: Will not fit devices that require button-top batteries — check your device’s compatibility. • Larger Size: As with all 21700s, it’s bigger than the standard 18650 — not all vape mods will accommodate it. 👤 WHO IS THIS FOR? • Vapers Using Sub-Ohm or High-Power Mods • Veterans, Workers, and First Responders who need long-lasting, all-day vape support • Heavy Users and Cloud Chasers running builds that demand high amps • Battery Enthusiasts or Tech-Savvy Buyers who understand the value of internal resistance, cycle life, and stable chemistry • Anyone Switching from 18650s and needing longer life and stronger output 🏁 VERDICT If you vape daily — or rely on your mod to get you through tough shifts, long drives, or stressful days — this battery is worth every penny. The DQGG 21700 Flat Top Battery doesn’t just work — it performs like it’s got something to prove. Every session, every pull, every time. Highly recommended for serious vapers and those who value power, reliability, and peace of mind. It’s a true workhorse — just like you.
Review: Works well - Works as advertised. Great for my device since one battery lasts all day

## Features

- 【21700 Rechargeable Battery Dimensions】: 21*21*70mm,flat-top rechargeable battery. Please verify compatibility with your device before purchase
- 【Multi-Application】Long lasting 21700 batteries for headlamps, flashlights, doorbells,digital cameras,toys,Mini fans,etc. Helps you power up your devices at any time
- 【High Performance】3.7V 21700 rechargeable battery supports 1000 charge-discharge cycles with no memory effect
- 【High Capacity】21700 rechargeable batteries 5000mAh can last at least 20% longer than other batteries, making it the ideal replacement for high-frequency use devices
- 【Warm tips】Pls fully charge the battery before first use, when the battery is too low, please charge it in time, which will help to extend the number of times the battery is used

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CSK7THDW |
| Batteries | 2 Unknown batteries required. |
| Best Sellers Rank | #63,214 in Health & Household ( See Top 100 in Health & Household ) #38 in 3.7V Batteries |
| Customer Reviews | 4.3 4.3 out of 5 stars (127) |
| Date First Available | January 17, 2024 |
| Item Weight | 4.6 ounces |
| Manufacturer | DQGG |
| Package Dimensions | 2.91 x 1.81 x 0.94 inches |

## Product Details

- **Battery Capacity:** 5000 Milliamp Hours
- **Battery Cell Composition:** Lithium Ion
- **Brand:** DQGG
- **Number of Batteries:** 2 Unknown batteries required.
- **Recommended Uses For Product:** Indoor/Outdoor

## Images

![21700 Rechargeable Battery 5000mAh 3.7V Li-ion Batteries 21700 Battery Flat Top 2 Pack for Flashlights Headlamps - Image 1](https://m.media-amazon.com/images/I/61kU8GIblML.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Built Like a Beast: The Battery That Never Quits
*by E***D on December 19, 2025*

If you’re serious about vaping — whether for relief, relaxation, or routine — the battery you choose is just as important as the device you use. And if you’re using high-powered mods or sub-ohm coils, then let me save you some trial-and-error: The DQGG 3.7V 21700 Flat Top Battery is the best upgrade you didn’t know you needed. This is a no-compromise battery designed to meet the demands of heavy daily use — and it handles it like a champion. I’ve tested countless batteries over the years, and very few match the consistency, longevity, and reliability this one delivers. ✅ PROS • Massive Power Capacity: With 4000mAh–5000mAh (depending on the model), this battery delivers all-day power for even the most power-hungry vape mods. • Fast, Clean Recharge Cycles: This cell doesn’t just hold a charge — it recharges quickly and efficiently without overheating or degrading. • High Drain, High Stability: Easily handles 20A to 30A discharge, which means you’ll get consistent hits and minimal drop-off, even during long chain-vaping sessions. • Thermal Management: This battery stays cool under pressure. Literally. Even after heavy usage, it doesn’t overheat — a sign of excellent internal chemistry. • Perfect Fit for Flat-Top Mods: If your mod calls for a flat-top 21700 battery, this one fits snug and secure — no wiggle, no mess. • Durable Construction: The casing is solid and impact-resistant — built for real-world use, not delicate display. • Reliable Safety Features: Overcharge protection, short circuit prevention, and stable chemistry give peace of mind — especially for beginners. ⚠️ CONS • Not Pre-Charged: Be sure to fully charge before first use — it ships at storage voltage. • Flat Top Only: Will not fit devices that require button-top batteries — check your device’s compatibility. • Larger Size: As with all 21700s, it’s bigger than the standard 18650 — not all vape mods will accommodate it. 👤 WHO IS THIS FOR? • Vapers Using Sub-Ohm or High-Power Mods • Veterans, Workers, and First Responders who need long-lasting, all-day vape support • Heavy Users and Cloud Chasers running builds that demand high amps • Battery Enthusiasts or Tech-Savvy Buyers who understand the value of internal resistance, cycle life, and stable chemistry • Anyone Switching from 18650s and needing longer life and stronger output 🏁 VERDICT If you vape daily — or rely on your mod to get you through tough shifts, long drives, or stressful days — this battery is worth every penny. The DQGG 21700 Flat Top Battery doesn’t just work — it performs like it’s got something to prove. Every session, every pull, every time. Highly recommended for serious vapers and those who value power, reliability, and peace of mind. It’s a true workhorse — just like you.

### ⭐⭐⭐⭐⭐ Works well
*by K***R on February 1, 2026*

Works as advertised. Great for my device since one battery lasts all day

### ⭐⭐⭐⭐ Ever so slightly larger than other 21700's
*by J***. on November 18, 2024*

If the device you are using 21700 batteries in has a very tight size tolderance then these might not fit. They are just a bit taller and fatter than other 21700 batteries I have used. These will not fit in 4 out 5 of my devices. So far they appear to be good in use but I have not seen any indication that they are longer lasting. The 5000mAh does not refer to the amount of charge. It refers more to how many times they can discharge and be recharged, just for you to know.

## Frequently Bought Together

- DQGG 3.7 Volt 21700 Rechargeable Battery 5000mAh Battery 2 Pack Large Capacity Batteries for LED Flashlight, Headlamps, etc
- 21750 21700 Battery Charger,LCD Intelligent 18650 Battery Charger for 20700 22700 26650 26700 16340 (RCR123) 17670 Rechargeable Battery with PCB Protection Board

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*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-03-03*