All-Battery.com: Li-Polymer 3.7v Cells (19 - 1000mah)
Total Power Solutions. Available: 3.7V Cells (19mah - 1000mah) ... Li-ion/Polymer/LiFe Li-ion Battery Li-Polymer Cells & Packs LiFePO4 Battery Battery PCB/PCM/BMS AA, AAA, C, D, 9V Rechargeables...