products details

Home Products

18500B 3.7V 2200mAh Lithium Polymer Pouch Battery For LED Flashlights Solar Lights

Name: 18500B 3.7V 2200mAh Lithium Polymer Pouch Battery For LED Flashlights Solar Lights
Brand: Shenzhen Vats Power Source Limited
SKU: 18500B
Price: 5.18 USD
Availability: InStock

Brand Name:	VATS Battery
Model Number:	18500B
MOQ:	5 pcs
Price:	US$4.18-6.27
Delivery Time:	7 work days
Payment Terms:	T/T

Detail Information

Product Description

Ratings & Reviews

Detail Information

Place of Origin:

Guangdong, China

Certification:

UL1642//UL2054/CB/KC/PSE/CE/ROHS/UN38.3/MSDS

Weight:

40g

Capacity:

2200mAh

Dimensions:

18±0.2*50±0.5 Mm

Nominal Voltage:

3.7V

Max Cutoff Voltage:

4.35V

Continuous Discharge Current:

4.5A

Packaging Details:

Industrial cartons compliant with air & sea shipping standards

Supply Ability:

Ships in 7 Work Days (In-Stock) / 30 Work Days (Out-of-Stock)

Highlight:

18500B lithium polymer battery

3.7V 2200mAh pouch battery

LED flashlight lithium battery

Product Description

18500B 3.7V 2200mAh Lithium Polymer Pouch Battery For LED Flashlights Solar Lights

18500B 3.7V 2200mAh Lithium Polymer Pouch Battery for LED Flashlights & Solar Lights

Specifications

Item	Details
Model	18500B
Cell Type	Lithium polymer pouch battery
Product Size	18±0.250±0.5 mm (Thickness Length)
Nominal Voltage	3.7V
Max Cutoff Voltage	4.35V
Continuous Discharge Current	4.5A
Discharge C-rate	2C
Connector	JST / Molex, customizable on request
Cycle Life	Up to 500 charge cycles
Packaging	Industrial carton, meets air & ocean shipping standards
Custom Service	Custom size, capacity and voltage available

Product Brief

Looking for stable power for portable electronics? This grade A soft pack lithium battery delivers consistent 3.7V output for your small gadgets. It supports steady 2C discharge and long cycle life, a reliable power source for LED flashlights, solar lights and many portable smart devices.

Why Choose Us

Stable 2C Continuous Discharge

Many small electronics need steady power output during operation. This soft pack lithium battery maintains 4.5A continuous discharge. Your devices run smoothly without sudden power drops during heavy use.

Customizable Connector & Dimensions

Off-the-shelf batteries may not fit your device housing. We offer JST or Molex connectors, and custom size or capacity options. You get a battery tailored to match your product design perfectly.

Extended Cycle Lifespan

Frequent battery replacement wastes your budget and time. Our pouch lithium cell lasts up to 500 charge cycles. It holds usable capacity for long-term daily use of portable consumer devices.

Safe & Standardized Shipping Package

Cross-border shipment of batteries brings compliance worries. All units use industrial carton packaging following international air and sea transport rules. Shipments can be arranged smoothly for your bulk orders.

Direct Manufacturer Supply

Sourcing from middlemen adds extra cost and unstable quality. We are the battery manufacturer. You get consistent grade A cells and sample testing support to verify performance before large orders.

Product Application

This lithium polymer pouch battery fits a wide range of portable devices for home, travel, camping and daily commuting. It works for dash cameras, GPS navigators, smart home appliances, massagers, digital cameras and sprayers. You can also use it for dental rinsers, smart bracelets, blackhead removers, remote controls and other compact smart gadgets. Other compatible devices include camping lights, bluetooth speakers, electric toothbrushes, handheld fans, pet water fountains, electric shavers, fingerprint locks, robotic vacuums and more portable electronics. This soft pack lithium battery offers dependable portable power for nearly all low-to-medium power small smart products.

FAQ

Q1: What is a lithium polymer pouch battery used for?

A: A lithium polymer pouch battery supplies portable power for compact electronics. This 18500B soft pack lithium battery is widely applied in dash cams, solar lights, LED torches and many small consumer gadgets.

Q2: Can I test samples before bulk purchase?

A: Yes. We support sample testing. You can order small quantity samples to check size, discharge performance and compatibility with your equipment before placing full production orders.

Q3: How long is the production lead time?

A: Stock items ship in 3–7 days. Custom orders take 2 to 3 weeks after order confirmation. We will update you on production progress during manufacturing.

Q4: Is the connector of this pouch lithium cell changeable?

A: Yes. We provide JST or Molex connectors. You can tell us your connector requirement, and we assemble the matching terminal for your device.

Q5: What continuous discharge current does this 3.7V pouch battery provide?

A: It supports 4.5A continuous discharge at 2C rate. It works well for devices that need stable power output during normal working periods.

Q6: Can I customize battery size, voltage or capacity?

A: Yes. We accept custom specifications. Contact our sales team to share your dimension, voltage and capacity requirements for a quotation.

Q7: Does this battery meet international shipping rules?

A: Yes. We use industrial carton packaging that follows international air and ocean shipping standards for lithium batteries.

Q8: What cycle life can I expect from this lithium polymer battery?

A: This cell reaches up to 500 charge cycles under proper use. Capacity will slowly decrease after repeated charging and discharging.

After-sales Guarantee

We provide professional support for all pouch lithium battery orders. All grade A cells go through strict internal performance inspection before packing. We follow standard international shipping packaging for lithium battery cargo. Our sales team responds to your technical and order questions quickly. If any quality issue arises from manufacturing defects, we offer proper resolution according to our sales agreement. Sample testing service is available for buyers who need to validate the soft pack lithium battery for their product projects.

Ratings & Review

Overall Rating

5.0

Based on 50 reviews for this supplier

Rating Snapshot

The following is the distribution of all ratings

5 stars

100%

4 stars

3 stars

2 stars

1 stars

All Reviews

Mia Carter

United States Apr 7.2026

Helpful (85)

Absolutely blown away by these 152323 lithium polymer batteries! I run a tiny line of mini facial massage tools, and this 37mAh cell fits my device shell perfectly with zero modification. Super stable 3.7V output, no overheating during daily use, and the 500 charge cycles mean my customers don’t have to replace batteries constantly. I reached out to adjust the connector to Molex for my new model, their support team replied within hours and locked in custom specs for my bulk order. They’re the actual factory, no middleman markup—saved me so much cost compared to local US battery suppliers. Stock units shipped in 5 days, packaging was heavy-duty cartons that cleared US customs without any hold-ups. Already reordered twice, 10/10 recommend for compact portable gadgets!

Mike

United States Mar 9.2026

Helpful (105)

I’m really impressed with this customized 7.4V 16000mAh 18650 battery pack! It fits all my power tools and small electronics perfectly, exactly as I hoped. The large capacity is a total game-changer — I can work for hours on end without constantly recharging. Charging works smoothly, and the power output stays stable the whole time. No sudden power cuts or overheating issues at all. Build quality feels solid and durable, clearly well-made. I also love that it’s customizable to match different devices. Shipping was fast and the item arrived well-packaged. For this price, you simply can’t beat the performance and capacity. Highly recommend it to anyone needing a long-lasting, reliable battery pack for tools or electronics. Will definitely buy again!

Mark

United States Jan 7.2026

Helpful (120)

Really happy with this 14.8V 2000mAh 18650 battery pack! It fits my power tools perfectly and was easy to install right out of the box. Charging is fast and it holds power really well during daily use. The built-in PCB protection gives me extra peace of mind for safe operation. The output power is steady, no sudden drops while working. I’ve used it for hours straight on my drills and wrenches, and the performance stays consistent. For the price, the quality totally beats my expectations. Shipping was quick too. If you need a reliable replacement or spare battery for power tools, this one is absolutely worth buying. Great value overall!

Tags:

Lithium Polymer Battery

Lithium Polymer Battery Pack

High Discharge Lipo Battery

Ultra Thin Lipo Battery

Round Lipo Battery

Curved Lipo Battery

Li Ion Battery Pack

LiFePO4 Battery Pack

High Temperature Lipo Battery

Custom Lipo Battery

Lithium Polymer Battery

Lithium Polymer Battery Pack

High Discharge Lipo Battery

Ultra Thin Lipo Battery

Round Lipo Battery

Curved Lipo Battery

Li Ion Battery Pack

LiFePO4 Battery Pack

High Temperature Lipo Battery

Custom Lipo Battery

products details

18500B 3.7V 2200mAh Lithium Polymer Pouch Battery For LED Flashlights Solar Lights

18500B lithium polymer battery

3.7V 2200mAh pouch battery

LED flashlight lithium battery

Overall Rating

Rating Snapshot

All Reviews

3.7 V 1200mah Lithium Ion Battery Cell

Li Ion 18650 1200mah 3.7 V

18650 Lithium Ion Battery Pack

Samsung LG 21700 Rechargeable Battery Cell 5000mAh 7.2V 2S Battery Pack

NCR18650GA 18650 3.7V 3450mAh 10A High Drain Rechargeable Lithium Ion Battery Cell