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Custom 18650 7.4V Li-Ion Battery with Overcharge Protection for Industrial Use Custom 18650 7.4V Li-Ion Battery with Overcharge Protection for Industrial Use
Custom 18650 7.4V Li-Ion Battery with Overcharge Protection for Industrial Use Custom 18650 7.4V Li-Ion Battery with Overcharge Protection for Industrial Use
Custom 18650 7.4V Li-Ion Battery with Overcharge Protection for Industrial Use Custom 18650 7.4V Li-Ion Battery with Overcharge Protection for Industrial Use

Custom 18650 7.4V Li-Ion Battery with Overcharge Protection for Industrial Use

US$ 10.45 ~ 13.50
Min.Order: 50
Product origin: Shenzhen, Guangdong, China
Category: Electrical Equipment & Supplies
Product Name: Electrical Equipment & Supplies
Availability:In Stock
Product Review : 37 Reviews
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  • Model Number : INR 18650 7.4V 7800mAh
  • Battery Type : Lithium-Ion (Li-Ion)
  • Configuration : 2S3P (6 cells)
  • Nominal Voltage : 7.4V
  • Capacity : 7800mAh (min)
  • Dimensions : 68mm(H) × 56.5mm(D)
  • Weight : 286g
  • Charge Current : 5A max
  • Discharge Current : 5A continuous
  • Overcharge Protection : 8.6V
  • Cell Type : 18650 cylindrical
  • Protection Circuit : Built-in PCB
  • Wire Gauge : 20AWG
  • Applications : RC toys, robotics, bike lights, cameras
  • Certifications : CE, RoHS compliant

Basically, you're looking at a 7.4V pack put together from six 18650 cells in a 2S3P arrangement, so it's pushing out a minimum of 7800mAh and we've found that's enough for most RC toys or portable bike lights without needing to swap halfway through a session.

It’s got a built-in PCB that kicks in at 8.6V for overcharge and cuts off at 5.5V for overdischarge — and that pretty much keeps the cells from puffing or dropping dead if you leave it on the charger too long (usually not a problem, but some guys run these drones harder than they should).

18650 lithium ion battery pack

The whole thing measures 68mm tall by about 56.5mm across and weighs 286g, so it's light enough to Velcro onto a camera rig without messing up your balance, and we wire it with 20AWG leads that you can solder right into your robot chassis or light controller.

7.4V battery pack

Continuous draw is rated at 5A, and you don't want to push it past that for extended use — it's relaible for steady loads but not suited for high-surge motor controllers or anything that spikes above 8A or so, just so you know.

lithium battery pack

We stock these in batches that comply with CE and RoHS, and what it really means for you is that batch paperwork is clean for industiral or hobbyist builds, no lead or cadmium issues if you're shiping overseas (check your local regs though, we usually have the COAs right here).

When you order, let us know your exact lead length or if you need a specific connector tab — we cut and tin teh 20AWG wire to your spec, and the MOQ for a custom length is about 50 units, give or take.

Frequently Asked Questions

Is the 7800mAh capacity the absolute maximum, or is there some margin?

7800mAh is the minimum capacity you’ll get from this pack—actual capacity is usually a bit higher. So you can count on at least 7800mAh per charge.

What’s the lead time for a custom order with these specs?

For a standard 2S3P build like this, lead time is typically 2-3 weeks after order confirmation. Larger quantities might add a few days.

Do you provide CE or RoHS certificates with the shipment?

Yes, we include CE and RoHS compliance certificates with every order. Just let us know if you need them in a specific format.

Can the discharge current be bumped above 5A for short bursts?

The continuous discharge is rated at 5A, but brief surges up to 7-8A are okay as long as the average stays under 5A. Going higher regularly could trigger the protection circuit.

How should I store these batteries long-term to avoid degradation?

Store them at around 40-60% charge in a cool, dry place—ideally between 10°C and 25°C. Avoid full charge or full discharge for storage.

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