A3 (22) Printing Commercial Tolerance {| 5-}Date Revision Signed [Checked _ | BATTERY | CHARGER Engraving | | (34) 8+! Engraving RATING LABEL AC_INLET LED TERMINAL LOWER CASE UPPER CASE mete] ufo pepe $[]rofw] ala ftem or Code No. Material & Size at. Process Remark Scate Designed Orawn Traced Checked lol YoshidajYoshida 2? Jul OI 37 ut OF Lire wmi ks DE -844Rx Name External appearance 2844- AOSIA Matsushita Electric industrial Co.Ltd 3rd Angle System Unit : mm07, Sep. 2001 1/6 Lithium Ion Battery Charger Specifications Checked Drawn hare 1 Yoshida. Approved ran! k. 1. Product Name and Model Number 1-1 Product Name | 1-2 Model Number 2.Scope 3. Destinations and safety standards 4, Appearance, mass, etc. 5-1 Appearance 5-2 Mass 5-3 Indications 5. Applicable batteries Lithium Ion Battery Charger DE-844RA This product is a battery charger for Lithium-lon battery pack. USA/Canada : UL1310 (C - UL application) CSA C22.2 No.223 Europe : ENGO065 ~ (CB certification) EN550141 EN500142 Japan DENTORI Refer an attached drawing External Appearance. Approximately 75g Refer an attached drawing Capacity { Manufacturer 900mAh Type | Model No. Cell Voltage CGA-7/102* 1 cell 3.7V Matsushita Li-ion Battery has following terminals. 1. Positive Terminal 2. Negative Terminal 3. T Terminal (Thermistor TH05-3H103F is connected between T terminal and Negative terminal) Mark Date Revision Drawn | Apryd | Mark | Date Revision Drawn | Aprvd A A Matsushita Battery Industrial Co., Ltd. Z844-S093A2/6 6. Electrical Characteristics 6-1 Input voltage 6-2 Input Wattage t 6-3 Battery Detection 6-4 Charging current 6-5 Battery temperature (Unspecified characteristics are at 1O0V AC input and Ta=25+5T ) 90 264V 50 -60Hz Input (100V-10% ~ 240V+10%) Frequency Input wattage shall be as follows at 3.9V battery with LOOV AC input. Input Wattage 4.5 + 2W Battery connection is detected by connection o f thermistor between T terminal and Negative terminal. If positive terminal is open circuit, LED turns off at around 5 seconds after starting. Resistance Detecting Thermistor 2004+100kQ~ No Battery resistance 0~2004+100kQ Battery is connected Charging current at battery voltage 3.7V shall be as follows. | Charging current | 630 + 70mA | According to thermistor resistance, following temperature protections are done. protection Low temperature protection (No charging current) | Thermistor Rth230. 144kQ | About: -3C High temperature protection at starting (No charging current) Thermistor RthS4. 9740. 6kQ | About 45C High temperature protection during rapid charging (No charging current) Thermistor _| RthS3. 57+0. 4kQ | About 55C Returned condition after high temperature protection | Thermistor Rth2 4. 9740. 6kQ | About45C Low temperature protection 2 (Low charging current) Thermistor 30. 1t4kQ2Rth221. 2+3kQ | About 6T Charging current 160+50mA At temperature protection, following charging current flow for low voltage battery (over discharged battery) Over discharge current 80+40mA Mark Date Revision Drawn { Aprvd | Mark Date Revision Drawn | Aprvd Matsushita Battery Industrial Co., Ltd. Z844-S094A3/6 6-6 Charging control method ey 6-7 Charging timer 6-8 Recharge voltage 6-9 Charge Indication 6-10 Over discharged battery protection (Output short-circuit protection) 6-11 Charging Time (for reference) Constant voltage and constant current control method. [ Constant voltage | 4. 2Vt30mV | Fully charging detection is at following charging current. | Fully charged Current | 80+40mA | Charging timer -- 24 O0mint30% After fully charging, rapid charging re-starts when battery voltage comes down to following voltage. Recharge voltage 4. 040. 15V Red and green dual color LED shows following charging status. Rapid charging Red Fully charging Green No battery Off NG battery Off When battery voltage is lower than following voltage, charging current shall be as follows. And there shall be no abnormalities when output is short-circuited. Battery voltage VoutS3. O+0. 3V Battery charge current 80+40mA About 120 minutes 7. Temperature range Temperature range of operation : 0c ~ 40 Temperature range of storage 25CT ~ 65 Mark Date Revision Drawn | Apryd | Mark Date Revision Drawn | Aprvd Matsushita Battery Industrial Co., Ltd. Z844-SO95A