DC 3.7V Model Table of Square Rechargeable Polymer Lithium Battery (applicable to 3.7V-5V electronic products) Please carefully compare the polarity of the connector before use,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. 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. 3.7V 220mAh 402030 3.7V 310mAh 502030 3.7V 350mAh 602030 3.7V 530mAh 503035 3.7V 550mAh 502540 3.7V 600mAh 602535 Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Customer Reviews 4.2 out of 5 stars 155 4.4 out of 5 stars 377 4.3 out of 5 stars 162 4.4 out of 5 stars 46 4.4 out of 5 stars 1,295 4.1 out of 5 stars 424 Price $11.00$11.00 $11.00$11.00 $13.00$13.00 $15.00$15.00 $13.50$13.50 $15.00$15.00 size(mm)L*W*T 30.5×20×4 30.5×20×5 30.5×20×6 35.5×30×5 40.5×25×5 35.5×25×6 size (inch)L*W*T 1.22×0.787×0.157 1.22×0.787×0.196 1.22×0.787×0.236 1.397×1.181×0.196 1.596×0.984×0.196 1.397×0.984×0.236 Maximum current 0.2A 0.3A 0.3A 0.5A 0.6A 0.6A Number of cables 2 2 3 3 2 3 3.7V 620mAh 503040 3.7V 700mAh 602248 3.7V 800mAh 603040 3.7V 850mAh 802540 3.7V 1000mAh 603048 3.7V 1100mAh 802060 Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Buying Options Customer Reviews 4.4 out of 5 stars 870 4.4 out of 5 stars 1,295 4.1 out of 5 stars 142 4.4 out of 5 stars 1,295 4.1 out of 5 stars 86 4.1 out of 5 stars 26 Price $15.00$15.00 $15.00$15.00 $15.00$15.00 $17.00$17.00 $15.00$15.00 — no data size(mm)L*W*T 40.5×30×5 48.5×22×6 40.5×30×6 40.5×25×8 48.5×30×6 60.5×20×8 size (inch)L*W*T 1.596×1.181×0.196 1.91×0.866×0.236 1.596×1.181×0.236 1.596×0.984×0.315 1.91×1.181×0.236 2.38×0.79×0.31 Maximum current 1A 1A 0.8A 1A 1A 1.1A Number of cables 2 2 2 2 2 2 3.7V 1100mAh 803040 3.7V 1100mAh 803040 3.7V 1150mAh 102540 3.7V 1150mAh 523450 3.7V 1150mAh 503450 3.7V 1200mAh 624038 Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Customer Reviews 4.4 out of 5 stars 64 4.5 out of 5 stars 80 3.9 out of 5 stars 103 4.0 out of 5 stars 677 4.0 out of 5 stars 104 4.0 out of 5 stars 327 Price $18.00$18.00 $15.00$15.00 $18.00$18.00 $16.00$16.00 $15.99$15.99 $17.00$17.00 size(mm)L*W*T 40.5×30×8 40.5×30×8 40.5×25×10 48.5×34×5.3 50.5×34×5.2 38.5×40×6.2 size (inch)L*W*T 1.596×1.181×0.315 1.596×1.181×0.315 1.594×0.984×0.393 1.91×1.338×0.208 1.988×1.338×0.204 1.515×1.575×0.244 Maximum current 1.1A 1.1A 1.1A 1.1A 1.1A 1.2A Number of cables 2 3 2 3 3 2 3.7V 1250mAh 603450 3.7V 1300mAh 103040 3.7V 1300mAh 503759 3.7V 1500mah 503759 3.7V 1600mAh 103048 3.7V 2200mAh 853558 Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Customer Reviews 4.4 out of 5 stars 177 4.2 out of 5 stars 49 4.2 out of 5 stars 100 4.2 out of 5 stars 206 4.2 out of 5 stars 108 4.3 out of 5 stars 408 Price $14.00$14.00 $15.00$15.00 $15.00$15.00 $16.00$16.00 $14.99$14.99 $16.00$16.00 size(mm)L*W*T 50.5×34×6 40.5×30×10 59.5×37×5 59.5×37×5 48.5×30×10 58.5×37×8.5 size (inch)L*W*T 1.988×1.338×0.236 1.596×1.181×0.393 2.342×1.456×0.196 2.342×1.456×0.196 1.91×1.181×0.393 2.303×1.457×0.334 Maximum current 1.3A 1.3A 1.3A 1.5A 1.6A 2A Number of cables 2 2 2 3 2 3 3.7V 2100mAh 103450 3.7V 2100mAh 103450 3.7V 2100mAh 804050 3.7V 2100mAh 654060 3.7V 2500mAh 903759 3.7V 3000mAh 103665 Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Customer Reviews 4.4 out of 5 stars 93 4.2 out of 5 stars 141 4.4 out of 5 stars 870 4.4 out of 5 stars 870 4.4 out of 5 stars 44 4.1 out of 5 stars 101 Price $16.00$16.00 $16.00$16.00 $16.00$16.00 $16.00$16.00 $17.00$17.00 $18.00$18.00 size(mm)L*W*T 50.5×34×10 50.5×34×10 50.5×40×8 60.5×40×6.5 59.5×37×9 65.5×36×10 size (inch)L*W*T 1.988×1.338×0.393 1.988×1.338×0.393 1.988×1.574×0.315 2.381×1.574×0.256 2.342×1.456×0.354 2.578×1.417×0.393 Maximum current 2A 2A 2A 2A 2.5A 3A Number of cables 2 3 2 2 2 2 3.7V 3000mAh 974058 3.7V 4200mAh 606090 3.7V 5000mAh 955565 3.7V 5000mAh 755590 3.7V 8200mAh 7565121 3.7V 10500mAh 1060110 Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Customer Reviews 4.4 out of 5 stars 41 4.3 out of 5 stars 58 4.2 out of 5 stars 113 4.4 out of 5 stars 54 4.2 out of 5 stars 27 4.4 out of 5 stars 44 Price $18.00$18.00 $18.00$18.00 $20.00$20.00 $20.00$20.00 $23.00$23.00 $26.00$26.00 size(mm)L*W*T 58.5×40×9.7 90.5×60×6 66×55×9.5 91×55×7.5 121.5×65×7.5 110.5×60×10 size (inch)L*W*T 2.3×1.574×0.382 3.563×2.362×0.236 2.598×2.165×0.374 3.583×2.165×0.295 4.771×0.559×0.295 4.35×2.362×0.393 Maximum current 3A 4A 5A 5A 5A 5A Number of cables 2 2 2 2 2 2