{"id":1489,"date":"2026-07-22T11:39:38","date_gmt":"2026-07-22T03:39:38","guid":{"rendered":"https:\/\/www.kbtbattery.com\/?post_type=product&p=1489"},"modified":"2026-07-22T14:22:07","modified_gmt":"2026-07-22T06:22:07","slug":"3-7v-cylindrical-li-ion-rechargeable-battery-pack","status":"publish","type":"product","link":"https:\/\/www.kbtbattery.com\/zh\/product\/3-7v-cylindrical-li-ion-rechargeable-battery-pack\/","title":{"rendered":"3.7V Cylindrical Li-ion Rechargeable Battery Pack"},"content":{"rendered":"
\n
\n\n\n\n\n\n\n\n
Model<\/th>\nChemistry<\/th>\nBattery Cell<\/th>\nNominal Voltage<\/th>\nCapacity<\/th>\nBMS<\/th>\nFeature<\/th>\n<\/tr>\n<\/thead>\n
18650-2600mAh-NP<\/td>\nLi-ion<\/td>\n18650<\/td>\n3.7V<\/td>\n2600mAh<\/td>\nYes<\/td>\npositive and negative poles at the same end<\/td>\n<\/tr>\n
26650-4000mAh-NP<\/td>\nLi-ion<\/td>\n26650<\/td>\n3.7V<\/td>\n4000mAh<\/td>\nYes<\/td>\npositive and negative poles at the same end<\/td>\n<\/tr>\n
1S2P-18650-4400mAh-NP<\/td>\nLi-ion<\/td>\n18650*2pack<\/td>\n3.7V<\/td>\n4400mAh<\/td>\nYes<\/td>\npositive and negative poles at the same end<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/section>","protected":false},"excerpt":{"rendered":"
<\/div>\n\n\n\n\n\n\n
\n
\n
Lithium-ion<\/div>\n<\/div>\n<\/td>\n<\/tr>\n
\n
\n
3.7V<\/div>\n<\/div>\n<\/td>\n<\/tr>\n
\n
\n
18650<\/div>\n
26650<\/div>\n
18650*2pack<\/div>\n<\/div>\n<\/td>\n<\/tr>\n
\n
\n
2600mAh<\/div>\n
4000mAh<\/div>\n
4400mAh<\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n

KBT supplies 3.7V cylindrical lithium-ion rechargeable battery packs for equipment manufacturers, distributors, and system integrators. The reviewed series includes 18650 and 26650 standard models with capacities from 2600mAh to 4400mAh, integrated BMS protection, and positive and negative poles positioned at the same end. Buyers can order proven standard models for faster project integration or request OEM\/ODM evaluation for cell type, pack configuration, BMS, and battery terminals. Typical applications include lighting products, toys, portable instruments, and measuring or control equipment.<\/p>\n

Key Features<\/b><\/p>\n

    \n
  • 3.7V Li-ion packs in 18650 and 26650 configurations<\/li>\n
  • 2600mAh, 4000mAh, and 4400mAh standard-model options<\/li>\n
  • Integrated BMS with same-end positive and negative poles<\/li>\n
  • Customizable cell type, pack configuration, BMS, and battery terminals<\/li>\n
  • Standard-model sourcing and OEM\/ODM evaluation available<\/li>\n<\/ul>\n<\/div>","protected":false},"featured_media":1491,"template":"","meta":{"themepark_post_bcolor":"#f5f5f5","themepark_post_width":"1022px","themepark_post_img":"","themepark_post_img_po":"left","themepark_post_img_re":false,"themepark_post_img_cover":false,"themepark_post_img_fixed":false,"themepark_post_hide_title":false,"themepark_post_main_b":"","themepark_post_main_p":100,"themepark_paddingblock":false,"_geo_short_summary":"","_geo_structured_desc":"","_geo_faqs":"","_geo_key_points":"","_geo_target_audience":"","_geo_content_type":"","_geo_last_modified":"","_geo_version":0,"themepark_seo_title":"","themepark_seo_description":""},"product_brand":[],"product_cat":[36],"product_tag":[135,136,134,133,118],"class_list":["post-1489","product","type-product","status-publish","has-post-thumbnail","product_cat-single-cylindrical-lithium-ion-rechargeable-battery-pack","product_tag-18650-battery-pack","product_tag-26650-battery-pack","product_tag-3-7v-rechargeable-battery","product_tag-cylindrical-li-ion-battery-pack","product_tag-oem-battery-pack","pa_battery-cell-125","pa_battery-cell-127","pa_chemistry-lithium-ion","pa_voltage-3-7v","first","instock","shipping-taxable","product-type-simple"],"yoast_head":"\n3.7V Cylindrical Li-ion Rechargeable Battery Pack - Reliable Lithium-ion & Polymer Battery Packs Manufacturer | KBT Battery<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.kbtbattery.com\/zh\/product\/3-7v-cylindrical-li-ion-rechargeable-battery-pack\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"3.7V Cylindrical Li-ion Rechargeable Battery Pack - Reliable Lithium-ion & Polymer Battery Packs Manufacturer | KBT Battery\" \/>\n<meta property=\"og:description\" content=\"Chemistry Lithium-ion Voltage 3.7V Battery Cell 18650 26650 18650*2pack Capacity 2600mAh 4000mAh 4400mAh KBT supplies 3.7V cylindrical lithium-ion rechargeable battery packs for equipment manufacturers, distributors, and system integrators. The reviewed series includes 18650 and 26650 standard models with capacities from 2600mAh to 4400mAh, integrated BMS protection, and positive and negative poles positioned at the same end. Buyers can order proven standard models for faster project integration or request OEM\/ODM evaluation for cell type, pack configuration, BMS, and battery terminals. Typical applications include lighting products, toys, portable instruments, and measuring or control equipment. Key Features 3.7V Li-ion packs in 18650 and 26650 configurations 2600mAh, 4000mAh, and 4400mAh standard-model options Integrated BMS with same-end positive and negative poles Customizable cell type, pack configuration, BMS, and battery terminals Standard-model sourcing and OEM\/ODM evaluation available\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.kbtbattery.com\/zh\/product\/3-7v-cylindrical-li-ion-rechargeable-battery-pack\/\" \/>\n<meta property=\"og:site_name\" content=\"Reliable Lithium-ion & Polymer Battery Packs Manufacturer | KBT Battery\" \/>\n<meta property=\"article:modified_time\" content=\"2026-07-22T06:22:07+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.kbtbattery.com\/wp-content\/uploads\/2026\/07\/26650-4000mah-np-li-ion-battery.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1000\" \/>\n\t<meta property=\"og:image:height\" content=\"1000\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.kbtbattery.com\\\/product\\\/3-7v-cylindrical-li-ion-rechargeable-battery-pack\\\/\",\"url\":\"https:\\\/\\\/www.kbtbattery.com\\\/product\\\/3-7v-cylindrical-li-ion-rechargeable-battery-pack\\\/\",\"name\":\"3.7V Cylindrical Li-ion Rechargeable Battery Pack - 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