--- product_id: 748438463 title: "B-S1 Battery for Vivo Y31s 5G/ Y21/ Y21S Battery with 1 Year Warranty**** (K311)" brand: "fliptronics originals" price: "107.70 DT" currency: TND in_stock: true category: "Fliptronics Originals" url: https://www.desertcart.tn/products/748438463-b-s1-battery-for-vivo-y31s-5g-y21-y21s-battery store_origin: TN region: Tunisia --- # Up to 36h Standby Time 40mAh Lithium-Ion Power 1 Year Genuine Warranty B-S1 Battery for Vivo Y31s 5G/ Y21/ Y21S Battery with 1 Year Warranty**** (K311) **Brand:** fliptronics originals **Price:** 107.70 DT **Availability:** ✅ In Stock ## Summary > 🔋 Power your day, stay ahead of the pack! ## Quick Answers - **What is this?** B-S1 Battery for Vivo Y31s 5G/ Y21/ Y21S Battery with 1 Year Warranty**** (K311) by fliptronics originals - **How much does it cost?** 107.70 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/748438463-b-s1-battery-for-vivo-y31s-5g-y21-y21s-battery) ## Best For - fliptronics originals enthusiasts ## Why This Product - Trusted fliptronics originals brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Safety First:** Certified with strict handling precautions to prevent fire, explosion, or damage—your peace of mind guaranteed. - • **Seamless Syncing:** Optimized battery calibration after initial charge cycles ensures peak performance and longevity. - • **All-Day Connectivity:** Enjoy up to 24 hours of normal usage and 12 hours of talk time without interruptions. - • **Reliable Power Boost:** Original Fliptronics Li-Ion battery engineered for Vivo Y31s 5G, Y21, and Y21S models. - • **Warranty-Backed Assurance:** Comes with a full 1-year company warranty, invoice, and warranty card for authentic support. ## Overview The B-S1 Battery by Fliptronics Originals is a genuine lithium-ion replacement battery designed specifically for Vivo Y31s 5G, Y21, and Y21S smartphones. With a 40mAh capacity, it delivers up to 24 hours of normal use, 12 hours of talk time, and approximately 36 hours of standby. Backed by a 1-year warranty and strict safety standards, this rechargeable battery ensures reliable performance and peace of mind for professionals who demand uninterrupted connectivity. ## Description FLIPTRONICS ORIGINALS New Li-Ion battery Stay connected with your family and friends by getting extra battery power today. Best replacement for the original battery with comparable standby and talk time. The battery operation time depends on conditions such as: 1. Complete mAh inside the Battery for Excellent Back for Mobile Phone after the heavy usage.. 2. Completely Tested Phone All purposes for long life. 3. It is a replacement battery with complete mAh compatible to its respective brand" TROUBLE SHOOTING TIPS We ask you to use an original company charger to charge your mobile and our battery any other than original charger can affect your battery and mobile drastically. Check if there is any dust in the connector or if any pin is broken or not. Also check for any corrosion in contact and plug. Clean the plug using IPA or swabs. Make sure you use ESA safe only check the interface connector to see if there is any dust or not. If there is any dust then clean or replace the interface connector as required. If the problem is not solved then update the software/operating system (os) to the latest version THE BATTERY INSTRUCTIONS: Please drain all the power of the battery for the first 5 times before charging, and then take a full charge. Thus the battery can be reached the optimum effect of using. Please note that its full effect and longevity is only achieved after 3 to 5 complete charge and discharge circles because Li-on Battery become stable after few uses. ## Features - NOTE-THIS IS A GENUINE WARRANTY AND COMPANY WILL SEND BATTERY WITH INVOICE AND WARRANTY CARD . - At the first beginning, the battery will drain quickly,this issue is caused due to the li-ion/polymer of a new battery is unstable! It will become normal after long-term use. - CAUTION: Do not open, crush, or puncture. short external contacts or dispose of in fire or water. Risk of fire, explosion, and burn. Do not open, crush, or heat. - Note: After you installed the new battery Reset/format the phone to sync the battery with the phone. - Long power backup around 24 hours with Normal Usage, Provides good talk around 12 hours and standby time around 36 hours approx depend upon Background app, Overall Good performance. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CNPBV3XX | | Antenna Location | Phone | | Battery Capacity | 40 Milliamp Hours | | Battery Cell Composition | Lithium Ion | | Battery Cell Type | Lithium Ion | | Battery Weight | 50 Grams | | Best Sellers Rank | #352,349 in Electronics ( See Top 100 in Electronics ) #1,325 in Mobile Replacement Batteries | | Box Contents | Original product with warranty | | Brand | FLIPTRONICS ORIGINALS | | Brand Name | FLIPTRONICS ORIGINALS | | Compatible Phone Models | Original B-S1 Battery for Vivo Y31s 5G/ Y21/ Y21S Battery | | Country of Origin | China | | Customer Reviews | 1.4 out of 5 stars 3 Reviews | | Importer Contact Information | THE BATTERY STORE, The battery store SHOP NO 40,G/F 13/24 , KAROL BAGH ,WEST EXTN NEW DELHI -117085 | | Item Dimensions | 50 x 50 x 50 Millimeters | | Item Type Name | Original Replacement Parts | | Item Weight Unit of Measure | 80 Grams | | Manufacturer | FLIPTRONICS ORIGINALS, THE BATTERY STORE, The battery store SHOP NO 40,G/F 13/24 , KAROL BAGH ,WEST EXTN NEW DELHI -110007 | | Manufacturer Contact Information | THE BATTERY STORE, The battery store SHOP NO 40,G/F 13/24 , KAROL BAGH ,WEST EXTN NEW DELHI -110007 | | Model Name | ORG25 | | Model Number | ORG13 | | Net Quantity | 1.00 Count | | Number of Batteries | 1 Lithium Ion batteries required. | | Packer Contact Information | THE BATTERY STORE, The battery store SHOP NO 40,G/F 13/24 , KAROL BAGH ,WEST EXTN NEW DELHI -110007 | | Recommended Uses For Product | Phone | | Reusability | Rechargeable | | Unit Count | 1.00 Count | | Warranty Description | 1 year warranty | ## Product Details - **Number of Batteries:** 1 Lithium Ion batteries required. (included) - **Brand:** FLIPTRONICS ORIGINALS - **Battery Cell Composition:** Lithium Ion - **Battery Capacity:** 40 Milliamp Hours - **Recommended Uses For Product:** Phone - **Net Quantity:** 1.00 Count - **Reusability:** Rechargeable - **Model Name:** ORG25 - **Battery Weight:** 50 Grams - **Item dimensions L x W x H:** 50 x 50 x 50 Millimeters ## Images ![B-S1 Battery for Vivo Y31s 5G/ Y21/ Y21S Battery with 1 Year Warranty**** (K311) - Image 1](https://m.media-amazon.com/images/I/419-ssQxJhL.jpg) ![B-S1 Battery for Vivo Y31s 5G/ Y21/ Y21S Battery with 1 Year Warranty**** (K311) - Image 2](https://m.media-amazon.com/images/I/31rPp+3d+XL.jpg) ![B-S1 Battery for Vivo Y31s 5G/ Y21/ Y21S Battery with 1 Year Warranty**** (K311) - Image 3](https://m.media-amazon.com/images/I/41yRyYjeO9L.jpg) ![B-S1 Battery for Vivo Y31s 5G/ Y21/ Y21S Battery with 1 Year Warranty**** (K311) - Image 4](https://m.media-amazon.com/images/I/41ubAb56FPL.jpg) ## Available Options This product comes in different **Size** options. --- ## 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.tn/products/748438463-b-s1-battery-for-vivo-y31s-5g-y21-y21s-battery](https://www.desertcart.tn/products/748438463-b-s1-battery-for-vivo-y31s-5g-y21-y21s-battery) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-09-28*