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Flat Top Upgrade Capacity Batteries for Flashlights Solar Lights Headlamp Remote Control","ABCTOY","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F41Yw2lElRpL.jpg",23.81,3.3,20,0.0135,"2026-02-10","https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB0GMQL1N6F",{"asin":724,"title":725,"brand":726,"imageUrl":727,"price":728,"rating":729,"reviews":730,"clickShare90":731,"clickShare360":732,"launchDate":733,"amazonUrl":734},"B083BLQ873","FITHOOD Battery Replacement for Welch-Allyn 21700 11720 71050 11730 71051 18200 74054 71022 71150 WA-72200 71055 74710 71054 78904586 (750mAh\u002F3.6V)","FITHOOD","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F41Wsd6MyEkL.jpg",27.97,3.9,4,0.019,0.0094,"2019-12-31","https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB083BLQ873",{"asin":736,"title":737,"brand":738,"imageUrl":739,"price":162,"rating":740,"reviews":741,"clickShare90":742,"clickShare360":743,"launchDate":744,"amazonUrl":745},"B08F21V5S6","Battery Pouch Case for 4 x 18650 20700 or 21700 Battery Belt Holster for 18650 Batteries with Carabiner Zipper Pocket Memory Card Storage","JJC","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F41OZB2tWtVL.jpg",4.8,344,0.0132,0.0243,"2021-01-16","https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB08F21V5S6",{"asin":747,"title":748,"brand":581,"imageUrl":749,"price":750,"rating":632,"reviews":183,"clickShare90":742,"clickShare360":751,"launchDate":635,"amazonUrl":752},"B09XRCFCFK","Protect Your Power - Slimline 21700 Battery Case Compact Durable TPU Organizer for Travel Flashlights & Everyday Carry 2-Pack (Holds 1 Battery)","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F317wQDir3GL.jpg",14.8,0.0137,"https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB09XRCFCFK",{"asin":754,"title":755,"brand":566,"imageUrl":756,"price":757,"rating":591,"reviews":758,"clickShare90":759,"clickShare360":760,"launchDate":499,"amazonUrl":761},"B0GVBQ79HV","18650 Battery Charger 2 Bay LCD Display Universal Charger for 3.7V\u002F3.6V Li-ion Batteries 26650 21700 18650 16340(RCR123) 14500 10400 1.2V Ni-MH\u002FNi-Cd AA AAA Batteries(Battery not Included)","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F41wZ9j8u-cL.jpg",9.72,42,0.0129,0.0064,"https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB0GVBQ79HV",{"asin":763,"title":764,"brand":765,"imageUrl":766,"price":767,"rating":601,"reviews":768,"clickShare90":769,"clickShare360":770,"launchDate":771,"amazonUrl":772},"B081XKQL4X","EdisonBright Fenix are-A2 Smart Battery Charger for 21700\u002F18650\u002F16340 BBX5 Battery Carry case","EdisonBright","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F51NCPHn9sJL.jpg",35.92,754,0.0124,0.0153,"2019-11-24","https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB081XKQL4X",{"asin":774,"title":775,"brand":776,"imageUrl":777,"price":778,"rating":632,"reviews":779,"clickShare90":780,"clickShare360":781,"launchDate":782,"amazonUrl":783},"B0DN1CN8XQ","18650 Battery Charger LCD Display Charger for 3.7V Li-ion Battery 18650 26650 21700 18500 18350 16650 1.2V LiFePO4 Ni-MH Ni-Cd A AA AAA Rechargeable Batteries(Battery not Included)","Swanlake","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F419KTosb6VL.jpg",12.99,207,0.012,0.0287,"2024-11-14","https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB0DN1CN8XQ",{"asin":785,"title":786,"brand":787,"imageUrl":788,"price":163,"rating":621,"reviews":177,"clickShare90":789,"clickShare360":790,"launchDate":791,"amazonUrl":792},"B0G1G3X2YV","Reletech 140W Portable Fast Charger 25000mAh with LG 21700 Battery 3-Port Laptop Fast Power Bank Smart Display for Travel Compatible with MacBook Pro iPhone 17\u002F16 ipad.G-ZeroFear","Reletech","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F31yNJhG7+BL.jpg",0.0118,0.0104,"2025-11-08","https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB0G1G3X2YV",{"asin":794,"title":795,"brand":575,"imageUrl":796,"price":797,"rating":798,"reviews":799,"clickShare90":156,"clickShare360":800,"launchDate":625,"amazonUrl":801},"B0BVQYWZ3Y","18650 to 21700 Battery Adapter Converter Adapter for 21700 Flashlight Cases with Metal Contacts 18650 Sleeve Batteries Protective 21700 Battery Adaptor Holder Accessories (5 Battery Converters)","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F41sV-xPccQL.jpg",19.84,3.8,24,0.0071,"https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB0BVQYWZ3Y",{"asin":803,"title":804,"brand":704,"imageUrl":805,"price":806,"rating":684,"reviews":807,"clickShare90":808,"clickShare360":809,"launchDate":710,"amazonUrl":810},"B07JN49XYM","Nitecore UMS2 Intelligent Dual-Slot Quick USB-C Battery Charger for Li-Ion\u002FNi-MH\u002FNi-Cd\u002FIMR 16340 14500 18650 21700 20700 AA AAA and More Batteries with Organizer","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F41qE-+82jVL.jpg",28.89,844,0.0102,0.0197,"https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB07JN49XYM",{"asin":812,"title":813,"brand":814,"imageUrl":815,"price":816,"rating":142,"reviews":817,"clickShare90":818,"clickShare360":819,"launchDate":820,"amazonUrl":821},"B0GFSMXJF7","10-Pack High-Current 21700 Battery Holder for PCB Mount 40A Continuous \u002F 140A+ Peak Ultra-Low 0.87m Red Copper Nickel-Plated Contacts Supports 3S 4S 5S DIY Power Packs for EV RC & Power Tools","Bistook","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F41519nyefnL.jpg",23.3,1,0.01,0.0106,"2022-12-31","https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB0GFSMXJF7",{"asin":823,"title":824,"brand":825,"imageUrl":826,"price":827,"rating":828,"reviews":169,"clickShare90":829,"clickShare360":830,"launchDate":831,"amazonUrl":832},"B0G1BKJG5V","2-Slot 3.7 USB Battery Charger with 2 Pack 3 7 5000mAh Flat Top Battery Ni-MH Rechargeable Batteries NIMH for LED Flashlight Camera Small Fan Garden Light etc Size: 21.01mm * 70.01mm","Generic","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F41KZL1pKMnL.jpg",19.64,3,0.0096,0.0084,"2025-11-07","https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB0G1BKJG5V",{"love":834,"hate":905,"returnReasons":968},[835,842,849,856,863,870,877,884,891,898],{"topic":836,"percentOfMentions":837,"verbatims":838},"Charging",0.2999,[839,840,841],"They charge good","Awesome Charger","fast charging",{"topic":843,"percentOfMentions":844,"verbatims":845},"Battery Life",0.1438,[846,847,848],"Great battery","Batteries work well","A good battery\u002Fcharger combo",{"topic":850,"percentOfMentions":851,"verbatims":852},"Quality-Overall",0.08539999999999999,[853,854,855],"Nice quality","Its well made","The build quality feels solid",{"topic":857,"percentOfMentions":858,"verbatims":859},"Value For Money",0.06860000000000001,[860,861,862],"Good Value","Value for the money","Excellent value for money",{"topic":864,"percentOfMentions":865,"verbatims":866},"Advertised Vs Actual Product",0.0668,[867,868,869],"As advertised","just what i wanted","As described",{"topic":871,"percentOfMentions":872,"verbatims":873},"Ease Of Use",0.0565,[874,875,876],"Easy to use","easy to handle","easy to read",{"topic":878,"percentOfMentions":879,"verbatims":880},"Size-Overall",0.0286,[881,882,883],"the case is a good size","Fits on my belt well","They fit good",{"topic":885,"percentOfMentions":886,"verbatims":887},"Durability",0.0241,[888,889,890],"for one of the less expensive options it has a durable","durable plastic materials are used","It's been 6 months and no issues",{"topic":892,"percentOfMentions":893,"verbatims":894},"Portability",0.023799999999999998,[895,896,897],"and it's easy to carry around","Perfect for Travel","It's perfect for traveling with",{"topic":899,"percentOfMentions":900,"verbatims":901},"Efficiency",0.0166,[902,903,904],"works great","It works well","Works wonderfully",[906,912,918,925,931,938,945,951,956,962],{"topic":836,"percentOfMentions":907,"verbatims":908},0.3129,[909,910,911],"Useless charger","Super slow charger","Does not charge",{"topic":843,"percentOfMentions":913,"verbatims":914},0.0998,[915,916,917],"Batteries are too short","My batteries were only lasting half a day","2,500mah which is really low for this size battery",{"topic":919,"percentOfMentions":920,"verbatims":921},"Compatibility-Overall",0.057,[922,923,924],"AA and AAA don't fit","Not compatible with the original manufacturercharger","Is not compatible with most major headlamps",{"topic":878,"percentOfMentions":926,"verbatims":927},0.047599999999999996,[928,929,930],"one slot could not take the larger one","they will not fit","To short",{"topic":932,"percentOfMentions":933,"verbatims":934},"Functionality-Overall",0.0406,[935,936,937],"Did not work","then it suddenly stopped working","no longer works",{"topic":939,"percentOfMentions":940,"verbatims":941},"Instructions\u002FUser Manual\u002FTroubleshooting",0.030699999999999998,[942,943,944],"No manual or instructions included","No direction on how to use the charger I was looking for an electric plug to charge the batteries so I have no ideal what to do","It does not come with instructions as some have posted-but there is a correct way and I found and copied instructions from a fellow poster",{"topic":864,"percentOfMentions":946,"verbatims":947},0.0296,[948,949,950],"Fake ad","the flaws are based on my assumption of the product","Misleading description",{"topic":885,"percentOfMentions":952,"verbatims":953},0.0274,[954,955,936],"Happened several to times","Lasted two months, and no longer works",{"topic":957,"percentOfMentions":958,"verbatims":959},"Heating",0.0263,[960,961],"Also when I used these the battery compartment got really hot","Overheating",{"topic":850,"percentOfMentions":963,"verbatims":964},0.0219,[965,966,967],"Looks cheap","Absolutely crap","Despite my very low expectations these are even more worthless than I could have imagined",[969,971,972,975,977,979,981,983,986,988],{"reason":836,"pct":970},0.3703,{"reason":878,"pct":200},{"reason":973,"pct":974},"Battery Inclusion",0.1293,{"reason":864,"pct":976},0.0558,{"reason":932,"pct":978},0.0519,{"reason":919,"pct":980},0.0501,{"reason":843,"pct":982},0.0374,{"reason":984,"pct":985},"Defective Material\u002FParts",0.0273,{"reason":857,"pct":987},0.0158,{"reason":989,"pct":987},"Brightness\u002FShine\u002FGlow",[991,995,1000,1005,1010,1014,1018,1023,1028,1033],{"term":170,"volume":992,"growthQoq":993,"conversionRate":994},165671,-0.0229,0.0079,{"term":996,"volume":997,"growthQoq":998,"conversionRate":999},"21700 rechargeable battery",45543,0.3423,0.0093,{"term":1001,"volume":1002,"growthQoq":1003,"conversionRate":1004},"21700",22278,0.0395,0.004,{"term":1006,"volume":1007,"growthQoq":1008,"conversionRate":1009},"21700 battery 5000mah",10904,0.3154,0.0054,{"term":1011,"volume":1012,"growthQoq":1013,"conversionRate":808},"21700 batteries",6446,0.3083,{"term":1015,"volume":1016,"growthQoq":1017,"conversionRate":235},"olight 21700 battery 5000mah 3.6v",3750,0.394,{"term":1019,"volume":1020,"growthQoq":1021,"conversionRate":1022},"21700 battery samsung",5219,0.1238,0.0015,{"term":1024,"volume":1025,"growthQoq":1026,"conversionRate":1027},"20700 battery",4604,0.1398,0.0008,{"term":1029,"volume":1030,"growthQoq":1031,"conversionRate":1032},"21700 flat top battery",4229,-0.1358,0.0062,{"term":1034,"volume":1035,"growthQoq":1036,"conversionRate":1037},"olight 21700 battery",4855,-0.162,0.0114,[1039,1045,1051,1056,1061,1066],{"title":1040,"href":1041,"score":1042,"verdict":195,"marketSize":1043,"growth90":1044},"power strip long cord","\u002Fresearch\u002Fus\u002Felectronics\u002Fpower-strip-long-cord",69,509955.2,0.5018,{"title":1046,"href":1047,"score":1048,"verdict":195,"marketSize":1049,"growth90":1050},"airpods pro charging case","\u002Fresearch\u002Fus\u002Felectronics\u002Fairpods-pro-charging-case",70,798323.97,-0.0529,{"title":1052,"href":1053,"score":1048,"verdict":195,"marketSize":1054,"growth90":1055},"starlink mini tripod","\u002Fresearch\u002Fus\u002Felectronics\u002Fstarlink-mini-tripod",478184.44,0.623,{"title":1057,"href":1058,"score":1048,"verdict":195,"marketSize":1059,"growth90":1060},"luggage tracker","\u002Fresearch\u002Fus\u002Felectronics\u002Fluggage-tracker",715834.67,0.2949,{"title":1062,"href":1063,"score":1048,"verdict":195,"marketSize":1064,"growth90":1065},"canopy fan","\u002Fresearch\u002Fus\u002Felectronics\u002Fcanopy-fan",298048.6,1.3544,{"title":1067,"href":1068,"score":1048,"verdict":195,"marketSize":1069,"growth90":1070},"spypoint battery pack","\u002Fresearch\u002Fus\u002Felectronics\u002Fspypoint-battery-pack",379019.7,0.6744]