{"product_id":"sony-spp-a945-cordless-phone-battery-ni-cd-3-aa-3-6v-600mah-ultra","title":"Sony SPP-A945 Cordless Phone Battery Ni-CD 3 AA 3.6V 600mAh - Ultra","description":"\u003cp\u003eIn this review the reviewer looks at the Sony SPP-A945 replacement cordless phone battery, a Ni-CD 3 AA pack rated at 3.6 volt and 600 mAh. The bottom line: this pack is aimed at owners of legacy cordless phones that need a like-for-like replacement for V-Tech VSB 80-4134-00 or Radio Shack 23-271 batteries, and it delivers dependable runtime with a high-capacity cell arrangement. Our review found it well suited to simple cordless handsets where compatibility and predictable performance matter more than cutting-edge chemistry.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eExact replacement compatibility:\u003c\/strong\u003e Built to match the form and voltage of V-Tech VSB 80-4134-00 and Radio Shack 23-271 so installation is straightforward and no modifications are required.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eNi-CD chemistry:\u003c\/strong\u003e Uses nickel-cadmium cells that tolerate frequent charge cycles and deliver steady power to older cordless bases and handsets.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e3.6 volt, 600 mAh capacity:\u003c\/strong\u003e The 600 mAh rating provides a practical balance of run time and size for compact handsets designed for three AA cells in a plastic housing.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eUltra Hi-Capacity build:\u003c\/strong\u003e Marketed as an ultra hi-capacity option, it aims to restore handset talk and standby time to levels similar to the original battery.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eQuality cells and warranty:\u003c\/strong\u003e Assembled with high quality Japanese cells and backed by a three year warranty for added peace of mind.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eSimple drop-in replacement:\u003c\/strong\u003e The plastic housing and terminal layout mirror OEM design so the swap is quick and clean for DIY replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis battery is best for owners of older cordless phones that explicitly list V-Tech VSB 80-4134-00 or Radio Shack 23-271 as compatible replacements, and for anyone who prefers the proven durability of Ni-CD chemistry. It suits households and small businesses that rely on basic cordless handsets and need a reliable, no-frills replacement that restores original performance.\u003c\/p\u003e\n\u003cp\u003eUsers who should look elsewhere include owners of newer handsets that require Ni-MH or lithium-based packs, and anyone seeking the highest energy density per cell for extended runtimes beyond what a 600 mAh Ni-CD delivers. Also, if environmental concerns rule out Ni-CD, a modern chemistry alternative may be preferable.\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\u003eDirect compatibility with V-Tech VSB 80-4134-00 and Radio Shack 23-271 makes installation simple and reliable.\u003c\/li\u003e\n \u003cli\u003eNi-CD cells provide stable performance through many charge cycles, supporting frequent daily use.\u003c\/li\u003e\n \u003cli\u003eAssembled with high quality Japanese cells and supported by a three year warranty for confidence in longevity.\u003c\/li\u003e\n \u003cli\u003eCompact 3 AA plastic housing fits the original battery compartment without fuss.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eNi-CD chemistry offers lower energy density than newer Ni-MH or lithium options, so runtimes are modest compared with modern packs.\u003c\/li\u003e\n \u003cli\u003eIntended only for specific legacy cordless models, so it is not a universal solution for all cordless phones.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n\u003ctd\u003eChemistry\u003c\/td\u003e\n\u003ctd\u003eNi-CD\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eConfiguration\u003c\/td\u003e\n\u003ctd\u003e3 AA in plastic housing\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e3.6 volt\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eCapacity\u003c\/td\u003e\n\u003ctd\u003e600 mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eCompatible models\u003c\/td\u003e\n\u003ctd\u003eReplacement for V-Tech VSB 80-4134-00, Radio Shack 23-271\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eCells\u003c\/td\u003e\n\u003ctd\u003eHigh quality Japanese cells\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e3 year warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Sony SPP-A945 Ni-CD 3 AA replacement is a sensible, value-oriented choice for anyone maintaining legacy cordless phones that require the V-Tech or Radio Shack battery form factor. It restores expected runtime with reliable Ni-CD performance, uses quality Japanese cells, and the three year warranty makes it a low-risk refresh. For users of compatible handsets who want an uncomplicated drop-in solution, this is a practical purchase.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWill this battery fit my cordless phone?\u003c\/strong\u003e\u003cbr\u003eIt fits phones that list V-Tech VSB 80-4134-00 or Radio Shack 23-271 as compatible replacements; check your handset battery compartment for the same 3 AA pack layout.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the chemistry Ni-CD safe for frequent charging?\u003c\/strong\u003e\u003cbr\u003eYes, Ni-CD is known for tolerating frequent charge cycles and performs reliably in daily-use cordless handsets.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it include a warranty?\u003c\/strong\u003e\u003cbr\u003eYes, the battery is supplied with a three year warranty backed by the manufacturer.\u003c\/p\u003e","brand":"ULTRALAST","offers":[{"title":"Default Title","offer_id":48194048327899,"sku":"B00H883ZKE","price":34.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/41NICG2zPaL._AC.jpg?v=1770260541","url":"https:\/\/gearmusthave.com\/products\/sony-spp-a945-cordless-phone-battery-ni-cd-3-aa-3-6v-600mah-ultra","provider":"GearMustHave","version":"1.0","type":"link"}