{"product_id":"varicore-vcr2-smart-battery-charger-test-capacity-for-3-7v-li-ion-18650-21700-26650-18350-3-2v-lifepo4-32700-1-2v-ni-mh-aa-aaa","title":"VariCore VCR2 Smart Battery Charger and Capacity Tester (10009001)","description":"\u003cp\u003efor 3.7V Li-ion 18650 21700 26650 18350 3.2V LiFePO4 32700 1.2V Ni-MH AA AAA\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuick charge :\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eData Transmission :\u003c\/strong\u003e HDMI-Compatible\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntelligent Charge :\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplay screen :\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage range :\u003c\/strong\u003e USB (5-20V DC)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType :\u003c\/strong\u003e Device with USB Charger\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertification :\u003c\/strong\u003e RoHs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertification :\u003c\/strong\u003e CE\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertification :\u003c\/strong\u003e RoHS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Current :\u003c\/strong\u003e 2A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax. Output Power :\u003c\/strong\u003e 2A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel Number :\u003c\/strong\u003e VCR2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage :\u003c\/strong\u003e 3.7 В\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"detailmodule_html\"\u003e\n\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S74a4626539b44c8ebedda98cfa717c90l.jpg?width=790\u0026amp;height=1581\u0026amp;hash=2371\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sf27949587a6542e1a74b82e483cb74cfe.jpg?width=790\u0026amp;height=1581\u0026amp;hash=2371\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sa1c2ba12779d47fab806a7f95e91bf5dS.jpg?width=790\u0026amp;height=1370\u0026amp;hash=2160\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S6a376ab6ac5a4f1f9b54a4b4318f816cD.jpg?width=790\u0026amp;height=1091\u0026amp;hash=1881\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S79bad46d7da54304b74e74b4b00ee63d5.jpg?width=790\u0026amp;height=1065\u0026amp;hash=1855\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S332ab1677448485a97efcc7c0d9a1d02p.jpg?width=790\u0026amp;height=453\u0026amp;hash=1243\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S293400e08b8144e18ec9d727ba4a51aew.jpg?width=790\u0026amp;height=1468\u0026amp;hash=2258\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S0dcaca21aa73451fb0db8321281afff7k.jpg?width=790\u0026amp;height=933\u0026amp;hash=1723\"\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cstrong\u003ePrecautions for Rechargeable Batteries\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003e(Applicable to lithium-ion, lithium iron phosphate, lithium titanate and Ni-MH batteries)\u003c\/div\u003e\n\u003cdiv\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cstrong\u003e1. Charging Specifications\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003eUse a matched dedicated charger\u003c\/div\u003e\n\u003cdiv\u003eDo not use mismatched chargers for batteries of different voltages. Chargers for 3.7V lithium-ion, 3.2V LiFePO4, 2.45V LTO and 1.2V Ni-MH batteries are not interchangeable. Large-format power cells must be charged with corresponding balancing chargers; do not charge large square cells directly with ordinary 18650 chargers.\u003c\/div\u003e\n\u003cdiv\u003eAvoid overcharging\u003c\/div\u003e\n\u003cdiv\u003eStop charging immediately once the cut-off voltage is reached: 3.65V for LiFePO4, 4.2V for ternary lithium, 2.8V for LTO, and 1.4V for Ni-MH. Long-term overcharging may cause swelling, electrolyte leakage, overheating or fire hazards.\u003c\/div\u003e\n\u003cdiv\u003eSuitable charging temperature\u003c\/div\u003e\n\u003cdiv\u003eThe optimal charging temperature ranges from 0℃ to 40℃. Fast high-current charging is prohibited below 0℃. Do not charge batteries under direct sunlight or in sealed cartons at high temperatures.\u003c\/div\u003e\n\u003cdiv\u003eMatched charging current\u003c\/div\u003e\n\u003cdiv\u003eFor regular cells, slow charging at 0.2C~0.5C is recommended. High-rate power cells support short-term fast charging at 1C, but sustained full-power fast charging shall be avoided to reduce cycle degradation.\u003c\/div\u003e\n\u003cdiv\u003ePrevent reverse connection during charging\u003c\/div\u003e\n\u003cdiv\u003eReversing the positive and negative terminals will instantly damage the cell and burn out the charger. For large cells with threaded terminals, double-check the +\/- marks before wiring.\u003c\/div\u003e\n\u003cdiv\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cstrong\u003e2. Discharge \u0026amp; Usage Prohibitions\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003eAvoid over-discharging\u003c\/div\u003e\n\u003cdiv\u003eCut off power immediately when voltage drops below the discharge cut-off value: 2.0V for LiFePO4, 2.7V for ternary lithium, 1.5V for LTO, and 1.0V for Ni-MH. Severe over-discharge leads to permanent damage and renders the cell unchargeable.\u003c\/div\u003e\n\u003cdiv\u003ePrevent short circuits\u003c\/div\u003e\n\u003cdiv\u003eDirect contact between positive and negative metal terminals creates an extreme current surge, causing rapid overheating or explosion. Isolate conductive metal objects during storage and transportation.\u003c\/div\u003e\n\u003cdiv\u003eDo not exceed rated discharge current\u003c\/div\u003e\n\u003cdiv\u003eStrictly follow the nominal discharge rate marked on cells (5C\/10C\/20C). Continuous discharge beyond the rated rate results in overheating and swelling.\u003c\/div\u003e\n\u003cdiv\u003eMatched loads\u003c\/div\u003e\n\u003cdiv\u003eEnsure the battery voltage and capacity match the equipment. Do not forcibly connect cells of different specifications in series or parallel.\u003c\/div\u003e\n\u003cdiv\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cstrong\u003e3. Notes for Series \u0026amp; Parallel Battery Packs (RV\/Energy Storage Batteries)\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003eCells connected in series must be of the same model, capacity, internal resistance and age; install balancing boards to balance voltage differences.\u003c\/div\u003e\n\u003cdiv\u003eFit all multi-string battery packs with a BMS protection board to prevent overcharging and over-discharging of single cells.\u003c\/div\u003e\n\u003cdiv\u003eTest voltage differences regularly. If the voltage gap exceeds 0.05V, perform balancing immediately; otherwise, the service life of the whole pack will degrade rapidly.\u003c\/div\u003e\n\u003cdiv\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cstrong\u003e4. Storage Requirements\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003eStore at partial charge for long-term idle periods\u003c\/div\u003e\n\u003cdiv\u003eLithium-ion and LiFePO4 batteries should be stored at 40%~60% state of charge; Ni-MH batteries can be stored fully charged. Recharge once every 3 months to avoid prolonged depletion.\u003c\/div\u003e\n\u003cdiv\u003eSuitable storage environment\u003c\/div\u003e\n\u003cdiv\u003eStore in cool and dry conditions at 10℃~25℃, away from heat sources, direct sunlight and rain. Do not seal batteries in plastic bags for long-term airtight storage.\u003c\/div\u003e\n\u003cdiv\u003eSeparate storage by category\u003c\/div\u003e\n\u003cdiv\u003eStore new and old batteries, as well as different battery models separately. Wrap cells with exposed metal terminals individually to avoid accidental short circuits between cells.\u003c\/div\u003e\n\u003cdiv\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cstrong\u003e5. Safety Protection \u0026amp; Damaged Battery Handling\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003eDo not disassemble, puncture or squeeze cells\u003c\/div\u003e\n\u003cdiv\u003eDiscontinue use immediately if the cell shell is cracked, leaking or swollen; do not attempt to charge damaged cells.\u003c\/div\u003e\n\u003cdiv\u003eKeep away from flammable and explosive materials\u003c\/div\u003e\n\u003cdiv\u003eDo not charge or use batteries near bedding, textiles or gasoline. Ventilate RV solar energy storage batteries properly.\u003c\/div\u003e\n\u003cdiv\u003eDo not charge water-damaged batteries\u003c\/div\u003e\n\u003cdiv\u003eFully dry cells that have come into contact with water. Discard them directly if abnormal performance persists after drying.\u003c\/div\u003e\n\u003cdiv\u003eEmergency handling for abnormalities\u003c\/div\u003e\n\u003cdiv\u003eIf batteries overheat, emit strange odors or swell during charging: cut off power at once, move the battery to an open outdoor area and let it cool down. Dispose of it as hazardous waste instead of ordinary household garbage.\u003c\/div\u003e\n\u003cdiv\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cstrong\u003e6. Additional Reminders for Different Battery Types\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003e18650 cylindrical lithium batteries: Distinguish between flat-top\/button-top cells and protected\/unprotected cells. Models designed for flashlights and power banks cannot sustain high-current discharge.\u003c\/div\u003e\n\u003cdiv\u003eLiFePO4 lithium iron phosphate: Operating temperature down to -20℃; capacity decreases at low temperatures. Ideal for energy storage and RV power systems.\u003c\/div\u003e\n\u003cdiv\u003eLTO lithium titanate: Ultra-low temperature resistance down to -40℃ with over 10,000 charge cycles, but low nominal voltage; never charge above the 2.8V cut-off voltage.\u003c\/div\u003e\n\u003cdiv\u003eNi-MH AA\/AAA batteries: No memory effect; no need to fully drain power before recharging. Avoid high-current fast charging which causes swelling.\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Nemoah","offers":[{"title":"Default Title","offer_id":48364063850737,"sku":"10009001","price":585.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1030\/0431\/files\/S22638f50d4674f0d87086e0c2004324ea.webp?v=1782814127","url":"https:\/\/electromannsa.co.za\/zh\/products\/varicore-vcr2-smart-battery-charger-test-capacity-for-3-7v-li-ion-18650-21700-26650-18350-3-2v-lifepo4-32700-1-2v-ni-mh-aa-aaa","provider":"Electromann SA","version":"1.0","type":"link"}