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Factory Direct 21700 5000mAh 7.2V Lithium Polymer Battery Pack OEM Customizable for Power Tools and Electronics

Brand Name:	VATS Battery
Model Number:	21700-2S
MOQ:	5 pcs
Price:	$8.5~9.6
Delivery Time:	7 work days
Payment Terms:	T/T

Detail Information

Product Description

Ratings & Reviews

Detail Information

Place of Origin:

Guangdong, China

Battery Size:

21700

Weight:

152g

Max Discharge:

25A

Peak Discharge:

30A

Nominal Voltage:

7.2V

Charging Voltage:

8.4V

Cut-off Voltage:

Anode Material:

NCM

Charging Ratio:

Discharge Rate:

Electric Energy:

36 Wh

Capacity:

5Ah

Discharge Cut-off:

Cycle Life:

500 Times

Dimensions:

22*66*74mm

Operating Temperature:

-20 To 60°C

Supply Ability:

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

Highlight:

5000mAh Lithium Polymer Battery Pack

7.2V Li-ion Battery Pack

OEM Customizable 21700 Battery Pack

Product Description

Factory Direct 21700 5000mAh Samsung LG Lithium Cell 2S 7.2V Battery Pack

Custom OEM battery solutions featuring high-quality Samsung and LG 21700 lithium cells in a compact 2S configuration.

Technical Specifications

Model	21700-2S
Voltage	7.2V
Capacity	5Ah
Charge Cut-off Voltage	8.4V
Discharge Cut-off Voltage	6V
Continuous Discharge Current	10A
Discharge Peak Current	15A
Charge Current	5A
Cycle Life	500 times
Dimension	226674mm
Operation Temperature	-20 to 60°C
Communication Protocol	Common
Warranty	1 year

Quality Assurance

We implement strict quality control throughout each production procedure. Our QC department conducts three comprehensive inspections during manufacturing and provides test reports before shipment.

Safety and Reliability Guarantee

Battery selection is critical for safety. VATS BATTERY ensures complete reliability and safety standards, strengthening your product's performance and durability.

Key Features

Premium Samsung and LG 21700 lithium cells
2S configuration for optimal 7.2V output
High 5000mAh capacity for extended runtime
Robust construction with 500-cycle lifespan
Wide operating temperature range (-20°C to 60°C)
Custom OEM solutions available
Factory direct pricing and support

Related lithium polymer battery products

Battery Quality Standards

Grade A cells ensuring high and full capacity performance
Dual IC chips protection against overcharge, over-discharge, over-current, and short circuits
Injection technology for enhanced battery stability
Long life cycle design

Key Characteristics

Customizable sizes, models and capacities with thickness from 1 to 12mm
Wide capacity range from 15-10000mAh
Built-in BMS or PCB protection for overcharge and discharge safety
Lightweight design: 1/3 weight of lead acid batteries
Custom voltage, capacity, and connector options available
Wide operating temperature range: -20°C to 60°C
High power output with low self-discharge rate (less than 3% monthly)
No memory effects with highly efficient charging capability
Environmentally friendly green product
Short delivery times with comprehensive service support

Packaging & Shipping Options

We offer multiple transportation methods to suit your needs:

HK UPS Express: 4-6 days delivery
Air Cargo: 7-10 days delivery
Sea Shipment: Approximately 1 month delivery

With 10 years of experience and reliable forwarder partnerships, we ensure smooth and efficient shipping solutions.

Battery packaging and shipping process

Application Areas

Lithium polymer battery applications

Consumer electronics: digital cameras, MP3/MP4 players, PDAs, electronic dictionaries
Electric tools: saws, drills, and power tools
Household appliances: portable vacuum cleaners, electric mops
Electric toys: remote control toys, model vehicles
Electric vehicles: bicycles, cars, and mobility devices
Lighting: emergency lights, solar lights, LED lighting
Beauty and healthcare: electric beauty devices, hairdressing tools
Medical devices: portable medical equipment, hearing aids
Industrial applications: instruments, GPS systems, access control

Our Services & Strengths

ISO9001:2015 certified factory with strict quality control
Comprehensive quality assurance with 100% production inspection
Professional R&D center supporting OEM and ODM customization
Low MOQ with strong production capacity and stock availability
Authorized international certifications compliance
Excellent customer service with 12-month warranty

Customization Services

We specialize in custom battery solutions. Contact us directly to confirm your specific parameters, and we will create the perfect battery for your application.

Our professional manufacturing process and brand-quality materials ensure reliable custom battery solutions.

High standard quality management with ISO9001:2015 and TUV-UL certification
Comprehensive battery solutions provider

Custom battery manufacturing capabilities

Why Choose Us

Advantages of choosing VATS Battery

Frequently Asked Questions

Q: How about the warranty of li-ion batteries?

A: Warranty of li-ion battery can be as long as 1 year.

Q: Do you have current sample in stock?

A: We usually have stock for battery cells. For custom battery packs, we can quickly assemble samples once order is confirmed.

Q: Can I have a sample order?

A: Yes, we welcome sample orders for quality testing. Customized solutions and OEM/ODM services are available.

Q: What's the delivery time for mass production?

A: Typically 25-30 days, depending on quantity, materials, and battery cell model. Delivery times are confirmed case by case.

Q: What kind of certificates could you provide for the battery?

A: For standard 3.7V Li-Po batteries, we have multiple certifications. For custom designs, we can apply for CE, UL, UN38.3 and other certificates with applicable fees.

Q: What is your quality control process?

A: We are ISO9001 certified and strictly follow ISO procedures with 100% inspection of all batteries before delivery.

Quick Response Contact

Contact: Lynn

Mobile/Skype/Whatsapp/Wechat: +86 13476615395

Tel: 86-755-86909458

Web: www.vatsbattery.com

Contact information for VATS Battery

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

Markus K.

Germany May 15.2026

Helpful (45)

Ich war anfangs echt ein bisschen skeptisch, weil man im Netz ja viel zu hören bekommt, wenn es um Li-Polymer-Akkus geht. Aber der originale E66 Akku hier? Junge, Junge... das Teil ist ein Biest! Ich habe die Zelle jetzt seit ein paar Wochen in meinem DIY-Solar-Projekt verbaut und ausgiebig getestet. Was soll ich sagen: Die 66ah sind absolut real, kein Fake-Wert! Die Kapazität ist stabil, die Spannung von 3.7V bleibt auch unter Last super konstant und das Teil wird beim Laden kaum handwarm. Man merkt einfach sofort, dass die Verarbeitungsqualität stimmt und das PCB-Schutzboard ordentlich mitgedacht wurde. Für den Preis kriegt man hier in Deutschland aktuell kaum was Besseres. Versand war auch fix, Verpackung war bombensicher – so muss das laufen! Wer verlässliche Power sucht, kann hier echt bedenkenlos zugreifen. Von mir gibt's eine klare Kaufempfehlung und verdiente 5 Sterne. Daumen hoch!

Owen

Canada Apr 7.2026

Helpful (86)

I’ve been using this 357090 3.7V 2500mAh lipo battery for a few weeks now, and I’m really satisfied with it. It is steady-quality rechargeable lithium polymer batteries that perfectly match the rated voltage and capacity. Output efficiency is great, which helps me save a lot of working time. Build quality feels solid too, no weird noises or faults during daily operation. Shipping was fast and the packaging was protective. For small-scale battery production and copying work, this is absolutely a practical and cost-effective pick. I’d definitely recommend it to fellow business partners and will consider reordering in the future.

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!

Tags:

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High Temperature Lipo Battery

Custom Lipo Battery

products details

Factory Direct 21700 5000mAh 7.2V Lithium Polymer Battery Pack OEM Customizable for Power Tools and Electronics

5000mAh Lithium Polymer Battery Pack

7.2V Li-ion Battery Pack

OEM Customizable 21700 Battery Pack

Overall Rating

Rating Snapshot

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