ch5050a, e, u, or x

Dual Bay Simultaneous Quick Charger/Calibrator

ch5050 Specification Summary

physical dimensions:

HEIGHT: 58mm / 2.25"
LENGTH: 180mm / 7"
WIDTH: 122mm / 5"
WEIGHT: 360g / 12.7oz

mating connector:

5-pin standard battery connector

LED Status Display:

Green flashing: Charging
Green solid: Charge complete
Blue flashing: Calibrating
Blue solid: Calibration complete
Red flashing: battery fuel gauge recalibration recommended
Red solid: Error

Power Supply:

90-260VAC, 24V, 2.5A DC, 119x38x60mm, 500g /18oz
UL listed, CE Compliant

AC Cord:

CH5050A: 110V N. American 3-pin connector
CH5050E: 220V European 2-pin connector with ground recess
CH5050U: 240V UK 3-pin connector
CH5050X: No AC cable



CH5050 Instructions

Model Description

CH5050 REACH, RoHS2, CE & Customs Declarations are available to download from our Shipping Page
Standard product approvals are listed above. Additional agency testing of these products can be arranged to meet specific testing needs. However as the manufacture & design authority rests with Inspired Energy, all testing must be undertaken directly between us and the agency. Please contact us for details and pricing

What's In The Box?
 - CH5050 Desktop Quick Charger / Calibrator unit
 - Inserts for battery packs
 - 60 Watt power supply
 - AC cable (See below for international options)
 - Instruction sheet

International Variants:
CH5050A US/North American AC plug
CH5050E: European 2-pin AC Plug
CH5050U: UK 3 Pin AC Plug
CH5050X: No AC cable

The CH5050 dual bay, simultaneous smart charger/calibrator is a standalone unit which provides the capability to carry out charging and fuel gauge calibration on any two "N-Series" Inspired Energy batteries at the same time.

The CH5050 works with every smart, standard Li Ion and NiMH battery in the Inspired Energy "N-Series" portfolio irrespective of size, shape, voltage, or capacity. - So you can recharge a 12V NiMH battery while recalibrating the fuel gauge on a 3.6V Li Ion battery if you wish.

With its multi-voltage power supply, the CH5050 works throughout the world. Variants are available for use in North America (CH5050A) Europe (CH5050E), the UK (CH5050U).

Smart battery packs have a highly accurate on board fuel gauge. Under certain operational conditions this fuel gauge may drift and begin to lose accuracy. The onboard battery electronics keep a log of this drift and the CH5050 reads this value from the smart battery when the battery is inserted.

If fuel gauge recalibration is recommended by the charger (indicated by a flashing red LED), the user can press the button on the front of the CH5050 to initiate a recalibration cycle.

A special version: CH5050CAL is available which will adjust the battery state of charge to 30% for Shipping under IATA Packing Instruction 965

Operation of the CH5050CAL is as follows:
To set the battery state of charge at ≤30% for shipping:
Place the battery into the slot. The battery state of charge will be automatically adjusted (by charging or discharging). When the green LED stops flashing & remains solid, the battery is at ≤30% SoC.

To recalibrate the fuel gauge & charge to 100%:
Place the battery into the slot & press the recalibrate button. When the blue LED stops flashing & remains solid, calibration is complete & the battery will be fully charged. Note: recalibration times are long. Do not remove the battery part way through or the process will need to re-start

Recharge Times:
Different battery packs will require differing recharge times. The times given below are for a full charge from 0% to 100% state of charge. They are valid for all variants and custom hybrids of each battery model. (For example the NJ1020HP has the same recharge time as the NJ1020.
Recharge Time (hrs): One slot,  Recharge Time: (hrs) Both slots, Max. Calibration Time (hrs)
NB2037 - 3½, 3½, 25
NC2040 - 3½, 3½, 23
ND2017 - 6, 6, 35
ND2053 - 4, 4, 65 (Yes, 3 days & nights!)
ND2054 / ND2034 - 3½, 3½, 22
ND2057 / ND2037 - 3½, 3½, 33
NF2040 / NF2030 - 3½, 4½, 30
NH2054 - 3½, 6, 30
NH2057 - 7, 7, 40
Ni2020 / Ni2040 - 3½, 5½, 35
NL2020 - 3½, 5½, 35
NL2024 / NL2044 / NL2054 - 3, 5½, 29
NJ1020 / Ni1030 - 1½, 3½, 12

Due to the long time required for fuel gauge recalibration we recommend performing recalibration over a weekend or a similar extended period of non-use.

Why are the recalibration times so long?
Two factors contribute to the long recalibration times:
- The battery must be discharged through a fixed resistor. Higher voltage batteries will discharge at a faster rate than lower voltage batteries (Ohm's law) this is why the 14.4V batteries recalibrate fastest & the 3.6V batteries are the slowest.

- The charge & discharge process includes periods of rest which enable the impedance tracking firmware within the battery to do its work.

Inspired Energy manufacturers all products to order. We sell direct to clients globally in quantities from 1 to  >50,000. We accept Credit cards for small orders & samples.

If you are interested in purchasing a standard battery pack, or receiving a quotation please contact us at:
US Toll Free: 1-888-5-INSPIRE (1-888-546-7747) or USA 352 472 4855
or use the current email address shown on our contacts page.