• Sourcing Solutions
  • Services & Membership
  • Help & Community

Quick Details

  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: KeepPower
  • Model Number: P1835J
  • Type: Li-Ion
  • Nominal Voltage: 3.7V
  • Size: 18650
  • Nominal Capacity: 3500mah
  • Minimum Capacity: 3350mAh
  • Standard Charge Voltage: 4.20V
  • Standard Charge Current: 1000mA
  • Standard Charge Time: 240mins
  • Discharge Cut-off Voltage: 2.50V
  • Max. Constant Discharge Current: 8A
  • Standard Package: 2pcs per box
  • MOQ: 100pcs
  • Lead Time: Within 7 workdays
  • Carrier: DHL/UPS/Fedex/TNT from door to door

Packaging & Delivery

Packaging Details: Gift Box designed by KeepPower
Delivery Detail: within 7 workdays

P1835J KeepPower protected li-ion 3.7V 3500 mah 18650 akku 3500mah

Quick Specification

KeepPower Protected 18650 3500mAh Li-ion Battery is available now!

1.   Protected 18650 Li-ion Rechargeable Battery P1835J

2.   Minimum Capacity: 3350mAh
3.   Typical Capacity: 3500mAh
4.   Normal Voltage: 3.7V
5.   Quality Li-ion rechargeable cell made in Japan
6.   In Built Safety Circuitry
7.   Protection Circuit (Against overcharge, over discharge, over current and short-circuit.)
8.   4.2 volts max voltage and 2.5 volts cut-off voltage
9.   Over 500 charge-discharge cycles

1.  Please charge this battery with a quality li-ion battery charger before first use;
2.  Do not keep or use this battery in high temperature or humid environment;
    Operating Temperature: Charge 0℃~45℃, Discharge -10℃~60℃
    Storage Temperature: -20℃~60℃

3.  Do not use this battery if there is weeping, bulging or any other problem;
4.  Do not throw this battery into fire or water, or it may fire or explode;
5.  Do not crush, hit or impact this battery;
6.  Do not disassemble this battery;
7.  Keep out of reach of children;
8.  Battery will be hot when it works, please take it carefully after use;
9.  If this battery has not been used for a long time(>3months), please charge it before 
     using it again;
10. If the electrolyte goes into eyes, please wash eyes immediately and go for a medical
     treatment.  P1835J KeepPower protected li-ion 3.7V 3500 mah 18650 akku 3500mah

Product Photos


Packing & Shipping

1. Packing: 100 pieces per carton, every 2 batteries packed in a customized plastic case designed by KeepPower.

2. Shipping: TNT / Fedex / UPS / DHL

Our Service

1. Low MOQ: It can meet your business very well.

2. OEM Accepted: Please send us your design, we can assemble battery & battery pack according to your requirements.

3. Good Service: We treat clients as friend.

4. Good quality: 100% tested in production, mass production will only start after we get your confirmation.

5. Fast & Cheap Delivery: We have big discount from forwarder (Long Contract).

6. Use only genuine Cells.

Order Guidance

We take great pride in our work and in the wide variety of products that we offer.

We are experienced in servicing the North American market, European market and Oceanian market.

Please be aware that our production lead times depend on specific items and item quantities.

Our success has been based on our understanding of the market and marketing demands.

That's why we always ensure that every order is delivered on time.

Check below for more information on placing an order:

1. Inquiry - Professional quotation.

2. Confirm the price, lead time, payment term etc.

3. Keeppower sales send the Proforma Invoice with Keeppower seal.

4. Customer make the payment for deposit and send us Bank receipt.

5. Initial Production Stage Inform the clients that we have got the payment,

And will make the samples according to your request, send you photos of samples to get your approval. 

After approval, we inform that we will arrange the production & inform the estimated time.

6. Middle Production - send photos to show the production line which you can see your products in . 

Confirm the estimated delivery time again.

7. End Production - Mass production, you can also arrange the third party Inspection .

8. Keeppower ship the batteries and send you express track number.

9. Order can be say “finish” when you receive the goods and satisfy with them .

10. Feedback to Keeppower about Quality , Service, Market Feedback & Suggestion. And we can do better .

Online Contact

  P1835J KeepPower protected li-ion 3.7V 3500 mah 18650 akku 3500mah

Transaction History of the Supplier

Below is the information about the supplier's transactions conducted via Alibaba.com. If you require further details regarding the transaction data, please contact the supplier directly.

Transaction Overview


Transaction Details

This supplier has completedtransactions with buyers from .

Shipping Destination
Transaction Value
Transaction Date
Email to this supplier
China (Mainland)
Transaction Level:
Supplier Assessments:
1 Transactions 2,000+
The supplier’s transactions conduted via Alibaba.com in the past 6 months.
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $34,000
Learn More