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Polymer Li-Ion Battery: 3.7V 700mAh (503048-1C) 2.59Wh, 700mA rate - UN38.3 Passed -

Your Price: $6.50
In Stock

Product ID # 1253
Part Number:

Quantity Discounts

5 to 20$6.30
21 to 50$6.17
51 to 100$6.04
101 or more$5.85


Update on Jan 1, 2020
Sepecification Updated and this cell won't have IEC62133 certificate anymore.
Chemistry Polymer Li-Ion 503048 cell
Voltage 3.7V
Capacity Nominal:  700mAh (0.2C discharge)
Typical: 720mAh (0.2C discharge)
Cycle life ≥500 times
Charge Current Standard: 0.2C(140mA)/4.2V;
Maximum: 0.5C(350mA)/4.2V
Discharge Current Standard: 0.2C(140mA)/3.0V;
Maximum: 1.0C(700mA)/3.0V
Dimension(LxWxH) with tolerance ± 1 mm 48.5mm x 30.5mm x 5.0mm
Weight 11.5 grams or 0.41oz
Suggestions on designing Lithium battery packs What to consider when designing Lithium Batteries

Please download the Specification here


  • The end user must have the technical knowledge necessary to charge and discharge Li-Ion batteries before making Li-Ion Battery Packs
  • You must use a protection IC (PCB) to keep the battery and its packfrom over charging and over discharging.
  • Please read more safety warning about Li-ion battery
  • Batteryspace.com is NOT liable for any mis-use due to any other brand of PCB applied
  • California residents: Warning: Cancer and Reproductive Harm - See Prop 65 Warnings

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Product Reviews

(3 Ratings, 3 Reviews) Average Rating:
Excellent products available locally.
chris arntzen (san luis obispo, CA) 9/6/2013 11:33 AM
Excellent products available locally. Thanks!
replacement battery for my creative zen player
hendjoshsr71 (Ann Arbor, MI ) 7/2/2012 1:43 PM
I got exactly what I ordered and fast. A replacement battery for my creative zen player.
Ordered large quanties and order was completed
lynne-170 (Denver, CO ) 6/4/2012 2:49 PM
Ordered large quanties and order was completed.
What to consider when designing Lithium Batteries?
Bluetooth Technology for Lithium-ion/LiFePO4 Batteries
UN 38.3 Safety Test

We own a national standard UN38.3 testing lab. We can provide UN38.3 test service to our customer.

If you want to set up your own lab, we also provide UN38.3 & IEC62133 equipments and onsite training. Email us for the quote and lead time.
Lithium Battery Shipping Regulation
Recommendations on How to get ≤30% Rated Capacity for Shipping
Thermal Abuse Test for IEC62133
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