{"product_id":"tenergy-tn438-16-bay-battery-charger-fast-charging-for-aa-aaa","title":"Tenergy TN438 16-Bay AA AAA Battery Charger - Charge More Fast","description":"\u003cp\u003eIn this review of the Tenergy TN438 charger the bottom line is simple: this is a practical solution for anyone who routinely needs to recharge large quantities of AA and AAA NiMH or NiCd cells. The standout reason to buy is capacity - 16 independent channels let you charge any mix of AA and AAA cells at once, eliminating the juggling and multiple small chargers that slow down busy households, hobbyists, and small teams. The TN438 balances convenience with safety features and a clear LCD readout, making it an easy recommendation for those who value capacity and straightforward operation.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e16-slot capacity:\u003c\/strong\u003e Charge up to sixteen AA or AAA cells in any combination so you can refresh large batches without pairing or swapping.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndividual LCD readouts:\u003c\/strong\u003e Large, easy-to-read screens show each cell's charging and discharging status so users can monitor progress at a glance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmart protection:\u003c\/strong\u003e Built-in safeguards against overcharging, overheating, short-circuit, over-current, and reverse polarity help protect batteries and equipment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRefresh\/cycle option:\u003c\/strong\u003e The optional refresh feature cycles cells through discharge and charge to help restore and extend battery performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn-the-go power:\u003c\/strong\u003e Ships with a worldwide 100~240V AC adapter and a car adapter so you can charge in home, office, or vehicle environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnergy saving timer:\u003c\/strong\u003e An eight-hour timer automatically shuts the unit off to prevent excessive charging and conserve power.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe TN438 is best for households with many battery-powered devices, photographers and hobbyists who go through AA or AAA cells, and small workplaces that need regular battery turnover. The ability to handle mixed sizes and individual monitoring suits anyone who prefers convenience and control over charging lots of cells at once.\u003c\/p\u003e\n\u003cp\u003eThose who should look elsewhere include users who need ultrafast charging or a compact single- or four-bay desktop charger for occasional use; the TN438 is larger and focused on volume rather than the very fastest charge times.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigh capacity that replaces multiple smaller chargers and saves time when recharging many cells.\u003c\/li\u003e\n\u003cli\u003eClear LCD panels give a detailed view of status per slot so monitoring is simple and precise.\u003c\/li\u003e\n\u003cli\u003eComprehensive safety protections provide peace of mind during extended charging sessions.\u003c\/li\u003e\n\u003cli\u003eIncludes both AC and car adapters for flexible charging locations and travel use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCharge times reported around nine hours can be slower than some smaller fast chargers, so it is not optimized for rapid turnaround.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eTenergy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eTN438 16-slot charger\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery types\u003c\/td\u003e\n\u003ctd\u003eAA and AAA NiMH \/ NiCd\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSlots\u003c\/td\u003e\n\u003ctd\u003e16 independent channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTimer\u003c\/td\u003e\n\u003ctd\u003e8 hour automatic shutoff\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded adapters\u003c\/td\u003e\n\u003ctd\u003eWorldwide 100~240V AC adapter and car adapter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Tenergy TN438 is a sensible buy for anyone who needs to routinely recharge large numbers of AA and AAA NiMH or NiCd cells. Its 16-slot capacity, clear LCD status displays, and safety protections deliver convenience and reliability for households, hobbyists, and small teams, making it solid value for those who prioritize volume and monitoring over the quickest charge times.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCan the charger handle mixed AA and AAA batteries?\u003c\/strong\u003e\u003cbr\u003eYes, the unit supports any combination of AA and AAA NiMH and NiCd cells across its 16 independent channels.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the charger automatically turn off when batteries are full?\u003c\/strong\u003e\u003cbr\u003eThe TN438 includes an 8 hour timer that helps shut the unit off to prevent overcharging and save energy.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre adapters included for travel and car use?\u003c\/strong\u003e\u003cbr\u003eYes, the charger ships with a worldwide 100~240V AC adapter and a car adapter for on-the-go charging.\u003c\/p\u003e","brand":"Tenergy","offers":[{"title":"Default Title","offer_id":46755439345883,"sku":"B00ZYTX93M","price":46.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61on8ZhPbwL._AC_SL1500.jpg?v=1747503717","url":"https:\/\/gearmusthave.com\/products\/tenergy-tn438-16-bay-battery-charger-fast-charging-for-aa-aaa","provider":"GearMustHave","version":"1.0","type":"link"}