$21 DC 3.7V 530mAh 503035 Rechargeable Lithium...

Updated August 7, 2026

Lot number	323
Auction	Mad Bids - Overstock, Electronics, Reverse Logistics 89
Date	August 9, 2026 at 5:00 PM EDT
Auction house	Mad Bids
Location	Vaughan, ON

Polymer Replacement Battery for DIY 3.7-5V Electronic Products with Built-in 2-Wire Battery Replacement. Brand: HXJNLDC Condition: New In Packaging?: Yes Assembly Required?: No Damaged?: No Functional?: Yes Missing Parts?: No Model: 503035 Star Rating: 0.0 Title: $21 DC 3.7V 530mAh 503035 Rechargeable Lithium Polymer Replacement Battery for DIY 3.7-5V Electronic Products with Built-in 2-Wire Battery Replacement This battery is applicable to electronic products with DIY 3.7-5V less than 1.96Wh 530mAh. Not suitable for power tools and model aircraft Please compare the connector specifications and polarity according to the display diagram before purchasing, the red wire is the positive "+" and the black wire is the negative "-" Do not reverse-charge or reverse-connect. 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. 503035 rechargeable lithium ion polymer battery, nominal voltage 3.7V, full charge voltage 4.2V, capacity 530mAh, power 1.96Wh, size 5 30 36mm(0.197 1.181 1.417inch (T*W*L), Weight:11g(0.39oz) Maximum current:0.5A It can prevent overcharge, overdischarge, overcurrent, and short circuit. It's consists of large-capacity A+ lithium battery, Japanese Seiko IC overcharge and overcurrent short circuit protection board, 3302-26 high temperature resistant silicone cable, and genuine JST Pitch1.25mm 2-wire connector module.

$21 DC 3.7V 530mAh 503035 Rechargeable Lithium...

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