LiitoKala Lii-40A 21700 Battery – 4000mAh 40A High Drain, Flat Top, Unprotected...
$38.99
$59.65
LiitoKala Lii-40A 21700 4000mAh Flat Top Battery – High Drain, Vape-Compatible, Unprotected Cell for High-Power DevicesLooking for a powerful 21700 battery that fits your vape, high-lumen flashlight, or DIY project? The LiitoKala Lii-40A is a flat-top, unprotected 21700 Li-ion battery with 40A high-drain output, built for serious performance.LiitoKala is one of the most reliable battery brands in the power industry. Well-known among flashlight enthusiasts, it’s trusted for real capacity, long life, and strong, stable output—perfect for power-hungry devices.Because this battery is unprotected and has a flat top, it fits most vape pens and mods, especially those that reject longer protected cells. It’s also ideal for high-drain devices like flashlights over 2000 lumens, power tools, e-bikes, or any product that demands quick, heavy discharge.⚠️ Caution: This battery has no internal protection circuit. Always use a smart charger and do not leave it charging overnight.✅ Key Features 4000mAh Real Capacity – Provides long runtime for flashlights and vapes. Flat Top, Unprotected Cell – Fits devices that require short-length batteries like many vape mods.⚡ 40A Max Discharge Rate – Supports high-drain devices like LED torches, tools, e-scooters, and solar setups.️ Trusted by Enthusiasts – Flashlight lovers worldwide rate LiitoKala for reliability and performance. 1000 Charge Cycles – Built to last through years of use. Eco Budget Friendly – Rechargeable and long-lasting to reduce waste and save money. Best Uses For This Battery Vape pens & mods (requires unprotected, flat-top battery) High-lumen LED flashlights (Convoy, Sofirn, Wuben, etc.) Electric scooters and bikes Solar power storage or solar WiFi cameras DIY electronics or backup battery packs Power tools and home gadgets SpecificationsFeatureDetailsBattery Type21700 Li-ionModelLiitoKala Lii-40ACapacity4000mAhVoltage3.7V (Charge to 4.2V)Discharge Cut-off2.5VMax Discharge Rate40ATop TypeFlat Top, UnprotectedSize21mm (D) x 70mm (L)Weight~65gInternal Resistance<30 milliohmsRecharge Cycles1000 Charging Temp0°C ~ 45°CDischarging Temp-20°C ~ 60°C⚠️ Safety Tips❌ Do NOT leave charging overnight – this is an unprotected battery.✅ Use a smart Li-ion charger with auto cut-off. Always monitor the battery while charging. Store in a cool, dry place away from flammable items. Frequently Asked QuestionsQ: Will this battery fit in my vape?A: Yes. The flat-top, unprotected design fits most vape mods that don’t accept longer, protected cells.Q: Is this a high-drain battery?A: Yes, with a 40A continuous discharge rate, it’s suitable for high-drain gear like flashlights over 2000 lumens, power tools, and other demanding devices.Q: Is it really 4000mAh?A: Yes, LiitoKala is respected for accurate labeling—unlike many fake brands that claim 9800mAh but don’t perform.Q: What’s the difference between protected and unprotected?A: This battery has no internal safety chip. Protected batteries have a built-in circuit to stop overcharging or discharging. This one gives more power, but needs careful use.Q: Can I use this in flashlights like Convoy M21 or Sofirn SP35?A: Absolutely. It fits most 21700 flashlights, especially those that need flat-top cells.Frequently Asked Questions 1 Where can I buy the LiitoKala Lii-40A 21700 Battery – 4000mAh 40A High Drain, Flat Top, Unprotected for Vapes, Flashlights, Power Tools in Nairobi, Kenya? You can buy it from Lumen Vault and enjoy fast and reliable delivery in Nairobi and across Kenya.Contact us via phone or WhatsApp 0791654198 for quick assistance or to place your order easily. 2 Do you deliver to Mombasa, Kisumu, Eldoret, Nakuru and other towns? Yes – we offer fast nationwide delivery across Kenya within 24Hrs.Nairobi & surrounding towns usually get same-day or next-day delivery.
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