How to choose a LiPo battery for an RC aircraft
Cell count, capacity, C rating, connectors, battery weight and realistic flight time explained for RC aircraft buyers.
ISDT K4
Prices are intentionally not displayed on the site.
Contact RC-MODEL for current availability, technical fit, compatible accessories and a formal quote.
ISDT K4: a recreational RC product. Model details and specifications are listed below.
Specifications
| Brand | ISDT |
|---|---|
| Model | ISDT K4 |
| Manufacturer SKU | K4 |
| Model No: | K4 |
| Input voltage: | AC 100~240V / DC 10~34V |
| Output voltage: | DC 1~34V |
| Max. input current: | DC 45A |
| Max. charging power: | AC 400W / DC 600W ×2 |
| Max. Discharging power: | 30W ×2 |
| Parallel charging power/current: | 800W/35A |
| Parallel discharging power/current: | 60W/3A |
| Supported battery types and cell count: | LiFe,LiIon,LiPo 1~8S；LiHv,ULiHv 1~7S; Pb 1~14S；NiMH/Cd 1~18S |
| Charging current: | 0.2~20.0A ×2 |
| Discharging current: | 0.2~3.0A ×2 |
| Balance current: | 1.5A/Cell Max |
| Abnormal voltage alarm: | Support |
| Incorrect cell count setting alarm: | Support |
| Support Working temperature: | 0~40℃ |
| Storage temperature: | -20~60℃ |
| Dimension: | 176×183×57mm |
| Weight: | About 1230g |
Product inquiry
Availability, price and package contents are confirmed on inquiry. Specify the required model and version so radio, battery and equipment compatibility can be checked.
Relevant RC Academy guides
Learn before you buy
These guides explain the setup, safety checks and accessory choices that usually matter for this product type.
LiPo battery safety for RC aircraft
Charging, storage, discharge, swelling, safe charging bags and the mistakes that should never be made with LiPo packs.
Recommended LiPo batteries by RC aircraft type
A buying guide that helps customers choose battery cell count, capacity, C rating, connector and charger direction by model type.
How to store RC aircraft and batteries correctly
Storage habits for expensive RC equipment: aircraft support, humidity, dust, battery storage voltage, connectors and long-term readiness.
How to measure current draw with a Watt Meter
A step-by-step safety guide for measuring amps, watts and voltage sag so customers avoid overheating motors, ESCs and LiPo batteries.