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The Bonka 4200mAh 35C 14.8V 4S rechargeable LiPo battery is engineered for FPV drones, RC cars, airplanes, helicopters, multirotors and robotics. The listing says it gives stable voltage and high current output.
It is small and light, has quick power release and a high energy density for longer flights.
The specification list gives 14.8V, 4200mAh, 35C continuous, a JST-XH balance plug, an XT60 discharge plug, dimensions of 130 x 44mm and a weight of 415g. The page showed only 1 left.
14.8V 4S: four cells.
4200mAh: extended flying periods.
35C continuous: stable, high current.
XT60 and JST-XH: common plugs.
Small and lightweight: 415g.
Quick power release.
A LiPo (lithium polymer) drone battery stores energy in cells connected in series. The S number is the cell count, and each cell has a nominal voltage of 3.7V, so a 6S pack is 22.2V. Capacity in mAh tells you how much energy the pack holds, and the C rating tells you how much current it can deliver: multiply the C rating by the capacity in amp-hours to get the continuous current.
Match the pack to your aircraft. The voltage must suit your ESCs and motors, the connector must match your power system and the pack must be able to deliver the current that the propulsion system draws at full throttle. A pack that is asked for more current than its rating will heat up and lose life.
Handle LiPo batteries with care. Charge them with a balance charger set to the correct cell count and current, never leave them charging unattended, store them at a partial charge, never use a swollen or damaged pack and transport large packs in a fire-resistant container. Large packs also weigh a lot, so lift and mount them securely.
Log how each pack behaves over time. Note the resting voltage after a flight, how warm the pack is and how much capacity the charger puts back in. A pack that heats up more than usual, sags sooner or shows one cell drifting away from the others is telling you that it is ageing, and it should be retired before it fails in the air. Label your packs so you can rotate them evenly.
Drones and multirotors
RC aircraft, cars and boats
Robotics and DIY projects
Replacing a matching pack
Field and workshop use
The specification list gives 4200mAh, 4S, 14.8V and a discharge rating of 35C. Connector: XT60 discharge plug, JST-XH balance plug.
Check that your charger, ESC and connector suit this pack before you buy, and that the dimensions and weight suit your airframe.
Capacity: 4200mAh
Cells: 4S
Voltage: 14.8V
Discharge rate: 35C
Configuration: 4S
Connector: XT60 discharge plug, JST-XH balance plug
Dimensions: 130mm x 44mm
Weight: 415g
Bonka 4200mAh 35C 14.8V 4S rechargeable LiPo battery
Pilots and builders who need a 4200mAh 4S pack for their drone or RC model.
4200mAh.
14.8V (4S).
35C.
XT60 discharge plug, JST-XH balance plug.
Yes, it is a rechargeable lithium polymer pack.
Bonka 4200mAh 35C 14.8V 4S rechargeable LiPo battery
| Brand | Bonka |
|---|---|
| Balance Plug | JST-XH |
| Capacity | 4200.000000 mAh |
| Cell Configuration | 4S |
| Dimensions | 130mm x 44mm |
| Discharge Plug | XT60 |
| Discharge Rate | 35C continuous |
| Nominal Voltage | 14.8V |
| Weight | 415.000000 g |
| Selling unit | PCS |
