jussming WH-2S80A 7.4V 2S 18650 Lithium Battery Protection Board, Advanced Safe Charging & Discharging Control for Li-ion/Polymer Batteries (Pack of 3)

["High-Efficiency Protection for 2S Battery Packs‌ – Safeguards 7.4V lithium-ion/polymer batteries (such as 18650 cells) from overcharge, over-discharge, short circuit, and excessive current, extending battery lifespan and ensuring stable performance.","‌Easy Welding & Compact Design‌ – Clear welding points (B+, MB, B-, P+, P-) for straightforward connection; compact size (10×7×1 cm, 29g) fits seamlessly into DIY projects, drones, power tools, and portable devices.","‌Wide Compatibility‌ – Supports 2-series nickel-cobalt-manganese (NMC), lithium cobalt oxide (LCO), lithium manganese oxide (LMO) rechargeable batteries, as well as 2S lithium polymer packs for versatile applications.","‌Built-in Anti-Static & Safety Features‌ – Includes internal anti-static protection circuits and operational guidelines to prevent misuse, ensuring reliable protection even under varying load conditions.","‌Value Pack with Practical Use‌ – Includes 3 protection boards per order, ideal for replacements, bulk projects, or backups. Ideal for hobbyists, engineers, and DIY enthusiasts."]