--- product_id: 710900079 title: "EcoSolutions 21700 Rechargeable Battery Case Set, 5000mah Large Capacity 3.7Volt 21700 Flat Top Battery for flashlights ect, 2 pack" brand: "ecosolutions" price: "£0.64" currency: GBP in_stock: false url: https://www.desertcart.co.uk/products/710900079-ecosolutions-21700-rechargeable-battery-case-set-5000mah-large-capacity-3 store_origin: GB region: United Kingdom --- # 3.7V stable power output 5000mAh high capacity Multi-layer safety protection EcoSolutions 21700 Rechargeable Battery Case Set, 5000mah Large Capacity 3.7Volt 21700 Flat Top Battery for flashlights ect, 2 pack **Brand:** ecosolutions **Price:** £0.64 **Availability:** ❌ Out of Stock ## Summary > 🔋 Power up your gear, power up your life! ## Quick Answers - **What is this?** EcoSolutions 21700 Rechargeable Battery Case Set, 5000mah Large Capacity 3.7Volt 21700 Flat Top Battery for flashlights ect, 2 pack by ecosolutions - **How much does it cost?** £0.64 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/710900079-ecosolutions-21700-rechargeable-battery-case-set-5000mah-large-capacity-3) ## Best For - ecosolutions enthusiasts ## Why This Product - Trusted ecosolutions brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Safe & smart:** Built-in protections guard against short circuits, overcharge, and overcurrent for peace of mind. - • **Eco-friendly energy:** Rechargeable and pollution-free, join the movement toward sustainable power solutions. - • **Sleek flat top design:** Compact 21700 size fits seamlessly into your devices—check compatibility and upgrade effortlessly. - • **Universal compatibility:** Perfectly powers LED flashlights, emergency lights, toys, and more—your go-to energy source. - • **Power that lasts all day:** Massive 5000mAh capacity means fewer battery swaps and uninterrupted performance. ## Overview The EcoSolutions 21700 Rechargeable Battery Case Set offers a robust 5000mAh capacity at 3.7 volts, delivering long-lasting, stable power for a wide range of devices. Its flat top design fits many electronics, while advanced safety features protect your gear from electrical risks. Rechargeable and eco-conscious, this 2-pack ensures you stay powered with fewer interruptions and a smaller environmental footprint. ## Description These features ensure the battery remains stable and your device stays protected at all times.Please fully charge the battery before the first use, the battery will work better. Charge up to 1000 times without frequent battery changes. The anti-corrosion shell can effectively protect the battery and extend its service life. Preventing waste of non-rechargeable battery. No memory effect, the large battery capacity, allows you to worry no more about your device without power. ## Features - Large capacity: 21700 battery With a capacity of 5000mAh and voltage of 3.6v battery, high capacity battery with low discharge rate, high power consumption, high energy density and pollution-free design, No need to change batteries frequently. - Widely Compatible: 5000mAh 21700 Rechargeable battery large capacity,Which can be widely used for electronic devices, such as LED flashlights, emergency lights, portable devices, headlights, toys, remote controls, etc. - Product Size: 21*21*70 mm (0.82*0.82*2.75 inches),it's a 3.7 volt Flat Top rechargeable battery, please check carefully before purchasing !).Please confirm whether the battery model required by your device. - Multiple Protections: This flat top rechargeable battery is without memory effect and provide safe protections to protect your devices,including short circuit, overcharge, and overcurrent protection. NOTE: Please fully charge the products before use - Enjoy our warm after-sales service: All of our products have passed strict testing for normal use. If you encounter any issues, don't hesitate to reach out to us. We're committed to resolving them for you promptly. ## Technical Specifications | Specification | Value | |---------------|-------| | Battery Weight | 0.15 Pounds | | Unit Count | 2.0 Count | | Battery Cell Type | NiMH | | Recommended Uses For Product | Camera Flash | | Reusability | Rechargeable | | Battery Capacity | 5000 Milliamp Hours | | Voltage | 3.7 Volts | | Compatible Phone Models | Flashlights | ## Product Details - **Number of batteries:** 2 Unknown batteries required. - **Brand:** EcoSolutions - **Battery cell composition:** NiMH - **Battery capacity:** 5000 Milliamp Hours - **Recommended uses for product:** Camera Flash ## Images ![EcoSolutions 21700 Rechargeable Battery Case Set, 5000mah Large Capacity 3.7Volt 21700 Flat Top Battery for flashlights ect, 2 pack - Image 1](https://m.media-amazon.com/images/I/611c1q+4caL.jpg) ![EcoSolutions 21700 Rechargeable Battery Case Set, 5000mah Large Capacity 3.7Volt 21700 Flat Top Battery for flashlights ect, 2 pack - Image 2](https://m.media-amazon.com/images/I/71EnmEvYvoL.jpg) ![EcoSolutions 21700 Rechargeable Battery Case Set, 5000mah Large Capacity 3.7Volt 21700 Flat Top Battery for flashlights ect, 2 pack - Image 3](https://m.media-amazon.com/images/I/617gDz6RUQL.jpg) ![EcoSolutions 21700 Rechargeable Battery Case Set, 5000mah Large Capacity 3.7Volt 21700 Flat Top Battery for flashlights ect, 2 pack - Image 4](https://m.media-amazon.com/images/I/71wNxLfR-JL.jpg) ![EcoSolutions 21700 Rechargeable Battery Case Set, 5000mah Large Capacity 3.7Volt 21700 Flat Top Battery for flashlights ect, 2 pack - Image 5](https://m.media-amazon.com/images/I/611TqB5tqHL.jpg) ## Frequently Bought Together - EcoSolutions 21700 Rechargeable Battery Case Set, 5000mah Large Capacity 3.6Volt 21700 Tip Battery for flashlights ect, 2pack - 21750 21700 Battery Charger,LCD Intelligent 18650 Battery Charger for 20700 22700 26650 26700 16340 (RCR123) 17670 Rechargeable Battery with PCB Protection Board --- ## 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.co.uk/products/710900079-ecosolutions-21700-rechargeable-battery-case-set-5000mah-large-capacity-3](https://www.desertcart.co.uk/products/710900079-ecosolutions-21700-rechargeable-battery-case-set-5000mah-large-capacity-3) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-06-11*