The Best 3.7 Volt 4000 Mah Battery of 2022 – Reviewed and Top Rated
After hours researching and comparing all models on the market, we find out the Best 3.7 Volt 4000 Mah Battery of 2022. Check our ranking below.
2,258 Reviews Scanned
- Nominal capacity: 4000mah 4400mAh 6000mah
- Product size: 19 x 37 x 66mm Voltage: 3.7 V
- Standard weight: about 90g
- recommended charge current: 2A
- The battery pack is widely used in headlights, miner's lamp, flashlight, searchlight, loudspeaker (loudspeaker), wireless monitoring equipment, instrumentation, traffic signs, portable small appliances
- Voltage: 3.7V; Typical capacity: 4000mAh, Min capacity: 3800mAh; Material: Lithium Polymer; Connector Type: 2P PH2.0mm Pitch; Size: 90*60*6mm (WxLxH)
- Reliable Performance: No leak, high cost performance and long service life. PCM protection function: overload protection, short circuit protection, over temperature protection.
- Application: Suitable for portable DVD players, bluetooth devices wireless devices, dash cam, bark collar for dog, keyboard and mouse, wearable electronic devices, PDA and digital cameras, GPS, monitoring units, notebook computers, e-books, telematics, tracking devices, sleep management equipment, blood oxygen tracking equipment, pulse monitors, Wi-Fi enabled smart home systems.
- Storage: Keep the battery at 40-60% charge during long storage. We recommend charging the battery every 3 months after receipt, keeping the voltage at 3.7-4.0V, and storing it in a cool, dry place.
- Guarantee: Please contact us if you have any questions or concerns with the product via Amazon message. We will respond to you within 24 hours.
- ⚡ [Wide compatibility]: 4000mAh 3.7V high-capacity rechargeable battery can be used repeatedly, but it also demonstrates its power in various applications and devices. Examples Rechargeable batteries, strobes and digital cameras, mini USB fans, super strong LED headlights, mini LED flashlights, bicycle lights.
- ⚡ [Long life, wide range of applications] Built-in overcharge safety protection, can be recharged more than 1500 times. It is suitable for daily use of various electronic equipment, such as flashlight, 18651 headlight, electric toys, etc.
- ⚡ [convenient charger]: fast and safe charger
- ⚡ [Safety protection function]: Equipped with overcharge, overdischarge, overheat protection, overcurrent, short circuit, and reverse polarity protection circuits, you can charge and charge with confidence.
- ⚡ [Packing specifications]: 4000mAh battery + chargers. When not in use, put it in a case and store it properly so as not to damage it, making it convenient to carry. ★ With a 3-month warranty, you can exchange / return / refund within the warranty period, so you can use it with confidence.
- HQRP® Rechargeable Battery;
- Battery Voltage: 3.7V; Capacity: 4000 mAh; Li-Pol;
- 200 Days warranty! Battery size: 125x80x3mm;
- Compatible with: RCA 10-Inch Viking Pro RCT6303W87 RCT6303W87DK RCT6K03W13 Tablet PT3090135 3.7v 4Ah 4000mAh
- 【18650 Battery Charger】18650 Battery Charger 4 Bay Smart Universal Charger for Flashlight Headlamp Battery 3.7V Rechargeable Lithium Li ion Batteries Compatible 18650 26650 21700 Battery Charger (No Battery Only Charger). 18650 Charger is not compatible with AA or AAA batteries or NiMH batteries.
- 【USB Charger】The charger has a universal USB interface and operates at 5V, eliminating any worry about high voltage damage and disasters. You can recharge your lithium-ion batteries anytime, anywhere, even by simply plugging it into your laptop or other devices.
- 【USB Battery Charger】The USB smart battery charger has four independent charging channels, allowing for simultaneous charging of four lithium-ion batteries. The charging indicator shows the battery's charging status, with a red light indicating charging and a green light indicating a full charge.
- 【18650 Charger】Safety is a top priority, and the charger features special charge and discharge management circuits that prevent reverse, short circuit, overcharge, over-discharge, and over-current damage to the Li-ion battery. This ensures users can use the product without any safety concerns.
- 【inbox】1pcs 18650 Charger. The product comes with a 100% satisfaction guarantee. If you have any questions or issues with the 4-channel 𝟣𝟪𝟨𝟧𝟢 battery charger, please contact the seller by email for a response within 24 hours. If there are any quality issues, the seller will provide a full refund or send a new charger for replacemen.
Last update on 2022-10-07 / Affiliate links / Images from Amazon Product Advertising API
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