DC 3.7V 3000mAh 103665 Rechargeable Lithium Polymer Battery, Suitable for DIY 3.7-5V Electronic Products with Built-in 2-Wire Battery Replacement and LED Lights

Price: AED70.00
(as of Mar 04, 2026 09:44:08 UTC – Details)

Product description

DC 3.7V Model Table of Square Rechargeable Polymer Lithium Battery (applicable to 3.7V-5V electronic products)

Please note that connector specifications and polarity are based on the product display image.,the red wire is the positive “+” and the black wire is the negative “-“The yellow (white) lead is a ‘thermistor’，Do not reverse-charge or reverse-connectreverse.

3-wire batteries retain red and black wires, which can replace 2-wire batteries.

Some products’ original batteries may lack plugs, have incompatible plugs, or exhibit mismatched polarity. No worries—you can simply cut the wires and use the included heat-shrink tubing to connect the wires of the same color from the old plug.

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AED 62.00AED62.00 AED 101.00AED101.00

size(mm)L*W*T
31×20×5 41×25×5 41×30×5 49×34×5.3 61×40×6.5 112×60×10

size (inch)L*W*T
1.22×0.787×0.196 1.596×0.984×0.196 1.596×1.181×0.196 1.91×1.338×0.208 2.381×1.574×0.256 4.35×2.362×0.393

Maximum current
0.3A 0.6A 0.6A 1A 2A 5A

Number of cables
2 2 2 3 2 2

This battery is suitable for DIY electronic products with 3.7-5V and less than 11.1Wh 3000mAh built-in 2-wire battery replacement.（★ Not applicable to high-power electric tools and model aircraft）
Please note that the specifications and polarity of the connector are based on the product display image,★the red wire is the positive “+” and the black wire is the negative “-“，Do not reverse-charge or reverse-connectreverse. ★The primary battery of some products has no plug or mismatched plug or mismatched polarity. It doesn’t matter, you can cut and solder the plug directly or use our heat shrinkable insulating sleeve to connect the same color wire.
103665 rechargeable lithium ion polymer battery, nominal voltage 3.7V, full charge voltage 4.2V, capacity 3000mAh, power 11.1Wh, ★size 66×36×10mm(2.6×1.417×0.393inch）(T*W*L), Weight:47.4g(1.676oz)，Maximum current:3A。 It can prevent overcharge, overdischarge, overcurrent, and short circuit.
It‘s consists of of large-capacity A+ lithium battery, Japanese Seiko IC overcharge and overcurrent short circuit protection board, 3302-24 high temperature resistant silicone cable, and genuine JST Pitch 2.0mm ★2 wire connector module.
If there are any quality issues within a year, ★please feel free to contact us via email for replacement.