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Digital Universal Battery Tester

Digital Universal Battery Tester

$19.99
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Color: White
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const TAG = "spz-custom-product-automatic"; class SpzCustomProductAutomatic extends SPZ.BaseElement { constructor(element) { super(element); this.variant_id = '6383319a-c966-471d-98ac-f38e819d1f36'; this.isRTL = SPZ.win.document.dir === 'rtl'; this.isAddingToCart_ = false; // 加购中状态 } static deferredMount() { return false; } buildCallback() { this.action_ = SPZServices.actionServiceForDoc(this.element); this.templates_ = SPZServices.templatesForDoc(this.element); this.xhr_ = SPZServices.xhrFor(this.win); this.setupAction_(); this.viewport_ = this.getViewport(); } mountCallback() { this.init(); // 监听事件 this.bindEvent_(); } async init() { this.handleFitTheme(); const data = await this.getDiscountList(); this.renderApiData_(data); } async getDiscountList() { const productId = 'e6d0ec1d-5453-40c9-8a19-cf1a5b995a3e'; const variantId = this.variant_id; const productType = 'default'; const reqBody = { product_id: productId, variant_id: variantId, discount_method: "DM_AUTOMATIC", customer: { customer_id: window.C_SETTINGS.customer.customer_id, email: window.C_SETTINGS.customer.customer_email }, product_type: productType } const url = `/api/storefront/promotion/display_setting/text/list`; const data = await this.xhr_.fetchJson(url, { method: "post", body: reqBody }).then(res => { return res; }).catch(err => { this.setContainerDisabled(false); }) return data; } async renderDiscountList() { this.setContainerDisabled(true); const data = await this.getDiscountList(); this.setContainerDisabled(false); // 重新渲染 抖动问题处理 this.renderApiData_(data); } clearDom() { const children = this.element.querySelector('*:not(template)'); children && SPZCore.Dom.removeElement(children); } async renderApiData_(data) { const parentDiv = document.querySelector('.automatic_discount_container'); const newTplDom = await this.getRenderTemplate(data); if (parentDiv) { parentDiv.innerHTML = ''; parentDiv.appendChild(newTplDom); } else { console.log('automatic_discount_container is null'); } } doRender_(data) { const renderData = data || {}; return this.templates_ .findAndRenderTemplate(this.element, renderData) .then((el) => { this.clearDom(); this.element.appendChild(el); }); } async getRenderTemplate(data) { const renderData = data || {}; return this.templates_ .findAndRenderTemplate(this.element, { ...renderData, isRTL: this.isRTL }) .then((el) => { this.clearDom(); return el; }); } setContainerDisabled(isDisable) { const automaticDiscountEl = document.querySelector('.automatic_discount_container_outer'); if(isDisable) { automaticDiscountEl.setAttribute('disabled', ''); } else { automaticDiscountEl.removeAttribute('disabled'); } } // 绑定事件 bindEvent_() { window.addEventListener('click', (e) => { let containerNodes = document.querySelectorAll(".automatic-container .panel"); let bool; Array.from(containerNodes).forEach((node) => { if(node.contains(e.target)){ bool = true; } }) // 是否popover面板点击范围 if (bool) { return; } if(e.target.classList.contains('drowdown-icon') || e.target.parentNode.classList.contains('drowdown-icon')){ return; } const nodes = document.querySelectorAll('.automatic-container'); Array.from(nodes).forEach((node) => { node.classList.remove('open-dropdown'); }) // 兼容主题 this.toggleProductSticky(true); }) // 监听变体变化 document.addEventListener('dj.variantChange', async(event) => { // 重新渲染 const variant = event.detail.selected; if (variant.product_id == 'e6d0ec1d-5453-40c9-8a19-cf1a5b995a3e' && variant.id != this.variant_id) { this.variant_id = variant.id; this.renderDiscountList(); } }); } // 兼容主题 handleFitTheme() { // top 属性影响抖动 let productInfoEl = null; if (window.SHOPLAZZA.theme.merchant_theme_name === 'Wind' || window.SHOPLAZZA.theme.merchant_theme_name === 'Flash') { productInfoEl = document.querySelector('.product-info-body .product-sticky-container'); } else if (window.SHOPLAZZA.theme.merchant_theme_name === 'Hero') { productInfoEl = document.querySelector('.product__info-wrapper .properties-content'); } if(productInfoEl){ productInfoEl.classList.add('force-top-auto'); } } // 兼容 wind/flash /hero 主题 (sticky属性影响 popover 层级展示, 会被其他元素覆盖) toggleProductSticky(isSticky) { let productInfoEl = null; if (window.SHOPLAZZA.theme.merchant_theme_name === 'Wind' || window.SHOPLAZZA.theme.merchant_theme_name === 'Flash') { productInfoEl = document.querySelector('.product-info-body .product-sticky-container'); } else if (window.SHOPLAZZA.theme.merchant_theme_name === 'Hero') { productInfoEl = document.querySelector('.product__info-wrapper .properties-content'); } if(productInfoEl){ if(isSticky) { // 还原该主题原有的sticky属性值 productInfoEl.classList.remove('force-position-static'); return; } productInfoEl.classList.toggle('force-position-static'); } } setupAction_() { this.registerAction('handleDropdown', (invocation) => { const discount_id = invocation.args.discount_id; const nodes = document.querySelectorAll('.automatic-container'); Array.from(nodes).forEach((node) => { if(node.getAttribute('id') != `automatic-${discount_id}`) { node.classList.remove('open-dropdown'); } }) const $discount_item = document.querySelector(`#automatic-${discount_id}`); $discount_item && $discount_item.classList.toggle('open-dropdown'); // 兼容主题 this.toggleProductSticky(); }); // 加购事件 this.registerAction('handleAddToCart', (invocation) => { // 阻止事件冒泡 const event = invocation.event; if (event) { event.stopPropagation(); event.preventDefault(); } // 如果正在加购中，直接返回 if (this.isAddingToCart_) { return; } const quantity = invocation.args.quantity || 1; this.addToCart(quantity); }); } // 加购方法 async addToCart(quantity) { // 设置加购中状态 this.isAddingToCart_ = true; const productId = 'e6d0ec1d-5453-40c9-8a19-cf1a5b995a3e'; const variantId = this.variant_id; const url = '/api/cart'; const reqBody = { product_id: productId, variant_id: variantId, quantity: quantity }; try { const data = await this.xhr_.fetchJson(url, { method: 'POST', body: reqBody }); // 触发加购成功提示 this.triggerAddToCartToast_(); return data; } catch (error) { error.then(err=>{ this.showToast_(err?.message || err?.errors?.[0] || 'Unknown error'); }) } finally { // 无论成功失败，都重置加购状态 this.isAddingToCart_ = false; } } showToast_(message) { const toastEl = document.querySelector("#apps-match-drawer-add_to_cart_toast"); if (toastEl) { SPZ.whenApiDefined(toastEl).then((apis) => { apis.showToast(message); }); } } // 触发加购成功提示 triggerAddToCartToast_() { // 如果主题有自己的加购提示，则不显示 const themeAddToCartToastEl = document.querySelector('#add-cart-event-proxy'); if (themeAddToCartToastEl) return; // 显示应用的加购成功提示 this.showToast_("Added successfully"); } triggerEvent_(name, data) { const event = SPZUtils.Event.create(this.win, `${ TAG }.${ name }`, data || {}); this.action_.trigger(this.element, name, event); } isLayoutSupported(layout) { return layout == SPZCore.Layout.CONTAINER; } } SPZ.defineElement(TAG, SpzCustomProductAutomatic);
class SpzCustomDiscountBundle extends SPZ.BaseElement { constructor(element) { super(element); } isLayoutSupported(layout) { return layout == SPZCore.Layout.LOGIC; } mountCallback() {} unmountCallback() {} setupAction_() { this.registerAction('showAddToCartToast', () => { const themeAddToCartToastEl = document.querySelector('#add-cart-event-proxy') if(themeAddToCartToastEl) return const toastEl = document.querySelector('#apps-match-drawer-add_to_cart_toast') SPZ.whenApiDefined(toastEl).then((apis) => { apis.showToast("Added successfully"); }); }); } buildCallback() { this.setupAction_(); }; } SPZ.defineElement('spz-custom-discount-toast', SpzCustomDiscountBundle);

Description

Digital Universal Battery Tester – LCD Battery Checker

One Tester for Multiple Battery Types

This digital universal battery tester is designed to check a wide range of household batteries. It supports common standard and rechargeable batteries including AA, AAA, C, D, N, 9V (6F22), as well as various button cell batteries, making it a practical tool for everyday battery management.

 

Clear LCD Display for Instant Results

Featuring a clear LCD bar graph display, this battery checker provides fast and easy readings. The visual indicator allows you to quickly see the remaining power level, helping you determine whether a battery is usable or needs replacement.

 

Adjustable Design with No External Power

The adjustable sliding contact accommodates different battery sizes with ease. No additional power source is required, as the tester draws power directly from the battery being tested. The multi-level visual scale ensures clear and intuitive readings.

 

Simple and User-Friendly Operation

Using the tester is straightforward: insert the battery according to the polarity markings and check the display. The easy-to-read bars help you avoid wasting time on depleted batteries or unnecessary recharging.

 

Compact, Portable, and Durable Build

Constructed from durable ABS plastic and stainless steel components, this battery tester is lightweight yet sturdy. Its compact size makes it easy to store in a drawer, toolbox, or travel kit, and it operates reliably in temperatures from 0°C to 40°C.

 

Specifications

Product Type Digital Universal Battery Tester
Compatible Batteries AA, AAA, C, D, N, 9V (6F22), Button Cells
Display Type LCD Bar Graph
Power Source Powered by Tested Battery
Operating Temperature 0°C – 40°C

 

FAQ

Q1. Does this battery tester require its own battery?
No. It operates using the power from the battery being tested.

Q2. Can it test rechargeable batteries?
Yes. It supports both rechargeable and standard household batteries.

Q3. Is it easy to use?
Yes. Simply insert the battery following the polarity indicators and read the display.

Q4. Is it easy to carry?
Yes. Its compact and lightweight design makes it convenient for storage and travel.
Free worldwide shipping

Enjoy free shipping on every order, delivered to your doorstep no matter where you are in the world.

Free returns

Shop with confidence with our hassle-free returns policy, ensuring you love what you buy.

Sustainably made

Designed with the planet in mind, all our products are committed to sustainable practices.

Secure payments

Your payment information is always protected with our advanced, encrypted checkout security.