The 18650 Li-ion Rechargeable Battery (3.7V, 2500mAh) is a high-output cell ideal for powering DIY electronics, robotics, IoT prototypes, flashlights, and portable power projects. It delivers stable energy, good runtime, and is widely used in Ghana for STEM kits and maker builds. Key Benefits 2500mAh (2.5Ah) capacity for longer runtime 3.7V nominal Li-ion output (charges up to 4.2V when full) Works with standard 18650 holders, cases, and battery packs Suitable for single-cell builds or multi-cell packs (with the correct BMS) Typical Uses DIY power banks & portable backup packs (with power bank/BMS module) Robotics projects (motors drivers) IoT builds (ESP32/Arduino with regulator) High-power LED/flashlight projects Charging & Compatibility Use only a Li-ion charger such as a TP4056 module (for 1 cell) or a smart 18650 charger.For 5V projects, use a boost converter (3.7V → 5V). For 3.3V projects, use a regulator or bulk converter (3.7V → 3.3V). Safety Note (Important) Do not short-circuit, puncture, overheat, or overcharge. For battery packs (2S/3S/4S), always use a matching BMS. Package Includes 1 × 18650 Li-ion Battery (3.7V, 2500mAh) ✅ FAQ Q1: Where can I buy 18650 battery 3.7V 2500mAh in Ghana (Kumasi)? A: You can buy this 18650 Li-ion rechargeable battery (3.7V, 2500mAh) from DIYGH in Kumasi, Ghana, with delivery options available nationwide. Q2: Is this 18650 lithium ion cell 3.7V or 4.2V? A: It is 3.7V nominal. Like most 18650 Li-ion cells, it charges up to about 4.2V when fully charged. Q3: Can I use this 18650 rechargeable battery for a power bank in Ghana? A: Yes. This is a common power bank battery option, but you must use a proper power bank module/BMS for safe charging and protection. Q4: Is this 18650 2500mAh battery good for robotics and IoT projects (Arduino/ESP32)? A: Yes. It works well for robotics, STEM kits, and IoT builds when used with the correct regulator/boost converter for 5V or 3.3V requirements. Q5: Can I build a 2S/3S battery pack with 18650 cells in Ghana? A: Yes, but use matched 18650 cells and the correct BMS (2S/3S/4S) for balancing, protection, and safe pack performance.
