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October 30, 2018

Curved Lithium Polymer Batteries from PowerStream


lithium polymer cells
lithium polymer cells
The largest off-the-shelf selection of lithium polymer cells in the world
Lithium polymer chargerChargers for lithium polymer cells for experimental and engineering work battery discharge test equipment for tiny batteries
Precision battery discharge tester for small and tiny cells
Curved li-po batteries are a specialty that we have developed with GMB Battery. We have developed custom equipment to manufacture curved cells. The maximum thickness of a curved cell is about 2 mm, though 2.5mm cells can be curved if the radius is large enough.

Most of these cells are custom made, but we do try to stock sizes that can be used for evalution and prototyping, or even for designing into your product. We also stock thin cells that can be bent by you.

Features:
1. High operating voltage (3.7V average, 4.2 volts peak)
2. Curved
3. Similar in all other ways to standard lithium polymer cells.

Note on safety boards: The PCB or "protection circuit board" is optional, and only included when requested. Some of our in-stock cells have the PCB installed. The PCB prevents the cell from being over-discharged, short circuited, or exposed to a charging voltage that is dangerous. A typical PCB data sheet is shown here.   An MSDS for lithium polymer cells is here.

The cells that have "add to cart" are in stock for sample quantities. We try to keep 5 to 500 pieces in stock of these cells. Larger quantity and unstocked items need to be ordered from the factory in China and can take 3-6 weeks to arrive.

Custom cells
Most customers need custom cells. The maximum dimensions are width 30 mm and length 80mm. For a single cell the maximum thickness is 2.3mm, but they can be stacked to form thicker cells. Custom runs involve tooling charge and minimum order quantities, which are typically 2000-3000 pieces.
The following cells are permanently
bent as stocked
  Bending radii Quantity 1-19 20-99 100-999 1000-4999 5000+
GM201021R 22mAH UN38.3 23.6mm Outside
21.2mm Inside
(see drawing below)
$15.00 each
add_to_cart.gif
$10.00 $7.64 $3.95 $2.88
GM201021R-PCB 22maH UN38.3 23.6 mm $17.00
add_to_cart.gif
$12.00 $8.14 $4.45 $3.20
GM221230R 55mAH UN38.3   $15.00
add_to_cart.gif
$10.00 $7.64 $3.95 $2.88
GM351333R 90mAH UN38.3 85mm radius $15.00 each
add_to_cart.gif
$10.00 $7.64 $3.95 $2.88
GM351333R-PCB 90mAH UN38.3 85mm radius $17.00 each
add_to_cart.gif
$12.00 $8.14 $4.45 $3.20
GM251341R 95mAH   85mm radius $15.00 each
add_to_cart.gif
$10.00 $7.64 $3.95 $3.20
GM251341R-PCB 95mAH   85mm radius $17.00
add_to_cart.gif
$12.00 $8.14 $4.45 $3.20
GM201030R 43 mAH   85mm radius $15.00 each
add_to_cart.gif
$10.00 $7.64 $3.95 $2.88
GM201030R-PCB 43mAH   85mm radius $17.00 each
add_to_cart.gif
$12.00 $8.14 $4.45 $3.20
GM451230R 110mAH UN38.3 85mm radius $15.00 each
add_to_cart.gif
$10.00 $7.64 $3.95 $2.88
GM451230R-PCB 110mAH   85mm radius $17.00 each
add_to_cart.gif
$12.00 $8.14 $4.45 $3.20
GM283048R 350mAH UN38.3 50mm radius $15.00 each
add_to_cart.gif
$10.00 $7.64 $3.95 $2.88
GM283048R-PCB 350mAH UN38.3 50mm radius $17.00 each
add_to_cart.gif
$12.00 $8.14 $4.45 $3.20
The following cells are bendable, but shipped flat. The thinner cells bend more cleanly than the thicker ones Quantity 1-19 20-99 100-999 1000-4999 5000+
PGEB021212 10mAH $15.00 each
add_to_cart.gif
$10.00 $7.64 $3.95 $2.88
PGEB021235 40 mAH $10.00 each
add_to_cart.gif
$6.20 $3.95 $3.30 $2.88
PGEB0052081 40 mAH $10.00 each
add_to_cart.gif
$6.20 $3.95 $3.30 $2.88
PGEB0054018 10 mAH $10.00 each
add_to_cart.gif
$6.20 $3.95 $3.30 $2.88
PGEB014018 25 mAH $10.00 each
add_to_cart.gif
$6.20 $3.95 $3.30 $2.88
PGEB0104348 130mAH $10.00 each
add_to_cart.gif
$6.20 $3.95 $3.30 $2.88
PGEB016144 200 mAH $10.00
add_to_cart.gif
$6.20 $3.95 $3.30 $2.88
PGEB0054338 45 mAH $10.00
Not stocked at this time
$6.20 $3.95 $3.30 $2.88
PGEB0083559 65 mAH $10.00
add_to_cart.gif
$6.20 $3.95 $3.30 $2.88
PGEB01180270 No longer available, sorry.
       

drawing showing how the battery is curved
The GM201021-R showing how it is curved.


Quantity pricing is based on one order, one shipment. Allow time for ocean freight from China for large quantities of lithium containing cells.

Caution:
(1) Do not short-circuit and do not overcharge lithium ion polymer cells.
(2) Do not over-discharge , dent, crush, or burn the lithium polymer cells.
(3) The lithium polymer battery should be charged in a safe manner, and never overcharged or overdischarged.
(4) Do not try to solder directly to lithium polymer batteries .
(5) Do not disassemble lithium polymer batteries.
(6) Do not use lithium polymer batteries outside the specified temperature range
.


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