{"product_id":"bt189-digital-battery-tester-lcd-display-aa-aaa-9v-1-5v-button-cell-battery-capacity-check-detector-capacitance-diagnostic-tool","title":"BT189 LCD Battery Voltage Tester","description":"\u003cp\u003eCheck a compatible household battery before deciding whether to keep using it. The BT189 displays a battery voltage reading on an LCD. It is for users testing supported cell formats rather than measuring full battery capacity.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003eRead a battery's voltage\u003c\/strong\u003e — The LCD gives a digital result.\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eCheck several household formats\u003c\/strong\u003e — AA, AAA, button-cell and nine-volt types are named.\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eUse it without a separate supply\u003c\/strong\u003e — The tester draws power from the battery under test.\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eKeep a small tester handy\u003c\/strong\u003e — The compact ABS body is easy to store with spare cells.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eA voltage check rather than a capacity measurement\u003c\/h2\u003e\u003cp\u003ePlace a supported battery at the correct contacts and read the display according to the instructions. A voltage reading is a quick reference; it does not measure remaining energy or guarantee performance under the intended load.\u003c\/p\u003e\u003cp\u003eThe approximate body size is 92.2 × 61.4 × 13.5mm and weight 31.3g. Confirm the supported chemistry and voltage before testing; the mention of a cell size does not establish suitability for every rechargeable cell in that size.\u003c\/p\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Hcbd64c31366a404db2c160fb2ab933972.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Hcf01b40fe62d4742b6336f12bfd4fd3az.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sf0a0d6453f1544fea9c4445b4e757bb9u.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S15a2ed0e670945b9a5c96256dee4492eL.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S8edf6fd820954d1185695a07b486403dJ.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S66c90ecb709a470299a72c701521d446H.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sc582119ffc3846aba14f721d2ef7d4cd2.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S3bb731e997194854ae5983b682e84debk.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S49ca240c6f0149839e0c76ab80fae884V.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S101edfd0069d4d8b90d72ceb13686985V.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sdb38a779941d431ea7b2da0bff0553d33.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S06ffee683bde4f0ebfa23bfda7fd4b61L.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sb24fba9e326c4c1cb6340b2e12574b42T.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sc95c917a522e45b8a153df12f751990aZ.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S6ba4fa2d6cba4978a5b446968efe2a38E.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sd9ca68f7634d488ca744f349c70b44e5Q.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sff4238417c30462681e1dfbd55d001710.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S89688834481f42e3a15ec698d4758b7f1.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sdeefba963f4d40008f487f58bf1ec404U.jpg\" slate-data-type=\"image\"\u003e\u003ch3\u003eTechnical details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eModel: BT189\u003c\/li\u003e\n\u003cli\u003eProduct: LCD battery voltage tester\u003c\/li\u003e\n\u003cli\u003eNamed formats: AA, AAA, button cells and 9V batteries\u003c\/li\u003e\n\u003cli\u003ePower: Battery under test; no separate supply\u003c\/li\u003e\n\u003cli\u003eMaterial: ABS\u003c\/li\u003e\n\u003cli\u003eApproximate size: 92.2 × 61.4 × 13.5mm\u003c\/li\u003e\n\u003cli\u003eApproximate weight: 31.3g\u003c\/li\u003e\n\u003cli\u003ePackage: 1 tester\u003c\/li\u003e\n\u003cli\u003eBatteries: Not included\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eKeep a voltage tester with your spare cells for a quick, format-appropriate battery check.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003ca href=\"https:\/\/spy-shop.com\/collections\/electrical-measuring-tools\"\u003eExplore more in this collection\u003c\/a\u003e\u003c\/p\u003e","brand":"Spy-shop.com","offers":[{"title":"black","offer_id":64165801951562,"sku":"1005006099666838-black","price":18.87,"currency_code":"EUR","in_stock":true},{"title":"BT189","offer_id":64165801984330,"sku":"1005006099666838-BT189","price":18.17,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0764\/5980\/2954\/files\/Sf2efde764546432f80b28ea3748419fa7.webp?v=1793401181","url":"https:\/\/spy-shop.com\/fi\/products\/bt189-digital-battery-tester-lcd-display-aa-aaa-9v-1-5v-button-cell-battery-capacity-check-detector-capacitance-diagnostic-tool","provider":"Spy-shop.com","version":"1.0","type":"link"}