★Compatible with Logitech MX1000 MX-1000 MX-1000 M-RAG97 Wireless Bluetooth Mouse Battery Replacement 190247-1000, 190247-B000, L-LB2, NTA2253。It can also be used in other 3.7-5V electronic products with power less than 7.77Wh (2100mAh).
★103450 rechargeable lithium ion polymer battery, nominal voltage 3.7V, full charge voltage 4.2V, capacity 2100mAh, power 7.77Wh, size 51×34×10mm(2.007 x 1.338 x 0.393inch)(L*W*T), Weight:42g(1.481oz),Maximum current:2A。 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, 3302-26 high temperature resistant silicone cable, and genuine JST Pitch1.25mm 3-pin connector module.
★The red wire is the positive electrode “+” and the black wire is the negative pole “-”。In some products, the original battery has no plug or the plug does not match. It doesn't matter. You can directly cut off the plug and weld it or use our heat shrinkable insulating sleeve to connect the wires of the same color.
★If there is any quality problem within one year, please contact us by email at any time and replace it free of charge.