Vapcell M35A 18650 3500mAh Blue Rechargeable Battery
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Returns & Refunds Policy
We want you to be completely satisfied with your purchase
Our Commitment to You
At Vapin Loud, customer satisfaction is our priority. We've created a straightforward returns policy to make the process as smooth as possible. Please read the following terms carefully to understand your rights and our procedures.
14-Day Return Policy
You have 14 days after receiving your item to request a return. This cooling-off period is in accordance with UK Consumer Rights Act 2015.
Eligibility Requirements:
- Item must be in the same condition as received (unworn, unused, and undamaged)
- Must be in its original packaging with all tags and labels intact
- You'll need your receipt or proof of purchase
- Item must not fall under our non-returnable categories (see below)
How to Start a Return
Step 1: Contact Us
Email us at sales@vapinloud.co.uk with your order number and reason for return.
Step 2: Await Approval
We'll review your request and provide a return shipping label and instructions if approved.
Step 3: Ship Your Return
Package the item securely and ship using the provided label. Items returned without prior approval will not be accepted.
⚠️ Important Notice
Items returned without prior approval will not be accepted. Always contact us first at sales@vapinloud.co.uk before sending any items back.
Damages & Issues
Please inspect your order upon arrival. If you notice any defects, damage, or receive the wrong item:
- Notify us immediately (within 1 working day of delivery)
- Provide photos of the damage or incorrect item
- We'll evaluate and resolve the issue within 7 working days
- Replacement or refund will be provided at no additional cost to you
Note: Claims for damaged or incorrect items must be made within 1 working day of delivery. Claims made after this period may not be accepted.
Non-Returnable Items
Due to hygiene, safety, and regulatory requirements, the following items cannot be returned:
- E-Liquids and vape juice (opened or unopened)
- Vape tanks, pods, and coils (once opened or used)
- Drip tips and mouthpieces (hygiene items)
- Batteries (once packaging is opened)
- Custom or personalised products
- Sale items and clearance products
- Gift cards and vouchers
- Disposable vapes (once packaging is opened)
Exchanges
The quickest way to get the item you want:
- Return your current item following the policy above
- Once approved and received, place a new order for the desired item
- We'll process your refund within 5-7 working days of receiving the return
Note: We process returns as refunds rather than direct exchanges. This ensures you receive the correct item quickly without waiting for the return to be processed first.
Ordered the Wrong Item?
If you've selected the incorrect product by mistake:
- You are responsible for return shipping costs
- The item must be returned in original, unused condition
- We'll process the exchange once the item is received and inspected
- Refunds will be issued to your original payment method
Refund Processing
Timeline & Process:
- Once we receive your return, we'll inspect it within 2-3 working days
- If approved, refunds are processed within 5-7 working days
- Refunds are issued to your original payment method
- Depending on your bank, it may take an additional 3-5 business days for the refund to appear in your account
- You'll receive an email confirmation once your refund has been processed
Partial Refunds: In some cases, partial refunds may be granted for items returned in less than perfect condition, with visible signs of use, or missing original packaging.
Faulty Products
If you receive a faulty or defective product:
- Contact us immediately with details and photos of the fault
- We'll arrange a free return and provide a prepaid shipping label
- You'll receive a full refund or replacement at no cost
- Manufacturer warranties apply to eligible products
Your Consumer Rights
Under the UK Consumer Rights Act 2015, you have the right to:
- Receive goods that are as described, fit for purpose, and of satisfactory quality
- A repair or replacement if goods are faulty
- A full or partial refund if a repair or replacement is not possible
- Return faulty digital content and receive compensation
This policy does not affect your statutory rights as a consumer.
Questions About Returns?
Our customer service team is here to help with any questions or concerns about returns, refunds, or exchanges.
📧 Email: sales@vapinloud.co.uk
📍 Address: VAPIN LOUD LIMITED
7 Tudor Parade, Well Hall Road
London SE9 6SX, United Kingdom
Last Updated: March 2026
Vapin Loud reserves the right to update this returns policy at any time. Changes will be posted on this page.
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PRODUCT DETAILS
Vapcell M35A 18650 3500mAh 20A Battery
18650 Li-ion · 3500mAh capacity · 20A continuous discharge · 3.7V nominal · Blue wrap · Rechargeable · Compatible with most 18650 vape mods.
The Vapcell M35A is a high-capacity, high-drain 18650 Li-ion rechargeable battery delivering 3500mAh capacity with a 20A continuous discharge rating — a strong combination that suits regulated mods and sub-ohm vaping at higher wattages. Compatible with the vast majority of vape kits that require external 18650 batteries, the M35A offers all-day vaping performance in a standard flat-top 18650 format. Browse our full Vape Batteries & Chargers range for all available cells and chargers.
Key Specifications
🔋 3500mAh Capacity
High capacity 18650 cell — 3500mAh provides excellent battery life for all-day vaping in regulated mods, reducing how often you need to swap or recharge cells
⚡ 20A Continuous Discharge
20A CDR — higher discharge rating than many 3500mAh cells, making the M35A suitable for regulated mods at higher wattages and more demanding sub-ohm builds
🔌 3.7V Nominal Voltage
3.7V nominal voltage — standard 18650 voltage profile compatible with all regulated 18650 vape mods and dual-battery devices
🔧 Li-ion Rechargeable
Rechargeable Li-ion cell — charge via a dedicated external charger or the mod's built-in USB charging circuit. Replace every 2 years or when capacity noticeably degrades
📌 Standard 18650 Format · Blue Wrap
Standard 18650 dimensions compatible with the vast majority of 18650 vape mods. Distinctive blue PVC wrap for easy identification
📱 Wide Mod Compatibility
Compatible with most vape kits that require external 18650 batteries — single and dual battery regulated mods, box mods, and tube mods
More 18650 Batteries
Vapcell's 3000mAh 15A cell — slightly lower capacity and CDR, ideal for moderate wattage regulated mods
High-drain 18650 cell from Molicel — a popular choice for high-performance vaping applications
High-capacity 18650 cell at 3800mAh — ideal for customers prioritising maximum battery life
3800mAh 18650 high power cell from Fogstar Energy
4000mAh 18650 high capacity cell — maximum capacity option in the Fogstar range
Browse all 18650 cells and chargers at Vapin Loud
Technical Specifications
| Brand | Vapcell |
| Model | M35A |
| Battery Size | 18650 |
| Chemistry | Li-ion (rechargeable) |
| Nominal Voltage | 3.7V |
| Capacity | 3500mAh |
| Continuous Discharge Current (CDR) | 20A |
| Wrap Colour | Blue |
| Weight | 100g |
| Ideal For | Regulated box mods, sub-ohm devices, single and dual 18650 battery mods |
Educational Guide: 18650 Batteries & Battery Safety
What Is mAh and Why Does It Matter?
mAh stands for milliampere hour — it is the unit used to measure a battery's capacity, or how much charge it can store. A higher mAh rating generally means longer battery life between charges. The Vapcell M35A's 3500mAh capacity is on the higher end for 18650 cells, making it a strong choice for customers who vape frequently and want to go longer between charges.
What Is CDR and Why Does the M35A's 20A Rating Matter?
CDR (Continuous Discharge Rating) is the maximum current a cell can safely deliver continuously. At 20A, the M35A has a higher CDR than many high-capacity 18650 cells — most 3500mAh cells are rated at 10–15A. This makes the M35A a versatile cell that suits both moderate and higher-wattage regulated mods without compromising safety margins. Never use a cell beyond its CDR rating.
How Does the M35A Compare to the Vapcell K30?
The Vapcell K30 offers 3000mAh at 15A CDR — a solid mid-range cell for moderate wattage use. The M35A steps up to 3500mAh and 20A CDR, making it the better choice for customers who want more capacity and a higher discharge headroom. For even higher capacity options, see the ODBXT 3800mAh and Fogstar Energy 4000.
Why Stock Multiple 18650 Cell Options?
Different customers have different needs — some prioritise maximum capacity for all-day battery life, others need a higher CDR for demanding builds, and some simply want the best value cell for their regulated mod. Browse the full Vape Batteries & Chargers range for all available options.
Frequently Asked Questions
What is the capacity of the Vapcell M35A?
The Vapcell M35A has a capacity of 3500mAh — on the higher end for 18650 cells, providing excellent all-day battery life in regulated mods.
What is the continuous discharge rating?
The Vapcell M35A has a continuous discharge rating (CDR) of 20A — higher than many 3500mAh cells, making it suitable for regulated mods at higher wattages.
What vape mods is the M35A compatible with?
The M35A is compatible with most vape kits that require external 18650 batteries — including single and dual battery regulated box mods, tube mods, and sub-ohm devices.
How do I charge the M35A?
Charge via a dedicated external Li-ion battery charger or via the mod's built-in USB charging circuit. Always use a charger rated for Li-ion cells. Never leave charging batteries unattended.
How long will the M35A last before it needs replacing?
Li-ion cells have a finite charge cycle life. Replace the battery every 2 years or when you notice a significant drop in capacity — whichever comes first. Never use a battery with a damaged or torn PVC wrap.
Where can I buy the Vapcell M35A?
Order online at vapinloud.co.uk with fast UK delivery, or pick it up in person at any of our five stores — Eltham, Plumstead, Welling, Crayford, or Hoo.
Battery Safety Tips
- Always use a battery charger that is rated for Li-ion cells
- Use a battery case to transport batteries safely — never carry loose in a pocket or bag
- Never leave a battery on charge unattended
- Keep batteries away from extreme heat, direct sunlight, and moisture
- Do not completely discharge Li-ion batteries — recharge before they reach 0%
- Never use a battery with a broken, torn, or damaged PVC wrap — rewrap or replace immediately
- Replace batteries every 2 years or when capacity noticeably degrades — whichever comes first
- Do not short circuit, crush, puncture, or disassemble batteries
- Only use in regulated devices with appropriate protection circuits
⚠️ Important Safety Warning
18650 rechargeable Li-ion batteries can be dangerous if used improperly. Always use in regulated devices with appropriate protection circuits. Never use in mechanical or unregulated mods without thorough knowledge of battery safety. Do not short circuit, overcharge, over-discharge, crush, puncture, or expose to extreme heat. Never use a battery with a damaged wrap.
🛒 Available now at Vapin Loud — shop online at vapinloud.co.uk or visit us in-store at our Eltham, Plumstead, Welling, Crayford or Hoo locations. Need help? Contact our team.
📦 Stock Availability Notice
Please contact our store or visit us in person to check availability before ordering. Our team is happy to help — email us at sales@vapinloud.co.uk.
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Established since 2015 | Five locations across London & Kent | Fast UK delivery
