RC28. My Memory Having RC Car. Battery Charger

On 2/08/2012 i went to my friend RC shop just to relax and talk about RC product with him. My friend suddenly give me a Old Kyosho Ni-mh battery charger for free. Is a 6V-1200mAh / 7.2V-1200mAh. 5N/6N-1200 Super Ni-Cd Battery Convertible Quick Charger parts no 2207. He keep it in the cabinet for so long and never use for quiet long time. Made in Japan, Looks funny is a in car charger and have 15 Minit timer that need to turn the knob. It can charge 2 battery in one time from Car, Supply can direct from Car Battery or Cigarette lighter socket. It can charge until 1200 mAh battery only. Try it to charge battery this charger still function. Have a switch to change to charge 6V or 7.2V

Start bloog = 03/08/2012
Last update bloog = 25/3/2020)

The Box

Kyosho Brand

LHS View

RHS View

Made In Japan

The Manual

Inside The Box

The Front View

The Back view

The Timer 15 Minit Only

The Button to change to 6V or 7.2V

The Battery Supply cable Direck to Car battery or from Cigarette lighter socket

Two Battery can be charge in one time

Below is my new Battery Charger buy for only RM120. without AC-DC Adapter. Made In China.

iMAX B6

Operating Voltage Range: DC11.0 - 18.0 Volt

AC - DC Adapter: DC 11.9 - 18.0 V/5A

Circuit Power: Max Charge Power 50W / Max Discharge Power 5W

Charge Current Range: 0.1 - 5.0A

Discharge Current Range: 0.1 - 1.0A

Current Drain For Balancing Li-po: 300mAh/cell

NiCd/NiMH Battery Cell Count: 1 - 15 cell

Li - ion/Polymer Cell Count; 1 - 6 Series

Pb Battery Voltage: 2V - 20V

Charge for 6 cells, Disharge, Can charge LiLon/Lipo/Life 1-6 cells. NiCd/NiMH 1-15 Cells. Lead acid (PB) 2-20V.

The AC-DC Adapter 12V, just for RM50. Input power 100-240VAC 1.5A 50-60Hz. Output 12V-5A

The Box

Back Of the Box

Balance Charge Port For LiPo (White Socket)

Input Power Supply Terminal

For PB Battery

For LiIo Battery

NiMH Battery

NiCd Battery

With some Connector to Charge Different Batteries

The AC Adapter 12 V

I do some modifications on this charger, add a DC 12v fan underneath, to cool down the circuit board when charging a battery. The supply i take from the supply outlet with 13v current and add a fan switch at side.

Add a fan at bottom at the ventilation fin. Cut away few fin so that more air will enter inside. The edge of the fan i cable strip. The switch glue at side.

Use a small switch, glue at side.

Then glue a rubber stand at each corner make higher, if not the fan touch the ground.

The fan wire i solder at the +/- power supply jet.

On 9/4/2020 remove and clean dust inside.

The circuit. Polish the LCD and dust.

Some of my DIY connector

To Charge more then 8 Hour, some time i use the slow charge. A AC/DC Adaptor Made in China only Rm 8 - 10. Just leave it over night the Battery will have Full Charge.

Input : AC 220V 50Hz

Output: DC 12V 250MA