Two Pack 7.4V 2S 600mAh Li Ion Rechargeable Battery With SM-4P Plug And Charger Cable For Water Bead Blasters And DE85 RC Cars JF-71A Compatible Great Replacement For Hobbyists And Sports RC Fans Seeking Quick Swap Power And Long Lasting Runtime

Two Pack 7.4V 2S 600mAh Li-ion Battery w/ SM-4P Plug
✔️ 7.4V 600mAh Li-ion, SM-4P 4-pin, 2S pack for water blasters

These rechargeable 7.4V Li-ion packs power water bead blasters and 2S RC cars that use SM-4P connectors. They’re a handy quick-swap replacement for hobbyists and RC fans seeking longer runtimes.

✅ Dimensions: 53 x 28 x 14.8 mm (2.1 x 1.1 x 0.58 in)
✅ Capacity: 600 mAh at 7.4 V
✅ Configuration: 2S Li-ion with SM-4P 4-pin connector
✅ Pack size: Two-pack
✅ Polarity: red/blue positive, white/black negative; verify device polarity

💡 What is a typical use for this battery in hobby RC and water bead toys?
This pack is handy for quick swaps in 2S Li-ion setups and water bead blasters.
- 7.4V output for 2S configurations
- SM-4P 4-pin connector compatibility
- 600mAh capacity for longer play time
- Compact dimensions fit tight compartments