The Best 18650 Battery 4000Mah of 2023 – Reviewed and Top Rated
After hours researching and comparing all models on the market, we find out the Best 18650 Battery 4000Mah of 2023. Check our ranking below.
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- You Will Get: 1 x 2 slots smart battery wall charger, 2 button top batteries.
- Charging Indicator: When the indicator is RED, it means charging; when it's GREEN, it means full charged; make sure you put the battery in position and it contacts with charger.
- Wide Compatibility: Battery charger tool compatible for high power devices, such as headlamp, flashlight, radio, cameras, doorbells, LED lights, solar lights, toys, small fans, RC car, headlights, etc.
- 【Model Type】: 18650 3.7 4400mAh battery With JST XH-2P/2.54 forward plug. plug size will show in our listing picture.
- 【SIZE】Size: 2.66*1.46*0.73 Inchs 【XH plug size】0.223x0.155Inchs, please don't cut the wire if the battery plug not correct, so we can full refund for u if return.
- 【KNOW BEFORE USE 1.】please contrast with the old battery and check the polarity of the battery. Red wire connection power positive " +" , Black wire connect power negative pole "-". if is a reversed, you need position of interchange wires. otherwise device will demage.
- 【POSITION OF INTERCHANGE WIRES】 --- If the polarity of the red and black wires are reversed, you need to exchange the position of the plug wires, You will need to take the wires out of the plastic plug and reverse them only. To do this, take the small blade you own, very gently pry up the two plastic tabs on the top of the plug one at a time, and gently pull the wire out of the plastic plug.( Don't yank!)
- 【KNOW BEFORE USE 2.】Please make sure your device's working current or power before purchasing, our battery is 16.28Wh 3.7V battery, Normal max Continue discharg current is 6A, max power 22.2Wh. For example use it for 24Wh Ortizen Portable Bluetooth Speaker IPX7, battery's drop voltage fast, it will stop work because of overdischarge protection when voltage below 2.5V. it shows your device work ,but battery discharge about 40 minutes .PLEASE DO NOT over its power ability . Our battery max Continue discharg current and max Instantaneous discharge current will list in below sepcification.
- YOU WILL GET: 4 BUTTON TOP BATTERIES and Universal Charger
- 【Wide Compatibility】Compatible with flashlights,headlamps, doorbells, small fans, digital cameras, children's toys, radios, speakers, Camcorders. Helps you wake up your devices quickly.
- Battery Capacity: 4000mAh, Size: 6.5x1.8x3.6cm/2.56*0.71*1.42inch, Weight: 105g, PH-2P Plug, 3.7v 18650 battery
- Versatile Compatibility: It is suitable for a variety of electronic devices, including flashlights, alarm clocks, doorbells, electric toys, remote control cars, etc., and is your ideal choice.
- High Performance: This battery can provide your device with stable and reliable power, maintain a stable voltage output, and ensure its continuous operation.
- Plug Type: PH-2P. The red wire represents the positive terminal (+), and the black wire represents the negative terminal (-). Please check that the battery voltage and positive and negative polarity are consistent with the original battery
- Storage Method: To maintain optimal battery lifespan and performance, store the battery away from high temperatures, humidity, and direct sunlight for prolonged periods.
- 【Battery Specifications】4000mAh 3.7V Rechargeable Lipo Batteries ; Battery Type : Lipo ; Wattage: 14.8Wh
- 【Battery Size】Φ0.729”*L: 5.3 inch, Comes with two wires with JST-XH2.54/2P Connector, Length: 3.52”
- 【High Performance】DIY Professional rechargeable Battery Pack with cell = 3.7 V, High continuous discharge rate, short circuit and over-current protective
- 【Application】3.7V LiPo battery - 4000mAh batteries JST-XH 2.54/2P Plug for electronics, toys, lighting, equipment, outdoor electronic products, etc (It will only fit if the voltage, dimensions, and plug match.)
- 【SAFETY ASSURANCE】：Temperature protection,Intelligent protection IC board,Stable Capability,Durable,A+ battery cell,Over charge protection,Over discharge protection,Short-circuit protection. or electronic products, etc
Last update on 2025-09-11 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API
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FAQ:
Q: What is the highest capacity 18650 battery?
A: The actual capacity cannot reach such a high level. The Ultrafire 18650 battery currently has a maximum capacity of 3,400 mah and is being developed and working to break through 3,400 mah.
Q: Where to find 18650 batteries?
A: 18650 batteries are fairly easy to find. They are by far the most used battery for vaping, and they can be bought at almost any local vape shop. On the off chance that there is no vape shop in the town, they can be found elsewhere. Many common retail stores carry 18650 batteries.
Q: What is a vaping Charger?
A: The Vape Tray Charger is a unique charging system that pairs a charger with a holding tray. You’ll never have your battery or clearomizer roll off the table again while you’re charging batteries or changing/adding liquid to your clearomizers.